{"title":"Aquarium Carbon \u0026 Chemical Media","description":"\u003cp\u003eActivated carbon and chemical media pouches for polishing water. Names to browse include Hedday, Threlaco, Aquatic Life and 73 more. Product descriptions often mention filter cartridges, marina slim and ceramic rings.\u003c\/p\u003e\u003cp\u003eSee the wider \u003ca href=\"\/collections\/filter-media\"\u003eFilter Media \u0026amp; Cartridges\u003c\/a\u003e collection; nearby pages include \u003ca href=\"\/collections\/filter-sponges-pads\"\u003eFilter Sponges \u0026amp; Pads\u003c\/a\u003e, \u003ca href=\"\/collections\/filter-cartridges\"\u003eReplacement Filter Cartridges\u003c\/a\u003e and \u003ca href=\"\/collections\/biological-filter-media\"\u003eCeramic \u0026amp; Biological Media\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"cunina-aquarium-filter-cartridges-12-pack-for-top-fin-pf-s-pf10-filters-with-carbon-zeolite","title":"Cunina Aquarium Filter Cartridges, 12 Pack for Top Fin PF-S\/PF10 Filters with Carbon \u0026 Zeolite","description":"\u003cp\u003eCunina 12-pack aquarium filter cartridges are replacement media for aquarium filters, with a four-layer design for routine water filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Top Fin PF-S and PF10 Power Filters — gives compatible setups a replacement cartridge option.\u003c\/li\u003e\n\u003cli\u003eDual-sided mesh, activated carbon and zeolite — combines three types of filtration media in each cartridge.\u003c\/li\u003e\n\u003cli\u003eMedia helps remove odors, ammonia and harmful toxins — supports everyday aquarium water maintenance.\u003c\/li\u003e\n\u003cli\u003eRinse and insert without tools — makes cartridge changes straightforward.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 2–4 weeks — provides a regular schedule for upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese cartridges are made for aquarium owners who need to replace filter media as part of a regular tank-care routine. They suit compact aquarium setups at home or in an office, as well as hobbyists maintaining more than one filter. The 12-cartridge supply supports repeat changes over time.\u003c\/p\u003e\u003ch3\u003eWhich aquarium filters do these cartridges fit?\u003c\/h3\u003e\u003cp\u003eCunina cartridges are compatible with Top Fin PF-S filters and Top Fin PF10 Power Filters. They are also intended as replacement cartridges for Aqua Culture filters. Each cartridge is sized for standard filter slots and is designed to sit snugly in compatible setups.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor replacement use in compatible Top Fin PF-S filters.\u003c\/li\u003e\n\u003cli\u003eCompatible with Top Fin PF10 Power Filters.\u003c\/li\u003e\n\u003cli\u003eAlso suitable as an Aqua Culture filter cartridge replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat does the filter media do?\u003c\/h3\u003e\u003cp\u003eThe cartridge combines dual-sided mesh with activated carbon and zeolite to filter aquarium water. The activated media blend helps remove odors, ammonia and harmful toxins, making it useful for everyday filtration in compact aquariums.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour-layer media structure.\u003c\/li\u003e\n\u003cli\u003eDual-sided mesh is paired with activated carbon and zeolite.\u003c\/li\u003e\n\u003cli\u003eDesigned for routine aquarium filtration rather than a one-time use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I prepare and replace a cartridge?\u003c\/h3\u003e\u003cp\u003eRinse the cartridge under clean water, then insert it into the filter chamber; no tools are needed. The cartridges are vacuum packed, so loosen the media before use. Replacement is recommended every 2–4 weeks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRinse before inserting into the chamber.\u003c\/li\u003e\n\u003cli\u003eLoosen the cartridge after removing it from its vacuum-packed state.\u003c\/li\u003e\n\u003cli\u003eChange cartridges on the recommended 2–4-week schedule.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCunina cartridges suit aquarium owners looking for replacement media for compatible PF-S or PF10 filters, or for an Aqua Culture filter cartridge replacement. They are intended for routine filtration in compact aquarium setups, with a rinse-and-insert setup and a recommended replacement interval of 2–4 weeks.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are Cunina aquarium filter cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Cunina aquarium filter cartridges are compatible with Top Fin PF-S filters and Top Fin PF10 Power Filters, and are also intended to replace Aqua Culture filter cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a Cunina aquarium filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Cunina aquarium filter cartridges are recommended for replacement every 2–4 weeks. Rinse a cartridge under clean water and insert it into the filter chamber without tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cunina","offers":[{"title":"Default Title","offer_id":67854136869255,"sku":"B0F66V8V1G","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/cunina-aquarium-filter-cartridges-front-view.jpg?v=1793452493"},{"product_id":"cunina-xs-aquarium-filter-cartridges-12-pack-with-activated-carbon","title":"Cunina XS Aquarium Filter Cartridges, 12-Pack with Activated Carbon","description":"\u003cp\u003e\u003cstrong\u003eCunina XS replacement filter cartridges are a 12-pack of pre-assembled cartridges made to filter small aquariums, with microfiber cotton and activated carbon layers for capturing debris and reducing odors.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12 pre-assembled cartridges — keep replacement filters ready for routine aquarium maintenance.\u003c\/li\u003e\n\u003cli\u003eCompatible with Tetra Whisper XS, Tetra Whisper 4i and Aqueon QuietFlow E Internal 3 — fits several named small-filter models.\u003c\/li\u003e\n\u003cli\u003eMicrofiber cotton outer layers and an activated carbon inner layer — target solid debris, fish waste, impurities, odors and organic pollutants.\u003c\/li\u003e\n\u003cli\u003eDesigned for small tanks up to 4 gallons, with 3-gallon tanks noted as an ideal fit — suits compact aquarium setups.\u003c\/li\u003e\n\u003cli\u003eReplace every 3 to 4 weeks — gives a clear routine for maintaining water flow and clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmall aquariums need filter media that fits the filter and is straightforward to replace. Cunina cartridges are intended for compact tank filters, including setups where limited space makes the cartridge’s size and model compatibility important. Their layered construction combines mechanical filtration of visible debris with activated carbon filtration for odors and organic pollutants.\u003c\/p\u003e\n\u003ch3\u003eWhich filters and aquarium sizes are these cartridges made for?\u003c\/h3\u003e\n\u003cp\u003eCunina XS cartridges are compatible with Tetra Whisper XS, Tetra Whisper 4i and Aqueon QuietFlow E Internal 3 filters. They are intended for small aquariums, including 3-gallon setups, and are listed for tanks up to 4 gallons. The cartridge measures 2.2 x 2.2 inches (5.6 x 5.6 cm), a useful measurement to compare with the cartridge space in your filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlso compatible with small filters such as AquaCulture models.\u003c\/li\u003e\n\u003cli\u003eDesigned for compact fish tank filters and limited-space aquarium setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do the three filtration layers work?\u003c\/h3\u003e\n\u003cp\u003eThe outer dual-layer microfiber cotton captures solid debris, fish waste and impurities, while the inner activated carbon layer helps remove odors and organic pollutants. Together, these filter media are designed to keep aquarium water clearer; the filter system is also intended to reduce the need for frequent water changes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMicrofiber cotton provides the outer filtration layers.\u003c\/li\u003e\n\u003cli\u003eActivated carbon forms the inner odor- and pollutant-targeting layer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many cartridges come in the pack, and when should they be replaced?\u003c\/h3\u003e\n\u003cp\u003eEach Cunina pack contains 12 pre-assembled replacement cartridges. Replace a cartridge every 3 to 4 weeks to help maintain water flow and clarity. The cartridges arrive assembled, so installation is a direct replacement rather than a media-assembly task.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12 cartridges per pack for successive filter changes.\u003c\/li\u003e\n\u003cli\u003ePre-assembled cartridges simplify the replacement step.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCunina XS replacement cartridges suit aquarium owners maintaining a small tank with a compatible filter who want layered filtration and a planned replacement routine. Their named filter compatibility, compact cartridge dimensions and combination of microfiber cotton and activated carbon make them a fit for small aquarium filtration rather than large-tank filter systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are Cunina XS replacement cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Cunina XS replacement cartridges are compatible with Tetra Whisper XS, Tetra Whisper 4i and Aqueon QuietFlow E Internal 3 filters, and small filters such as AquaCulture models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a Cunina XS filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace a Cunina XS filter cartridge every 3 to 4 weeks to help maintain aquarium water flow and clarity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cunina","offers":[{"title":"Default Title","offer_id":67854306902407,"sku":"B0F3JHRQ9R","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/cunina-xs-filter-cartridges-front-view.jpg?v=1793453257"},{"product_id":"aquatop-aquarium-filter-cartridges-2-count-for-sp9-uv-and-sp13-uv-activated-carbon","title":"Aquatop Aquarium Filter Cartridges, 2 Count for SP9-UV and SP13-UV, Activated Carbon","description":"\u003cp\u003e\u003cstrong\u003eAQUATOP SP913UV-RCI is a two-cartridge replacement set for SP9-UV and SP13-UV submersible filters, combining a poly-fiber pad with pre-filled activated carbon for mechanical and chemical aquarium filtration.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade for AQUATOP SP9-UV and SP13-UV submersible filters — choose a replacement designed for these filter models.\u003c\/li\u003e\n\u003cli\u003eMechanical and chemical filtration — the poly-fiber pad traps particles while activated carbon supports water clarity.\u003c\/li\u003e\n\u003cli\u003ePre-filled with activated carbon — ready to use out of the box for fast, mess-free installation.\u003c\/li\u003e\n\u003cli\u003eTwo cartridges per pack — keep a replacement on hand for ongoing aquarium care.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 4 to 6 weeks — helps maintain clean water and reduce odors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilter cartridges need regular replacement as part of aquarium upkeep. This set is made for owners of compatible AQUATOP submersible filters who want both particle trapping and carbon-based filtration in a replacement cartridge. With two cartridges in the pack, you have a spare available when it is time to change the filter media.\u003c\/p\u003e\n\u003ch3\u003eWhich filters fit the AQUATOP SP913UV-RCI cartridges?\u003c\/h3\u003e\n\u003cp\u003eThese replacement cartridges are designed for AQUATOP SP9-UV and SP13-UV submersible filters. Their model-specific fit makes them a direct replacement choice for owners of either compatible filter.\u003c\/p\u003e\n\u003cp\u003eBefore choosing, match your filter model to one of the two supported models. This cartridge set is intended for those filters rather than a universal replacement for every aquarium filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible filter models: SP9-UV and SP13-UV.\u003c\/li\u003e\n\u003cli\u003eReplacement type: original AQUATOP cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the cartridge filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge provides mechanical and chemical filtration through two media components. Its poly-fiber pad traps particles, while the pre-filled activated carbon supports water clarity.\u003c\/p\u003e\n\u003cp\u003eThese functions are combined in one cartridge, so the replacement brings both types of filtration together for the compatible submersible filter. The activated carbon is already in place, and the cartridge is ready to use out of the box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePoly-fiber pad provides the particle-trapping component.\u003c\/li\u003e\n\u003cli\u003eActivated carbon provides the chemical filtration component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow often should I replace the cartridges, and what comes in the pack?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains two replacement cartridges, and replacement is recommended every 4 to 6 weeks. Regular changes help maintain clean water and reduce odors.\u003c\/p\u003e\n\u003cp\u003eKeeping the second cartridge as a backup means you have another replacement available for a future change. The cartridges arrive pre-filled with activated carbon, supporting a quick, mess-free installation without separately filling the carbon insert.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: two cartridges.\u003c\/li\u003e\n\u003cli\u003eRecommended change interval: every 4 to 6 weeks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AQUATOP SP913UV-RCI suits aquarium keepers using an SP9-UV or SP13-UV submersible filter who want a replacement cartridge with both mechanical and chemical filtration. Its two media components and two-cartridge pack make it a model-specific option for routine filter upkeep.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with the AQUATOP SP913UV-RCI replacement cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: AQUATOP SP913UV-RCI replacement cartridges are designed for AQUATOP SP9-UV and SP13-UV submersible filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many AQUATOP SP913UV-RCI cartridges are included, and when should they be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: AQUATOP SP913UV-RCI includes two replacement cartridges; replacement is recommended every 4 to 6 weeks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aquatop","offers":[{"title":"Default Title","offer_id":67854573928839,"sku":"B00VM5WLJA","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquatop-replacement-filter-cartridge-pair.jpg?v=1793454021"},{"product_id":"leadcon-aquarium-filter-cartridges-6-pack-for-aqua-tech-ez-change-2-with-floss-carbon","title":"LeadCon Aquarium Filter Cartridges, 6-Pack for Aqua-Tech EZ-Change #2, with Floss \u0026 Carbon","description":"\u003cp\u003eLeadCon 6 Pack Replacement Aquarium Filter Cartridges are replacement media for aquarium power filters, combining coarse floss and activated carbon to capture particles and impurities.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Aqua-Tech EZ-Change #2 and 10–20 gallon power filters — choose cartridges for the stated filter type and aquarium capacity.\u003c\/li\u003e\n\u003cli\u003eMolded ribbed back — designed to maximize water-to-carbon contact.\u003c\/li\u003e\n\u003cli\u003eWashable and reusable — shake and rinse the cartridge for reuse.\u003c\/li\u003e\n\u003cli\u003eLess than five minutes to switch out — replace the older cartridge with the new one.\u003c\/li\u003e\n\u003cli\u003eReplace every 2 to 4 weeks, or 10 to 12 times per year depending on usage — follow a schedule suited to how the filter is used.\u003c\/li\u003e\n\u003cli\u003eCartridge size: 4.5 × 4.7 × 6 inches (11.43 × 11.94 × 15.24 cm) — compare the dimensions with your filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese replacement cartridges are made for aquarium owners who need replacement media for a compatible power filter. The pack provides six cartridges for routine filter changes, with floss and carbon media working together to catch larger particles and trap dirt and impurities. The stated aquarium capacity and filter model help identify whether this cartridge style matches your setup.\u003c\/p\u003e\n\u003ch3\u003eWhich aquarium filters do these cartridges fit?\u003c\/h3\u003e\n\u003cp\u003eLeadCon replacement cartridges fit Aqua-Tech EZ-Change #2 filters and are made for 10–20 gallon aquarium power filters. Match the cartridge to that filter type and capacity when choosing replacement media. Each cartridge measures 4.5 × 4.7 × 6 inches (11.43 × 11.94 × 15.24 cm), giving you dimensions to compare with your filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntended filter: Aqua-Tech EZ-Change #2.\u003c\/li\u003e\n\u003cli\u003eStated aquarium capacity: 10–20 gallons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do the floss and carbon media filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eCoarse floss catches large particles, while activated carbon traps dirt and removes impurities. The molded, ribbed back is designed to maximize contact between the water and carbon. Together, these features provide particle-catching and carbon filtration in a replacement cartridge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoarse floss for large particles.\u003c\/li\u003e\n\u003cli\u003eActivated carbon for trapping dirt and removing impurities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I change and care for a cartridge?\u003c\/h3\u003e\n\u003cp\u003eRemove the older, dirty cartridge and switch in a replacement; the change takes less than five minutes. The cartridges are washable and reusable, and can be shaken and rinsed. For ongoing replacement, the suggested interval is every 2 to 4 weeks, or 10 to 12 times per year depending on usage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: six replacement cartridges.\u003c\/li\u003e\n\u003cli\u003eReplacement frequency depends on usage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLeadCon replacement cartridges suit aquarium owners using a compatible Aqua-Tech EZ-Change #2 or 10–20 gallon power filter who want floss and activated carbon in one replaceable unit. Their washable, reusable construction and six-cartridge pack support scheduled filter changes. They are sized for the stated compatible filter application.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with LeadCon replacement aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: LeadCon replacement aquarium filter cartridges fit Aqua-Tech EZ-Change #2 filters and are made for 10–20 gallon aquarium power filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace LeadCon aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: LeadCon aquarium filter cartridges are washable and reusable; replace them every 2 to 4 weeks or 10 to 12 times per year, depending on usage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LeadCon","offers":[{"title":"Default Title","offer_id":67854617805191,"sku":"B0B6VF4X88","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/leadcon-aquarium-filter-cartridge-front.jpg?v=1793454278"},{"product_id":"koller-products-xs-aquarium-filter-cartridges-12-count-with-carbon-and-dual-sided-floss","title":"Koller Products XS Aquarium Filter Cartridges, 12 Count with Carbon and Dual-Sided Floss","description":"\u003cp\u003e\u003cstrong\u003eKoller Products XS Replacement Filter Cartridges are a 12-count aquarium filter refill designed to help remove fish waste, debris and organic pollutants in compatible Koller Products filters.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12 replacement cartridges — keep a supply of XS filter refills on hand.\u003c\/li\u003e\n\u003cli\u003eDual-sided poly-fiber floss — catches fish waste and other debris.\u003c\/li\u003e\n\u003cli\u003eActivated carbon — removes organic pollutants that can cloud water and degrade water quality.\u003c\/li\u003e\n\u003cli\u003eFits Koller Products filters that use XS replacement cartridges — match the cartridge size to your filter.\u003c\/li\u003e\n\u003cli\u003eEasy-grip tab — helps make installation and replacement easier while keeping hands dry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFish waste and other debris can collect in aquarium water, while organic pollutants can affect water quality and make water cloudy. These replacement cartridges combine floss and activated carbon to address both types of unwanted material. They are made for Koller Products aquarium filters that take XS cartridges, with a grip tab for easier handling during a change.\u003c\/p\u003e\u003ch3\u003eWhat do the Koller Products XS filter cartridges remove?\u003c\/h3\u003e\u003cp\u003eThe cartridges use dual-sided poly-fiber floss to catch fish waste and debris, plus activated carbon to remove organic pollutants. The floss handles waste and particles, while the carbon targets pollutants that can cloud aquarium water or degrade its quality. Together, these filtration materials are designed to help maintain clear aquarium water and support a healthy environment for fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFloss is present on both sides of the cartridge.\u003c\/li\u003e\n\u003cli\u003eActivated carbon targets organic pollutants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquarium filters do these replacement cartridges fit?\u003c\/h3\u003e\u003cp\u003eThey fit Koller Products aquarium filters designed to use XS replacement cartridges. The XS size is the key fit requirement, so identify whether your filter takes extra-small cartridges before choosing this refill. These cartridges are intended for compatible Koller Products filters rather than filters that use a different cartridge size.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCartridge size: XS, or extra small.\u003c\/li\u003e\n\u003cli\u003eFilter brand compatibility: Koller Products.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow are the cartridges handled during replacement?\u003c\/h3\u003e\u003cp\u003eThe easy-grip tab is designed to make installation and replacement easier and help keep hands dry. Use the tab to hold the cartridge while fitting or removing it from a compatible filter. The packaging may vary by demographic region; some orders may arrive in white SIOC packaging.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade for straightforward installation and replacement.\u003c\/li\u003e\n\u003cli\u003ePackaging can be white SIOC depending on region.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese cartridges suit aquarium owners using a Koller Products filter that takes XS refills and who want floss filtration for waste and debris alongside activated carbon for organic pollutants. The 12-count pack provides replacement cartridges for that specific filter size, with a grip tab to make changes easier.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters do Koller Products XS Replacement Filter Cartridges fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Koller Products XS Replacement Filter Cartridges fit Koller Products aquarium filters designed for XS, or extra-small, replacement cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What do Koller Products XS Replacement Filter Cartridges remove?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Koller Products XS Replacement Filter Cartridges use dual-sided poly-fiber floss to catch fish waste and debris, and activated carbon to remove organic pollutants.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Koller Products","offers":[{"title":"Default Title","offer_id":67854918910343,"sku":"B00EQ5ZMNU","price":30.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/koller-products-xs-filter-cartridges-package-front.jpg?v=1793455128"},{"product_id":"elccotya-aquarium-filter-cartridges-8-pack-for-marina-slim-s10-s15-s20-with-carbon-ceramic","title":"ELCCOTYA Aquarium Filter Cartridges, 8 Pack for Marina Slim S10\/S15\/S20 with Carbon \u0026 Ceramic","description":"\u003cp\u003e\u003cstrong\u003eELCCOTYA replacement aquarium filter cartridges help keep fish-tank water clear, with five-layer filtration media combining high-density cotton, activated carbon and ceramic.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits Marina Slim S10, S15 and S20 filters, plus Marina slim mini filters — choose a replacement for these models.\u003c\/li\u003e\n\u003cli\u003eEight cartridges per pack — keep replacement elements on hand for routine filter changes.\u003c\/li\u003e\n\u003cli\u003eFive-layer filtration with high-density cotton — filters and absorbs 99% of debris.\u003c\/li\u003e\n\u003cli\u003e25% more activated carbon — helps remove odors and reduce water turbidity.\u003c\/li\u003e\n\u003cli\u003ePorous ceramic media — supports biological filtration in the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement elements are made for aquariums using a compatible Marina Slim filter. They combine mechanical filtration media with activated carbon and ceramic, so one cartridge serves several filtration roles in the filter chamber. The compact cartridge measures 5.3 × 2 inches (13.46 × 5.08 cm); compare that size and your filter model when choosing a replacement.\u003c\/p\u003e\u003ch3\u003eWhich filters are these cartridges compatible with?\u003c\/h3\u003e\u003cp\u003eELCCOTYA cartridges fit all three Marina Slim filter models: S10, S15 and S20, as well as Marina slim mini filters. They are replacement elements for those filter systems, rather than universal cartridges for every aquarium filter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible models: Marina Slim S10, S15 and S20.\u003c\/li\u003e\n\u003cli\u003eAlso compatible with Marina slim mini filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat filtration media does each cartridge use?\u003c\/h3\u003e\u003cp\u003eEach ELCCOTYA cartridge combines high-density cotton, activated carbon and porous ceramic in a five-layer filtering design. The cotton helps capture debris, while the carbon helps address odors and cloudy water. Ceramic provides a porous biological filter medium intended to optimize biological filtration and support a suitable environment for fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eActivated carbon content is 25% greater.\u003c\/li\u003e\n\u003cli\u003eThe filtration design is stated to filter and absorb 99% of debris.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I install and replace a cartridge?\u003c\/h3\u003e\u003cp\u003eRinse a new ELCCOTYA cartridge with clean water, then place it fully into the filter chamber after removing the used element. Rinsing removes dust before installation, and the recommended replacement interval is every 2–4 weeks to help maintain a clean aquarium environment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemove the old filter element first.\u003c\/li\u003e\n\u003cli\u003eRinse the new cartridge before placing it in the chamber.\u003c\/li\u003e\n\u003cli\u003eReplace the cartridge every 2–4 weeks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis pack suits aquarium owners who use a Marina Slim S10, S15, S20 or slim mini filter and want replacement media with cotton, carbon and ceramic in one cartridge. Its defined compatibility and compact 5.3 × 2-inch size make it a model-specific option for maintaining filtration in those systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Marina filters fit ELCCOTYA aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ELCCOTYA aquarium filter cartridges fit Marina Slim S10, S15 and S20 filters, as well as Marina slim mini filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace an ELCCOTYA aquarium filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace an ELCCOTYA aquarium filter cartridge every 2–4 weeks. Rinse each new cartridge with clean water before placing it fully in the filter chamber.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ELCCOTYA","offers":[{"title":"Default Title","offer_id":67854975959431,"sku":"B0GL2PMLCP","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/elccotya-aquarium-cartridges-pack-front.jpg?v=1793455299"},{"product_id":"hyparade-a1384-activated-carbon-aquarium-filter-bags-8-pack-for-aqua-clear-50","title":"Hyparade A1384 Activated Carbon Aquarium Filter Bags, 8-Pack for Aqua Clear 50","description":"\u003cp\u003e\u003cstrong\u003eHyparade A1384 activated carbon filter bags are replacement inserts for Aqua Clear 50 aquariums up to 50 gallons, made to help clear aquarium water for improved viewing.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEight pre-measured filter bags — have replacement inserts ready for a regular maintenance routine.\u003c\/li\u003e\n\u003cli\u003eGranular activated carbon — provides the filter media inside each bag.\u003c\/li\u003e\n\u003cli\u003eDesigned to help clear water — supports improved viewing in the aquarium.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater and saltwater tanks — use the inserts with either type of aquarium.\u003c\/li\u003e\n\u003cli\u003eRegular replacement — follow aquarium care guidelines to set a suitable schedule.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen aquarium filter media is due for replacement, a ready-to-use insert can make routine upkeep straightforward. This eight-bag set is intended for aquarium owners maintaining an Aqua Clear 50 setup and looking to support clear water and viewing. Each bag is pre-measured, so the set provides individual inserts for ongoing maintenance rather than loose carbon to measure yourself.\u003c\/p\u003e\u003ch3\u003eWhat does the activated carbon filter insert do?\u003c\/h3\u003e\u003cp\u003eEach Hyparade A1384 insert contains granular activated carbon and is designed to help clear aquarium water for improved viewing. It is a replacement filter insert, so its role is to provide carbon media as part of aquarium care. The carbon’s stated benefit is clearer water; the product is not presented as a treatment for aquatic health conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilter media: granular activated carbon.\u003c\/li\u003e\n\u003cli\u003eIntended result: clearer water for viewing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWill these filter bags fit my aquarium?\u003c\/h3\u003e\u003cp\u003eHyparade A1384 filter bags are direct replacements for the A1384 activated carbon filter insert and are compatible with Aqua Clear 50 aquariums. They are specified for aquariums up to 50 gallons. For a fit check, compare your aquarium’s capacity with that limit and confirm that your setup uses the Aqua Clear 50-compatible A1384 insert.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible aquarium model: Aqua Clear 50.\u003c\/li\u003e\n\u003cli\u003eStated aquarium capacity: up to 50 gallons.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow many inserts are included, and when should I replace them?\u003c\/h3\u003e\u003cp\u003eThe Hyparade set contains eight pre-measured filter bags for regular replacement. Use them as replacement inserts and follow aquarium care guidelines to determine the frequency that suits your maintenance schedule. The product supports use in both freshwater and saltwater tanks, giving aquarium keepers a bagged carbon option across those tank types.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePackage quantity: eight filter bags.\u003c\/li\u003e\n\u003cli\u003eReplacement timing: follow aquarium care guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis set suits aquarium owners who use an Aqua Clear 50-compatible A1384 insert and want pre-measured carbon bags for routine filter maintenance. It is intended for aquariums up to 50 gallons and for freshwater or saltwater use. Its defined purpose is to provide granular activated carbon in replacement bags that help clear water for improved viewing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium is the Hyparade A1384 activated carbon filter compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Hyparade A1384 activated carbon filter is a direct replacement for the A1384 insert and is compatible with Aqua Clear 50 aquariums up to 50 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many bags come with the Hyparade A1384 activated carbon filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Hyparade A1384 activated carbon filter set contains eight pre-measured filter bags with granular activated carbon for regular replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hyparade","offers":[{"title":"Default Title","offer_id":67855332278663,"sku":"B0GHPXPS2P","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hyparade-a1384-carbon-filter-bags-front.jpg?v=1793456140"},{"product_id":"eheim-carbon-filter-pads-for-classic-2213-3-pack-for-aquarium-filtration","title":"Eheim Carbon Filter Pads for Classic 2213, 3-Pack for Aquarium Filtration","description":"\u003cp\u003eEHEIM Carbon Filter Pads are carbon replacement pads for absorptive filtration in the Classic Canister Filter 2213, supplied as a set of three to help eliminate harmful toxins from aquarium water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon pads for absorptive filtration — designed to help eliminate harmful toxins from the tank.\u003c\/li\u003e\n\u003cli\u003eCompatible with the EHEIM Classic Canister Filter 2213 — made for use with this specific filter model.\u003c\/li\u003e\n\u003cli\u003eThree pads per set — provides three carbon pads for your filter needs.\u003c\/li\u003e\n\u003cli\u003eProduct dimensions: 3.00 x 6.00 x 6.00 inches (7.62 x 15.24 x 15.24 cm) — gives you the size information for choosing the product.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium filtration needs can include absorptive filtration as well as the filter itself. These carbon pads are intended for aquarium owners using the EHEIM Classic Canister Filter 2213 who want carbon filtration designed to eliminate harmful toxins from the tank. The model match and three-pad quantity make it easier to identify the right replacement set for that setup.\u003c\/p\u003e\n\u003ch3\u003eWhat are the EHEIM carbon pads designed to do?\u003c\/h3\u003e\n\u003cp\u003eThey provide absorptive filtration and are designed to eliminate harmful toxins from your tank. The carbon pad format adds this filtration function within a compatible canister-filter setup. Choose this set when absorptive filtration is the function you need for your aquarium.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon filter-pad format.\u003c\/li\u003e\n\u003cli\u003eIntended for toxin elimination in the tank.\u003c\/li\u003e\n\u003cli\u003eDesigned for aquarium filtration use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich filter do these pads fit?\u003c\/h3\u003e\n\u003cp\u003eThese pads are made for use with the EHEIM Classic Canister Filter 2213. Match the filter model before choosing the set so the product is intended for your specific canister filter, rather than assuming compatibility with other models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible model: EHEIM Classic Canister Filter 2213.\u003c\/li\u003e\n\u003cli\u003eThe product dimensions are 3.00 x 6.00 x 6.00 inches (7.62 x 15.24 x 15.24 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many pads come in the set?\u003c\/h3\u003e\n\u003cp\u003eThe EHEIM set contains three carbon filter pads. The multi-pad quantity gives you three pads for use with the compatible filter; the product is a pad set, not a canister filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree carbon pads per set.\u003c\/li\u003e\n\u003cli\u003eFor use with the Classic Canister Filter 2213.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set suits aquarium keepers who use the EHEIM Classic Canister Filter 2213 and want carbon pads for absorptive filtration. It is intended for that filter model and for toxin-elimination filtration, making the model compatibility and three-pad contents the key details for choosing it.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filter is the EHEIM Carbon Filter Pad compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The EHEIM Carbon Filter Pad is made for use with the EHEIM Classic Canister Filter 2213.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many pads are included in the EHEIM Carbon Filter Pad set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The EHEIM Carbon Filter Pad set contains three carbon pads for absorptive filtration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Eheim","offers":[{"title":"Default Title","offer_id":67855348171143,"sku":"B0002DH3TG","price":30.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/eheim-carbon-filter-pad-product-front.jpg?v=1793456158"},{"product_id":"shurex-xs-aquarium-filter-cartridges-12-pack-for-tetra-whisper-extra-small-with-carbon","title":"ShuRex XS Aquarium Filter Cartridges, 12-Pack for Tetra Whisper Extra Small with Carbon","description":"\u003cp\u003eShuRex XS filter cartridges are 12 replacement cartridges for Tetra Whisper Extra Small filters, designed to capture debris and fish waste while activated carbon helps reduce odor and discoloration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12 cartridges, presented as a one-year supply — keep replacement filters on hand.\u003c\/li\u003e\n\u003cli\u003eThree-layer filtration with double-layer microfiber cotton and activated carbon — targets solid debris, odor, and discoloration.\u003c\/li\u003e\n\u003cli\u003eMeasures 2.2 × 2.2 in (5.6 × 5.6 cm), length by width — compare the size with your filter.\u003c\/li\u003e\n\u003cli\u003eCompatible with Tetra Whisper Extra Small filters and several other small-filter models — supports a range of setups.\u003c\/li\u003e\n\u003cli\u003eDesigned for convenient installation — replace the cartridge without getting your hands or fingers wet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmall aquarium filters need a cartridge that fits the filter and helps manage the visible and odor-related effects of everyday tank waste. ShuRex XS refills are made for Extra Small filter setups, including select aquarium kits and small hang-on-back filters. Confirm the model and dimensions of your existing cartridge before choosing a replacement.\u003c\/p\u003e\n\u003ch3\u003eWhich filters do these ShuRex XS cartridges fit?\u003c\/h3\u003e\n\u003cp\u003eThey are replacement cartridges for Tetra Whisper Extra Small filters and are also specified for AquaCulture Aquarium Kits up to 3 gallons (11.4 L), Top Fin EF-S filters, and Imagitarium H Mini filters. They fit many brands of hang-on-back (HOB) filters, but compatibility depends on the filter model and cartridge size.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCartridge size: 2.2 × 2.2 in (5.6 × 5.6 cm), length by width.\u003c\/li\u003e\n\u003cli\u003eCompare these dimensions and your filter model before buying.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the three-layer filtration work?\u003c\/h3\u003e\n\u003cp\u003eDouble-layer microfiber cotton captures solid impurities such as debris and fish waste, while the inner activated-carbon layer absorbs odor and discoloration. This filtration design is intended to help reduce fishy smells and yellow water, supporting clearer-looking water for viewing fish.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOuter filtration media: two layers of microfiber cotton.\u003c\/li\u003e\n\u003cli\u003eInner filtration media: activated carbon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow often should I replace a cartridge?\u003c\/h3\u003e\n\u003cp\u003eReplace the cartridge every 3 to 4 weeks if you notice reduced water flow. The cartridge is designed for convenient installation, without needing to get your hands or fingers wet.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: 12 replacement cartridges.\u003c\/li\u003e\n\u003cli\u003eThe pack is presented as a one-year supply of refills.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese ShuRex XS cartridges suit aquarium owners whose filter uses a compatible Extra Small cartridge and who want replacement media for routine filtration. They are intended for small fish-tank filters, so matching the filter model and cartridge dimensions is important. For a compatible setup, the pack combines cotton filtration for solid waste with activated carbon for odor and discoloration control.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with ShuRex XS filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ShuRex XS filter cartridges fit Tetra Whisper Extra Small filters and are also specified for AquaCulture Aquarium Kits up to 3 gallons, Top Fin EF-S, and Imagitarium H Mini filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace ShuRex XS filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace ShuRex XS filter cartridges every 3 to 4 weeks if water flow is reduced.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ShuRex","offers":[{"title":"Default Title","offer_id":67855844901255,"sku":"B0DK1B3WGX","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/shurex-xs-filter-cartridge-front-view.jpg?v=1793458439"},{"product_id":"dniuaxz-aquarium-filter-cartridges-for-imagitarium-d-filters-4-pack-with-coconut-carbon","title":"DNIUAXZ Aquarium Filter Cartridges for Imagitarium D Filters, 4 Pack with Coconut Carbon","description":"\u003cp\u003eDNIUAXZ Carbon D Filter Cartridges are replacement cartridges for compatible Imagitarium aquarium D filters, combining double-layer high-density cotton with activated carbon to filter aquarium water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Imagitarium D filters — choose a replacement made for this filter type.\u003c\/li\u003e\n\u003cli\u003eFour cartridges per set — keep replacements ready for routine filter maintenance.\u003c\/li\u003e\n\u003cli\u003eDouble-layer high-density cotton and activated carbon — combine debris filtration with carbon adsorption.\u003c\/li\u003e\n\u003cli\u003eCarbon filtration is claimed to absorb 99% of debris and odors — helps maintain aquarium water quality.\u003c\/li\u003e\n\u003cli\u003eEach cartridge measures 8.66 x 2.95 x 0.6 inches (22 x 7.49 x 1.52 cm) — compare the dimensions with your filter.\u003c\/li\u003e\n\u003cli\u003eTool-free replacement — change the cartridge without installation tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA filter cartridge needs to fit the aquarium filter and provide ongoing filtration as it collects debris and other unwanted substances. This replacement is made for compatible Imagitarium D filters, with cotton layers and coconut activated carbon in one cartridge. Replace it every 2 to 4 weeks for optimal filtration performance, adjusting your routine to keep the aquarium filter operating efficiently.\u003c\/p\u003e\n\u003ch3\u003eWhich aquarium filters are these cartridges compatible with?\u003c\/h3\u003e\n\u003cp\u003eDNIUAXZ Carbon D Filter Cartridges are compatible with Imagitarium aquarium D filters. Each cartridge measures 8.66 x 2.95 x 0.6 inches (22 x 7.49 x 1.52 cm), so compare these dimensions and confirm your filter model before choosing a replacement. The specified compatibility is for Imagitarium D filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement type: D filter cartridge.\u003c\/li\u003e\n\u003cli\u003eDesigned for use in compatible aquarium filter systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the cartridge filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge combines two layers of high-density cotton with activated carbon to capture debris and impurities and absorb odors and trace harmful substances. The cotton provides particle filtration, while the carbon adsorbs substances in the water; together, these components provide the described three-stage purification design and help maintain clean, stable water quality.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter media: double-layer high-density cotton.\u003c\/li\u003e\n\u003cli\u003eCarbon media: coconut activated carbon.\u003c\/li\u003e\n\u003cli\u003eThe carbon is claimed to absorb 99% of debris and odors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many cartridges are included, and how do I replace one?\u003c\/h3\u003e\n\u003cp\u003eEach set contains four DNIUAXZ Carbon D Filter Cartridges. To replace a cartridge, turn off the filter, remove the old cartridge, and insert the new one; no tools are needed. For optimal filtration performance, replace cartridges every 2 to 4 weeks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContents: four D filter cartridges.\u003c\/li\u003e\n\u003cli\u003eReplacement is a tool-free process.\u003c\/li\u003e\n\u003cli\u003eManual measurement may result in slight dimensional variation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set suits aquarium keepers using a compatible Imagitarium D filter who want replacement cartridges with cotton and coconut activated carbon filtration. It is intended for that D-filter fit, with the cartridge dimensions available to compare before purchase. For those aquariums, the set provides four cartridges and a tool-free replacement routine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters fit the DNIUAXZ Carbon D Filter Cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: DNIUAXZ Carbon D Filter Cartridges are compatible with Imagitarium aquarium D filters. Each cartridge measures 8.66 x 2.95 x 0.6 inches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a DNIUAXZ Carbon D Filter Cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace a DNIUAXZ Carbon D Filter Cartridge every 2 to 4 weeks for optimal filtration performance. Turn off the filter, remove the old cartridge, and insert a new one without tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DNIUAXZ","offers":[{"title":"Default Title","offer_id":67855857516935,"sku":"B0GCJ1758Q","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/dniaxz-carbon-filter-cartridge-front-view.jpg?v=1793458557"},{"product_id":"batator-aquarium-filter-cartridges-for-aqueon-quietflow-at10-at15-4-pack-two-stage-foam-and-carbon","title":"Batator Aquarium Filter Cartridges for Aqueon QuietFlow AT10\/AT15, 4-Pack Two-Stage Foam and Carbon","description":"\u003cp\u003eBatator replacement internal filter cartridges are made for Aqueon QuietFlow AT10 and AT15 filters, with four cartridges for aquarium water filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour replacement cartridges — keep spares available for routine filter changes.\u003c\/li\u003e\n\u003cli\u003eDense foam and activated carbon — combine mechanical and chemical filtration.\u003c\/li\u003e\n\u003cli\u003eRigid cartridge frame — directs water through the filter media rather than around it.\u003c\/li\u003e\n\u003cli\u003eFully submersible design — supports installation in either a vertical or horizontal position.\u003c\/li\u003e\n\u003cli\u003eApproximately 30-day replacement interval — provides a simple routine for maintaining filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAquarium filter media collects suspended debris while helping address odors and discoloration in the water. This replacement set is intended for fish tanks using compatible Aqueon QuietFlow internal filters, giving aquarium owners a ready supply of cartridges for ongoing filter maintenance.\u003c\/p\u003e\u003ch3\u003eHow do the Batator cartridges filter aquarium water?\u003c\/h3\u003e\u003cp\u003eEach cartridge uses two filtration stages: dense foam provides mechanical filtration, while activated carbon provides chemical filtration. The foam captures particles and debris, and the carbon helps remove toxins, odors, and discoloration. Together, these media are designed to help maintain clear aquarium water for fish and plants.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical filtration is provided by dense foam.\u003c\/li\u003e\n\u003cli\u003eActivated carbon supplies the chemical filtration stage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I install the cartridges?\u003c\/h3\u003e\u003cp\u003eThe cartridges can be positioned vertically or horizontally in the filter. Their rigid frame helps channel water through the media instead of allowing it to bypass the cartridge, supporting filtration across the cartridge surface. In the filter setup, the return flow rate, direction, and height can be adjusted to suit the aquarium’s water output needs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChoose a vertical or horizontal cartridge position.\u003c\/li\u003e\n\u003cli\u003eAdjust the filter’s return flow rate, direction, and height.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen should I replace a cartridge?\u003c\/h3\u003e\u003cp\u003eReplace a cartridge approximately every 30 days to maintain filtration. This interval offers a practical maintenance schedule for aquarium owners who want to keep replacement media on hand and change it regularly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour cartridges are included in the set.\u003c\/li\u003e\n\u003cli\u003eDesigned as a complete two-stage replacement filter unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese Batator cartridges suit fish- and plant-aquarium owners with compatible Aqueon QuietFlow AT10 or AT15 internal filters who need replacement media for routine maintenance. Their foam-and-carbon construction, rigid frame, and submersible, position-flexible design make them a two-stage cartridge set for those filter models.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Aqueon QuietFlow filters do Batator replacement cartridges fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Batator replacement internal filter cartridges are made for Aqueon QuietFlow AT10 and AT15 filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What filtration stages do Batator aquarium filter cartridges use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Batator aquarium filter cartridges combine dense foam for mechanical filtration with activated carbon for chemical filtration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Batator","offers":[{"title":"Default Title","offer_id":67856079159687,"sku":"B0G5NZX4CB","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/batator-filter-cartridges-front-view.jpg?v=1793459357"},{"product_id":"pryitier-pf-l-aquarium-filter-cartridges-9-pack-with-zeolite-for-pf20-pf75-filters","title":"Pryitier PF-L Aquarium Filter Cartridges, 9-Pack with Zeolite for PF20–PF75 Filters","description":"\u003cp\u003ePryitier PF-L replacement aquarium filter cartridges are a nine-piece refill designed to filter aquarium water, with four-stage media and compatibility with PF20, PF30, PF40 and PF75 Power Filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack of 9 replacement cartridges — keeps refills on hand for routine filter changes.\u003c\/li\u003e\n\u003cli\u003eFits PF20, PF30, PF40 and PF75 Power Filters — made for these four filter models.\u003c\/li\u003e\n\u003cli\u003eFour-stage filtration with dense, dual-sided mesh — helps capture water impurities.\u003c\/li\u003e\n\u003cli\u003eNutshell activated carbon — adsorbs dissolved pollutants and helps improve water clarity, color and odor.\u003c\/li\u003e\n\u003cli\u003eProcessed spherical zeolite — adsorbs ammonia, heavy metals and other unwanted components.\u003c\/li\u003e\n\u003cli\u003e6.5 × 4.5 inches (16.51 × 11.43 cm) with handle — gives you the cartridge size to compare with your filter chamber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese cartridges are made for aquarium owners who need a replacement refill for a compatible power filter. Their combination of mesh and filter media is intended to help maintain cleaner water for fish and aquatic plants, while the included handle supports placement in the filter chamber.\u003c\/p\u003e\n\u003ch3\u003eWhat filtration media does the cartridge use?\u003c\/h3\u003e\n\u003cp\u003eIt combines dense mesh with nutshell activated carbon and processed spherical zeolite in a four-stage filtration design. The dual-sided mesh provides a physical filtration layer, while the carbon adsorbs dissolved pollutants. Zeolite can adsorb ammonia, heavy metals and other harmful components, and is intended to support a more stable water state by balancing pH.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe carbon uses nutshell material with a developed pore structure and evenly distributed pores.\u003c\/li\u003e\n\u003cli\u003eThe zeolite is spherical rather than crushed granules.\u003c\/li\u003e\n\u003cli\u003eFor planted aquariums, the zeolite is intended to improve fertilization efficiency and support faster, healthier plant growth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich power filters does this refill fit, and what size is it?\u003c\/h3\u003e\n\u003cp\u003ePryitier PF-L cartridges are compatible with PF20, PF30, PF40 and PF75 Power Filters. The cartridge measures 6.5 × 4.5 inches (16.51 × 11.43 cm) including the handle, or 6 × 4.5 inches (15.24 × 11.43 cm) without it; compare the size with your filter chamber for fit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe package contains nine PF-L replacement cartridges.\u003c\/li\u003e\n\u003cli\u003eThe handle is included in the larger length measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I install and maintain a cartridge?\u003c\/h3\u003e\n\u003cp\u003eBefore installation, rinse a cartridge under clean, cool water to remove surface dust. Insert it into the filter chamber and make sure it sits completely inside. Replace cartridges every 2 to 4 weeks, depending on the conditions in your aquarium.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse before use; clean, cool water is specified for this step.\u003c\/li\u003e\n\u003cli\u003eCheck that the cartridge is fully seated in the chamber after insertion.\u003c\/li\u003e\n\u003cli\u003eAdjust the replacement interval to your aquarium environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis refill suits aquarium keepers using one of the four compatible power-filter models who want mesh, carbon and zeolite filtration in a single cartridge. Its stated size, handle option and installation steps help buyers check chamber fit and prepare each replacement for use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with Pryitier PF-L replacement cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pryitier PF-L replacement aquarium filter cartridges are compatible with PF20, PF30, PF40 and PF75 Power Filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a Pryitier PF-L filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace Pryitier PF-L filter cartridges every 2 to 4 weeks, adjusting the interval to the conditions in your aquarium.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pryitier","offers":[{"title":"Default Title","offer_id":67856635330951,"sku":"B0D6XT91Q7","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pryitier-pf-l-filter-cartridges-nine-pack.jpg?v=1793461270"},{"product_id":"hygger-aquarium-carbon-filter-cartridges-10-pack-for-hg149-m-and-hg149-l","title":"hygger Aquarium Carbon Filter Cartridges, 10-Pack for HG149-M and HG149-L","description":"\u003cp\u003eThe hygger 10-pack of replacement aquarium carbon filter cartridges is made to replace cartridges in compatible hang-on-back filters, with fit for the hygger HG149-M and HG149-L models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10 replacement cartridges — keep a multipack on hand for cartridge changes.\u003c\/li\u003e\n\u003cli\u003eCompatible with hygger HG149-M and HG149-L — match the filter model before choosing a replacement.\u003c\/li\u003e\n\u003cli\u003eCarbon filter cartridge format — choose the cartridge type named for these filters.\u003c\/li\u003e\n\u003cli\u003eDesigned as a replacement — made for use with a compatible hang-on-back filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen a hang-on-back aquarium filter needs a replacement cartridge, choosing one that matches the filter model is the key buying decision. This hygger cartridge pack is for owners of the specified HG149 filter models who want replacement cartridges in one purchase. The model information helps distinguish the intended fit, while the 10-pack gives buyers a clear count of what comes in the box.\u003c\/p\u003e\n\u003ch3\u003eWhich hygger filters are these cartridges for?\u003c\/h3\u003e\n\u003cp\u003eThese cartridges are compatible with hygger HG149-M and HG149-L hang-on-back filters. Compare the model code on your filter with those two model names before selecting the replacement; the cartridge is intended for those compatible filter models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter type: hang-on-back.\u003c\/li\u003e\n\u003cli\u003eCompatible model codes: HG149-M and HG149-L.\u003c\/li\u003e\n\u003cli\u003eChoose by the filter model, rather than assuming cartridges are interchangeable across different filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many cartridges come in the pack?\u003c\/h3\u003e\n\u003cp\u003eThe package contains 10 replacement cartridges. This gives aquarium owners a defined quantity for planning replacement needs without having to estimate the number of cartridges included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePackage quantity: 10 packs of replacement cartridges.\u003c\/li\u003e\n\u003cli\u003eThe listed contents are cartridges; no other included components are specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat kind of replacement cartridge is this?\u003c\/h3\u003e\n\u003cp\u003eThis is a carbon filter cartridge for the compatible hygger hang-on-back filters. Its role is to serve as the replacement cartridge in the filter, so the product is suited to buyers looking for this named cartridge type rather than a different aquarium accessory.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct category: aquarium filter replacement cartridge.\u003c\/li\u003e\n\u003cli\u003eFilter type named for the cartridge: carbon.\u003c\/li\u003e\n\u003cli\u003eUse the model codes to confirm that the replacement matches your filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis pack is suited to aquarium keepers who use a hygger HG149-M or HG149-L hang-on-back filter and want replacement carbon cartridges in a multipack. It is intended for those compatible filters, with the model codes providing a straightforward way to check fit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters fit the hygger replacement carbon filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger replacement carbon filter cartridges are compatible with hygger HG149-M and HG149-L hang-on-back filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many cartridges come in the hygger replacement cartridge pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger replacement aquarium carbon filter cartridge pack contains 10 packs of replacement cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67857246978439,"sku":"B0DRK1KVCQ","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-carbon-filter-cartridges-package-front.jpg?v=1793463199"},{"product_id":"pryitier-8-pack-aquarium-filter-cartridges-for-marina-slim-s10-s15-s20-with-carbon-ceramic","title":"Pryitier 8-Pack Aquarium Filter Cartridges for Marina Slim S10\/S15\/S20 with Carbon \u0026 Ceramic","description":"\u003cp\u003e\u003cstrong\u003ePryitier 8-pack replacement aquarium filter cartridges are made for Marina Slim S10, S15, and S20 filters, with dense dual-sided mesh, ultra-activated carbon, and ceramic for aquarium filtration.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThickened, unprinted and undyed pure cotton — provides the cartridge’s filter material without added chemicals.\u003c\/li\u003e\n\u003cli\u003eDual-sided dense mesh — its greater thickness is designed to provide better filtration.\u003c\/li\u003e\n\u003cli\u003eUltra-activated carbon and ceramic — combine two additional filter media in each cartridge.\u003c\/li\u003e\n\u003cli\u003eInsert-and-fit installation — seats the cartridge in the filter’s flushing chamber.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 2–4 weeks — the timing can vary with the number of fish in the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplacement cartridges help keep a compatible aquarium filter supplied with fresh filter media as part of routine tank care. This set is intended for owners of Marina Slim filters who want replacement cartridges that fit the S10, S15, or S20 model and combine cotton, mesh, carbon, and ceramic in one cartridge. The recommended replacement schedule gives you a starting point for maintaining water quality, with fish numbers affecting how often a change is needed.\u003c\/p\u003e\n\u003ch3\u003eWhich Marina Slim filters do these cartridges fit?\u003c\/h3\u003e\n\u003cp\u003eThey are compatible with Marina Slim aquarium filters S10, S15, and S20. Match the filter model before choosing the replacement so the cartridge is intended for your equipment. The fit is complete when the cartridge sits fully inside the flushing chamber.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible models: Marina S10, S15, and S20 Slim filters.\u003c\/li\u003e\n\u003cli\u003eDesigned as replacement cartridges for the Marina Slim filter range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat filter materials are in each cartridge?\u003c\/h3\u003e\n\u003cp\u003eEach cartridge combines thickened biochemical pure cotton with dense mesh, ultra-activated carbon, and ceramic. The cotton is unprinted and undyed and is made without chemicals. The dense mesh is dual-sided; its thicker construction is intended to improve filtration compared with a thinner mesh.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePure cotton is thickened and has no printing or dyeing.\u003c\/li\u003e\n\u003cli\u003eUltra-activated carbon is used instead of ordinary carbon.\u003c\/li\u003e\n\u003cli\u003eCeramic is included as an additional filter medium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you install and replace a cartridge?\u003c\/h3\u003e\n\u003cp\u003eInsert the cartridge into the flushing chamber and make sure it fits completely inside. Replace cartridges every 2–4 weeks to help maintain water quality; the number of fish in the aquarium affects the replacement interval.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeat the cartridge fully in the flushing chamber during installation.\u003c\/li\u003e\n\u003cli\u003eUse the 2–4 week interval as a guide, adjusting for the number of fish in the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cartridge set suits aquarium owners using a Marina Slim S10, S15, or S20 filter who want cotton, mesh, ultra-activated carbon, and ceramic in their replacement media. Its model compatibility and insert-to-fit installation make it a match for those three Marina Slim filters.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with Pryitier Marina Slim replacement cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pryitier replacement cartridges fit Marina Slim aquarium filters S10, S15, and S20.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should Pryitier Marina Slim filter cartridges be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace Pryitier Marina Slim filter cartridges every 2–4 weeks to help maintain water quality; the number of fish in the tank affects timing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pryitier","offers":[{"title":"Default Title","offer_id":67857298784647,"sku":"B0CXDF9157","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pryitier-marina-slim-cartridges-front-view.jpg?v=1793463446"},{"product_id":"top-fin-silenstream-pf-s-aquarium-filter-cartridges-3-count-activated-carbon-for-pf10","title":"Top Fin Silenstream PF-S Aquarium Filter Cartridges, 3 Count, Activated Carbon for PF10","description":"\u003cp\u003e\u003cstrong\u003eTop Fin Silenstream PF-S is an activated-carbon replacement cartridge for PF10 Power Filters, made to help keep aquarium water cleaner and safer while removing undesirable odors, pigments and waste.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Top Fin Silenstream PF10 Power Filters — a refill made for this filter model.\u003c\/li\u003e\n\u003cli\u003eActivated carbon — helps remove undesirable odors, pigments and waste from aquarium water.\u003c\/li\u003e\n\u003cli\u003eThree cartridges per pack — provides three PF-S refills for the compatible filter.\u003c\/li\u003e\n\u003cli\u003eEach cartridge measures 5.5 x 3.1 in (14 x 7.9 cm) — use the dimensions when checking the replacement size.\u003c\/li\u003e\n\u003cli\u003eDesigned for aquarium filtration — helps maintain cleaner, safer aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen a PF10 Power Filter needs a refill, choosing a cartridge made for that model keeps the replacement specific to the filter. The Top Fin Silenstream PF-S cartridge combines activated carbon with a defined PF10 fit, giving aquarium owners a replacement option for addressing odors, pigments and waste in the water. The three-count pack contains multiple refills for the same compatible filter model.\u003c\/p\u003e\n\u003ch3\u003eWhich filter is the PF-S refill made for?\u003c\/h3\u003e\n\u003cp\u003eThe Top Fin Silenstream PF-S refill is made for Top Fin Silenstream PF10 Power Filters. Its stated cartridge size is 5.5 x 3.1 in (14 x 7.9 cm), which can help you compare the replacement with the cartridge space in your filter. It is a model-specific refill for the PF10 rather than a general-purpose cartridge for every aquarium filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible filter: Top Fin Silenstream PF10 Power Filter.\u003c\/li\u003e\n\u003cli\u003eCartridge dimensions: 5.5 x 3.1 in (14 x 7.9 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat does the activated carbon cartridge help remove?\u003c\/h3\u003e\n\u003cp\u003eThe Top Fin Silenstream PF-S cartridge contains activated carbon to help remove undesirable odors, pigments and waste from aquarium water. This filtration purpose makes it a replacement to consider when maintaining a PF10 filter for aquarium water cleanliness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains activated carbon.\u003c\/li\u003e\n\u003cli\u003eDesigned to address odors, pigments and waste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many refills come in the pack?\u003c\/h3\u003e\n\u003cp\u003eThe Top Fin Silenstream PF-S pack contains three cartridges, each intended as a refill for the PF10 Power Filter. The pack is useful for aquarium owners who want several compatible replacement cartridges on hand for that filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: 3 cartridges.\u003c\/li\u003e\n\u003cli\u003eEach cartridge is a PF10 Power Filter refill.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis refill suits aquarium owners using a Top Fin Silenstream PF10 Power Filter who want a cartridge with activated carbon for addressing undesirable odors, pigments and waste. Its stated compatibility and dimensions make it a specific fit choice, while the three-cartridge pack supplies multiple refills for the same filter model.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filter is the Top Fin Silenstream PF-S refill compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Top Fin Silenstream PF-S refill is made for Top Fin Silenstream PF10 Power Filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the Top Fin Silenstream PF-S cartridge contain, and how many are in the pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Top Fin Silenstream PF-S pack contains three cartridges with activated carbon to help remove undesirable odors, pigments and waste.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Top Fin","offers":[{"title":"Default Title","offer_id":67857476387207,"sku":"B08NGVZJVZ","price":29.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/top-fin-silenstream-pf-s-refill-front.jpg?v=1793464097"},{"product_id":"penn-plax-filtrx-aquarium-filter-media-2-pack-zeolite-for-ammonia-removal","title":"Penn-Plax Filtrx Aquarium Filter Media, 2-Pack Zeolite for Ammonia Removal","description":"\u003cp\u003e\u003cstrong\u003ePenn-Plax Filtrx is purifying media for aquarium filter systems with trays, made with Pro-Z zeolite crystals to absorb ammonia from tank water.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHelps remove harmful chemicals and toxins, reduce discoloration, and lessen foul aquarium-water odors.\u003c\/li\u003e\n\u003cli\u003eCompatible with Cascade, Marlin, and other aquarium filter systems with trays.\u003c\/li\u003e\n\u003cli\u003eDesigned to help maintain a stable aquarium pH level.\u003c\/li\u003e\n\u003cli\u003eIncludes two disposable bags, each containing 8 oz of zeolite crystals.\u003c\/li\u003e\n\u003cli\u003eEach media bag measures approximately 6 x 5 x 0.5 in (15.24 x 12.7 x 1.27 cm).\u003c\/li\u003e\n\u003cli\u003eRinse with cold water before use; replace every 4–6 weeks, depending on tank conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium water can develop ammonia, discoloration, and unpleasant odors. Filtrx is designed for aquarium keepers who use a tray-equipped filter and want filter media that targets these water concerns while also supporting pH stability. Its bagged format is made to go inside the aquarium filter, rather than being added loose to the tank.\u003c\/p\u003e\n\u003ch3\u003eHow does Penn-Plax Filtrx help with aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe Pro-Z zeolite crystals in Penn-Plax Filtrx absorb ammonia from aquarium water. The media is also designed to remove harmful chemicals and toxins, clear discoloration, reduce foul odors, and help maintain a stable pH level. These functions make it a filter-media option for routine aquarium water maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZeolite is the active media material in each bag.\u003c\/li\u003e\n\u003cli\u003eWater treatment benefits include ammonia absorption and support for a stable pH.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich filters fit Penn-Plax Filtrx, and what is included?\u003c\/h3\u003e\n\u003cp\u003ePenn-Plax Filtrx fits Cascade, Marlin, and other aquarium filter systems that use trays. The box contains two disposable bags, with 8 oz of zeolite crystals in each bag. Each bag is approximately 6 x 5 x 0.5 in (15.24 x 12.7 x 1.27 cm), a useful measurement to compare with the available space in your filter tray.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuantity: two bags per box.\u003c\/li\u003e\n\u003cli\u003eBag format keeps the zeolite media contained for placement in the filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow should Penn-Plax Filtrx be prepared and replaced?\u003c\/h3\u003e\n\u003cp\u003eRinse each Penn-Plax Filtrx bag thoroughly with cold water before placing it in the aquarium filter. For best results, replace the media every 4–6 weeks, with timing dependent on the condition of the tank.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse before putting the media into the filter.\u003c\/li\u003e\n\u003cli\u003eReplacement timing is guided by both the 4–6 week interval and tank condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePenn-Plax Filtrx is intended for aquarium keepers with a compatible tray-equipped filter who want bagged zeolite media for aquarium water maintenance. It is suitable for all life stages and is supplied in disposable bags for placement in the filter. Its fit depends on having a filter system with a tray and space for the approximately sized bags.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium filters are compatible with Penn-Plax Filtrx?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Penn-Plax Filtrx is compatible with Cascade, Marlin, and other aquarium filter systems that have trays.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many bags come with Penn-Plax Filtrx, and how often should they be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Penn-Plax Filtrx includes two disposable 8 oz zeolite bags. Rinse before use and replace every 4–6 weeks, depending on tank condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Penn-Plax","offers":[{"title":"Default Title","offer_id":67857600184711,"sku":"B082DLKPJ1","price":30.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/penn-plax-filtrx-media-package-front.jpg?v=1793464313"},{"product_id":"fksc-12-in-1-aquarium-filter-media-with-ceramic-rings-carbon-bio-balls","title":"FKSC 12-in-1 Aquarium Filter Media with Ceramic Rings, Carbon \u0026 Bio Balls","description":"\u003cp\u003e\u003cstrong\u003eFKSC 12-in-1 aquarium filter media combines ceramic rings, activated carbon and bio balls to support biological and mechanical filtration in freshwater and marine tanks.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12 types of filter media — gives filtration systems a varied mix of textures and porosities.\u003c\/li\u003e\n\u003cli\u003eCeramic rings, activated carbon and bio balls — combines three named media types in one set.\u003c\/li\u003e\n\u003cli\u003eDesigned for freshwater and marine tanks — supports a balanced aquatic environment across both tank types.\u003c\/li\u003e\n\u003cli\u003eReusable zippered mesh bag — keeps the media together for installation, removal and rinsing.\u003c\/li\u003e\n\u003cli\u003eSupports water clarity and steady conditions — helps provide a comfortable habitat for fish and aquatic plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaintaining clear, balanced water means choosing filter media that suits the filtration system and can be handled during routine upkeep. This mix is made for aquarium, pond and koi tank filtration, with a range of media types intended to support water circulation, oxygen flow, and biological and mechanical filtration.\u003c\/p\u003e\n\u003ch3\u003eWhat types of media are included?\u003c\/h3\u003e\n\u003cp\u003eThe FKSC set contains 12 types of aquarium filter media, including ceramic rings, activated carbon and bio balls. The pieces have different textures and porosities to support biological and mechanical filtration as water moves through the filter. Together, the media are designed to help maintain clear water and balanced conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA mix of 12 media types in one set.\u003c\/li\u003e\n\u003cli\u003eDifferent textures and porosities support filtration.\u003c\/li\u003e\n\u003cli\u003eDesigned to help maintain a balanced aquatic environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I use and maintain the media?\u003c\/h3\u003e\n\u003cp\u003eRinse the FKSC aquarium filter media before placing it in your filter. The media comes packed in a reusable mesh bag with a zipper, so you can install or remove the contents together and rinse the bagged media during maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReady to use after rinsing.\u003c\/li\u003e\n\u003cli\u003eReusable multiple times before replacement.\u003c\/li\u003e\n\u003cli\u003eThe zippered bag keeps the media contained during handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich filters and tanks can use this media?\u003c\/h3\u003e\n\u003cp\u003eThe FKSC filter media bag fits most sump, canister and pond filtration systems, and the media is compatible with many filter layouts. It is intended for freshwater and marine tanks, as well as pond and koi fish tank filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for top filter boxes, bottom filters and filter pumps.\u003c\/li\u003e\n\u003cli\u003eAlso fits external canister filtration systems.\u003c\/li\u003e\n\u003cli\u003eMade for systems supporting fish and aquatic plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set suits aquarium and pond keepers looking for a varied filter-media mix that is simple to place and remove for rinsing. It is designed for maintaining water conditions in freshwater and marine tanks, ponds and koi fish tanks. Its 12 media types and reusable zippered bag make it a practical fit for routine filtration care.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I prepare FKSC 12-in-1 aquarium filter media before use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse FKSC 12-in-1 aquarium filter media before placing it in your filter. Its reusable zippered mesh bag makes the media easy to install, remove and rinse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filtration systems fit FKSC 12-in-1 aquarium filter media?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: FKSC 12-in-1 aquarium filter media fits most sump, canister and pond systems, including top filter boxes, bottom filters, filter pumps and external canisters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FKSC","offers":[{"title":"Default Title","offer_id":67857798562183,"sku":"B0FMJ1FM4P","price":29.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/fksc-aquarium-filter-media-full-mix.jpg?v=1793465157"},{"product_id":"sieral-undergravel-aquarium-filter-for-10-gallon-tanks-6-plates-with-carbon-sponge","title":"Sieral Undergravel Aquarium Filter for 37.9 L Tanks, 6 Plates with Carbon Sponge","description":"\u003cp\u003e\u003cstrong\u003eSieral Undergravel Aquarium Filter is a six-plate filtration set for 10-gallon (37.9 L) fish tanks, designed to support water circulation and a cleaner substrate.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSix black PVC plates form a modular under-gravel base that can be arranged to suit the tank layout.\u003c\/li\u003e\n\u003cli\u003eThe kit includes 2 adjustable lift tubes, 2 straight air tubes, and 1 customizable activated carbon filter sponge.\u003c\/li\u003e\n\u003cli\u003eThe activated carbon sponge helps filter impurities, while the plate design supports water circulation and substrate cleanliness.\u003c\/li\u003e\n\u003cli\u003eDesigned with large fish, including Arowanas, and marine species in mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis under-gravel filter set is made for aquarium setups where filtration is arranged beneath the substrate. Its separate plates can be combined into a layout that fits the aquarium base, while the tubes offer adjustment for different tank depths. The set brings its plates, tubes, and filter sponge together as components of one filtration system.\u003c\/p\u003e\n\u003ch3\u003eWhat comes with the Sieral undergravel filter?\u003c\/h3\u003e\n\u003cp\u003eThe set contains the filtration plates, lift tubes, straight air tubes, and an activated carbon sponge. Each plate measures about 5.7 x 5.7 inches (14.48 x 14.48 cm), and the filter cotton sponge measures 4 x 4 inches (10.16 x 10.16 cm). The sponge is customizable, so it can be adapted as filter media within the setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlate material: PVC.\u003c\/li\u003e\n\u003cli\u003eThe plates are designed to sit slightly submerged beneath the aquarium substrate.\u003c\/li\u003e\n\u003cli\u003eThe activated carbon sponge is intended to help filter impurities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan the plate layout and tube height be adjusted?\u003c\/h3\u003e\n\u003cp\u003eYes. The six plates can be combined into different layouts, including two rows of three, and the lift tubes adjust from about 12.6 to 20.08 inches (32.00 to 51.00 cm). This gives the set flexibility for tank layouts and depths; the two-row arrangement is suitable for most 10-gallon aquariums.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge tube diameter: about 0.87 inches (2.21 cm).\u003c\/li\u003e\n\u003cli\u003eSmall tube diameter: about 0.79 inches (2.01 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat aquarium setups is this filter designed for?\u003c\/h3\u003e\n\u003cp\u003eThe design supports water circulation and a clean substrate environment, with large fish such as Arowanas and marine species among the intended aquarium applications. PVC plates provide the modular grid, while the filter sponge supplies activated carbon media to help filter impurities. Together, these components are made to work as an under-gravel filtration set.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe six plates can be separated and recombined to change the grid footprint.\u003c\/li\u003e\n\u003cli\u003eThe modular grid allows different filter media types to be arranged within the setup.\u003c\/li\u003e\n\u003cli\u003eThe plate design is intended to help maintain substrate stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set is suited to aquarium keepers planning an under-gravel filtration layout for a 10-gallon tank, including setups for large fish or marine species. Its adjustable tubes, configurable plates, and included activated carbon sponge make it a coordinated filtration system for circulation and substrate care.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Sieral Undergravel Aquarium Filter suitable for a 10-gallon tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Sieral Undergravel Aquarium Filter has six modular plates and is suitable for most 10-gallon aquariums when arranged in two rows of three.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much can the Sieral Undergravel Aquarium Filter lift tubes adjust?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Sieral Undergravel Aquarium Filter lift tubes adjust from about 12.6 to 20.08 inches, providing flexibility for different aquarium depths.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sieral","offers":[{"title":"Default Title","offer_id":67858100093319,"sku":"B0GGZKVCXP","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/sieral-undergravel-aquarium-filter-full-set.jpg?v=1793466209"},{"product_id":"czarixa-aquarium-filter-cartridges-8-pack-rf-l-for-large-retreat-filters-3-stage-carbon-filtration","title":"Czarixa Aquarium Filter Cartridges, 8-Pack RF-L for Large Retreat Filters, 3-Stage Carbon Filtration","description":"\u003cp\u003eCzarixa RF-L fish tank filter cartridges are an 8-piece replacement set designed for compatible Top Fin large Retreat filters, with each cartridge measuring 7.42 x 2.67 x 0.79 in (18.85 x 6.78 x 2 cm).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree-stage filtration — supports a cleaner aquarium environment for fish and turtles.\u003c\/li\u003e\n\u003cli\u003eDouble-sided, high-density mesh — provides filter media across both sides of each cartridge.\u003c\/li\u003e\n\u003cli\u003e50% more activated carbon — helps reduce organic matter that can discolor water.\u003c\/li\u003e\n\u003cli\u003eEvenly distributed cotton — supports smooth water flow and helps prevent carbon powder leakage.\u003c\/li\u003e\n\u003cli\u003eWhite cotton-and-carbon construction — combines the two filter materials in each replacement cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRegular filter changes help maintain a clean environment in desktop aquariums. These RF-L cartridges are made for Top Fin desktop aquariums that use a Large Retreat filter, including several Easy-Clean and Premium Glass models. They are also suitable for aquarium setups housing turtles.\u003c\/p\u003e\n\u003ch3\u003eWhich aquariums and filters do these cartridges fit?\u003c\/h3\u003e\n\u003cp\u003eThey fit Top Fin Desktop Aquariums with Large Retreat Filters and the Top Fin Retreat Integrated Filter - Large. Compatible aquarium models include the 3 Gallon Easy-Clean with ColorFlow Lighting Aquarium, 5 Gallon Easy-Clean Glass Aquarium, 5 Gallon Premium Glass Aquarium, 5 Gallon Easy-Clean with ColorFlow Lighting Aquarium, and 8 Gallon Easy-Clean with ColorFlow Lighting Aquarium.\u003c\/p\u003e\n\u003cp\u003eMatch the filter type and cartridge dimensions to your aquarium before choosing a replacement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCartridge size: 7.42 x 2.67 x 0.79 in (18.85 x 6.78 x 2 cm).\u003c\/li\u003e\n\u003cli\u003eDesigned for the large Retreat filter format, not identified for other filter types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the RF-L cartridge filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge uses a three-stage filtration system with double-sided dense mesh, cotton, and activated carbon. The carbon is intended to help reduce organics that discolor water, while the evenly spread cotton helps water flow through the cartridge and helps keep carbon powder from escaping.\u003c\/p\u003e\n\u003cp\u003eThe combination is designed to support water clarity and reduce odors in the aquarium. It provides a replacement filter medium for routine aquarium maintenance rather than a standalone filter unit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter media: cotton and carbon.\u003c\/li\u003e\n\u003cli\u003eMesh: high-density and present on both sides.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you install and replace a cartridge?\u003c\/h3\u003e\n\u003cp\u003eRinse a new cartridge under cool, clean water or aquarium water, then insert it into the filter chamber. Remove the old cartridge first; the replacement slides into the compatible filter without tools.\u003c\/p\u003e\n\u003cp\u003eReplace cartridges every 2–4 weeks, adjusting the timing according to the number of fish in the tank. This eight-piece set provides multiple replacements for ongoing maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse before installation.\u003c\/li\u003e\n\u003cli\u003eUse the fish population to guide replacement timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCzarixa RF-L cartridges suit aquarium owners maintaining a compatible Top Fin desktop setup for fish or turtles and looking for replacement media with mesh, cotton, and activated carbon in one cartridge. Their specified Large Retreat fit, three-stage filtration design, and straightforward rinse-and-insert installation make them a practical match for that maintenance routine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are Czarixa RF-L filter cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Czarixa RF-L filter cartridges fit Top Fin Desktop Aquariums with Large Retreat Filters and the Top Fin Retreat Integrated Filter - Large.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Czarixa RF-L filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace Czarixa RF-L filter cartridges every 2–4 weeks, adjusting the interval according to the number of fish in your tank.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Czarixa","offers":[{"title":"Default Title","offer_id":67859075826055,"sku":"B0GFCMN1R3","price":30.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/czarixa-rf-l-filter-cartridges-front-view.jpg?v=1793468918"},{"product_id":"dniuaxz-large-turtle-tank-filter-cartridges-6-pack-with-floss-and-carbon","title":"DNIUAXZ Large Turtle Tank Filter Cartridges, 6 Pack with Floss and Carbon","description":"\u003cp\u003eDNIUAXZ large replacement filter cartridges are made for Zilla Internal Filter 40G and Large Basking Platform Filter 40G, with each cartridge measuring 6.69 x 5.51 inches (17.0 x 14.0 cm).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDual filtration media — combines floss and activated carbon to filter aquarium water.\u003c\/li\u003e\n\u003cli\u003eCoconut shell activated carbon — adsorbs 99% of impurities and odors.\u003c\/li\u003e\n\u003cli\u003eTool-free replacement — install a cartridge without using tools.\u003c\/li\u003e\n\u003cli\u003eSix cartridges per pack — provides a set of replacement filters for ongoing aquarium care.\u003c\/li\u003e\n\u003cli\u003eFour-week replacement recommendation — gives you a regular interval for changing the cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement cartridges are made for maintaining filtration in aquatic turtle habitats using the compatible Zilla filters. Their two filtration materials serve different roles: floss catches debris and residue, while activated carbon adsorbs impurities and odors. The result is filtration designed to help keep aquarium water clean and stable for turtles.\u003c\/p\u003e\u003ch3\u003eHow does the two-layer filtration work?\u003c\/h3\u003e\u003cp\u003eThe cartridge uses double-layer high-density floss alongside coconut shell activated carbon. The floss filters debris and residue from the water, and the carbon adsorbs 99% of impurities and odors. The carbon media is also intended to trap trace harmful substances, helping maintain a clean, fresh habitat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-density floss targets visible debris and residue.\u003c\/li\u003e\n\u003cli\u003eActivated carbon media is made from coconut shells.\u003c\/li\u003e\n\u003cli\u003eThe combined filtration is designed for turtle aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I install a replacement cartridge?\u003c\/h3\u003e\u003cp\u003eRinse the cartridge first, then place it in the rinse chamber with the front facing forward and seat it fully in the cavity. No tools are needed for this replacement process.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRinse before installation.\u003c\/li\u003e\n\u003cli\u003eKeep the front facing forward when inserting.\u003c\/li\u003e\n\u003cli\u003eMake sure the cartridge is fully seated.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow often should I replace the cartridge?\u003c\/h3\u003e\u003cp\u003eThe recommended replacement interval is every four weeks to help the aquarium filtration system continue running efficiently. Keeping replacement cartridges available can extend the aquarium cleaning cycle and reduce the need for frequent purchases.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse the four-week interval as the regular replacement guide.\u003c\/li\u003e\n\u003cli\u003eThe pack contains six large turtle tank filter cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDNIUAXZ replacement cartridges suit turtle keepers using either compatible Zilla 40G filter named above who want a tool-free cartridge change and a floss-and-carbon filtration setup. Each cartridge’s stated dimensions provide a direct fit check for those filter models, and the six-pack supports a regular replacement routine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with DNIUAXZ large turtle filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: DNIUAXZ large turtle filter cartridges fit the Zilla Internal Filter 40G and Large Basking Platform Filter 40G. Each cartridge measures 6.69 x 5.51 inches (17.0 x 14.0 cm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many replacement cartridges come in the DNIUAXZ pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DNIUAXZ turtle filter cartridge pack contains six large replacement cartridges for compatible Zilla 40G filters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DNIUAXZ","offers":[{"title":"Default Title","offer_id":67861080179079,"sku":"B0GLP55CQ6","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/dniaxz-turtle-filter-cartridges-front-view.jpg?v=1793471820"},{"product_id":"marina-slim-aquarium-filter-cartridges-zeolite-ceramic-6-pack-for-s10-s15-s20","title":"Marina Slim Aquarium Filter Cartridges, Zeolite \u0026 Ceramic, 6-Pack for S10\/S15\/S20","description":"\u003cp\u003eThe Marina Slim Filter Zeolite Plus Ceramic Cartridge is a disposable aquarium filter cartridge for chemical and biological filtration, combining Zeolite and Ceramitek in one unit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZeolite adsorbs toxic ammonia and is designed to reduce stress on fish.\u003c\/li\u003e\n\u003cli\u003ePorous Ceramitek ceramic provides a biological filter medium.\u003c\/li\u003e\n\u003cli\u003eSix cartridges provide replacements for your aquarium filter.\u003c\/li\u003e\n\u003cli\u003eFits Marina S10, S15, and S20 Slim Filters.\u003c\/li\u003e\n\u003cli\u003eReplace the disposable cartridge every two weeks; do not replace all filter cartridges at the same time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cartridge is made for aquarium owners looking for a straightforward replacement that combines two types of filtration. It is best used in goldfish aquariums, and its two-week replacement schedule helps set a regular filter maintenance routine.\u003c\/p\u003e\n\u003ch3\u003eHow does the cartridge filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eIt combines Zeolite for chemical filtration with Ceramitek for biological filtration. Zeolite adsorbs toxic ammonia, a benefit associated with reduced fish stress. Ceramitek is a highly porous ceramic biological filter medium that optimizes biological filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoth filter media are combined in one cartridge.\u003c\/li\u003e\n\u003cli\u003eThe cartridge provides chemical and biological filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich Marina Slim Filters does it fit?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge fits Marina S10, S15, and S20 Slim Filters. Match the model name on your filter to one of these three models when choosing a replacement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible models: S10, S15, and S20.\u003c\/li\u003e\n\u003cli\u003eDesigned for Marina Slim Filter systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen should I replace it?\u003c\/h3\u003e\n\u003cp\u003eReplace the disposable cartridge every two weeks. When changing filter cartridges, keep beneficial organisms present by avoiding replacement of all cartridges at once.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: six disposable cartridges.\u003c\/li\u003e\n\u003cli\u003eEasy-to-use cartridge format for routine replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis six-pack suits goldfish aquarium owners using a compatible Marina Slim Filter who want Zeolite and ceramic biological filtration together in one cartridge. Its model fit, two-week replacement schedule, and combined filter media make it a practical choice for a regular aquarium maintenance routine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters fit the Marina Slim Filter Zeolite Plus Ceramic Cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Marina Slim Filter Zeolite Plus Ceramic Cartridge fits Marina S10, S15, and S20 Slim Filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the Marina Slim Filter Zeolite Plus Ceramic Cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the Marina Slim Filter Zeolite Plus Ceramic Cartridge every two weeks, and do not replace all filter cartridges at the same time.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Marina","offers":[{"title":"Default Title","offer_id":67861384135047,"sku":"B06XJJSTVZ","price":34.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/marina-slim-filter-cartridge-front-view.jpg?v=1793472888"},{"product_id":"tetra-whisper-large-aquarium-filter-cartridge-3-pack-with-activated-carbon","title":"Tetra Whisper Large Aquarium Filter Cartridge, 3-Pack with Activated Carbon","description":"\u003cp\u003eTetra Whisper Large Aquarium Filter Cartridge is a large carbon replacement cartridge for Tetra power filters, designed to help keep the filter performing like new.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConvenient 3-pack — keeps replacement cartridges together.\u003c\/li\u003e\n\u003cli\u003eCoarse floss layer — removes larger debris from aquarium water.\u003c\/li\u003e\n\u003cli\u003eActivated carbon — removes odor, discoloration, impurities and toxins on contact.\u003c\/li\u003e\n\u003cli\u003eEasy-change design — makes changing the cartridge straightforward.\u003c\/li\u003e\n\u003cli\u003eLarge size — made for large Tetra filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen an aquarium filter needs a replacement cartridge, this Tetra option brings mechanical debris removal and activated-carbon filtration together in one cartridge. It is made for aquarium owners using a large Tetra power filter who want a replacement that combines a coarse floss layer with carbon rather than a floss-only cartridge. The 3-pack also keeps multiple replacements on hand.\u003c\/p\u003e\n\u003ch3\u003eWhat does the carbon cartridge remove?\u003c\/h3\u003e\n\u003cp\u003eThe coarse floss layer catches larger debris, while activated carbon removes odor, discoloration, impurities and toxins on contact. These are the two stated filtration roles of the cartridge: the floss layer handles larger particles, and the carbon addresses the listed unwanted substances. Both materials are part of the same replacement cartridge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoarse floss is the layer for larger debris.\u003c\/li\u003e\n\u003cli\u003eActivated carbon is the component for odor, discoloration, impurities and toxins.\u003c\/li\u003e\n\u003cli\u003eThe cartridge combines both functions in one filter replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes in the Tetra cartridge pack?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains three large carbon filter cartridges. Each cartridge is a replacement for a Tetra power filter, giving aquarium owners a multi-cartridge supply for future changes. The easy-change design is intended to make replacement straightforward; the product details do not provide a step-by-step installation method.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree replacement cartridges are included.\u003c\/li\u003e\n\u003cli\u003eEach cartridge has a coarse floss layer and activated carbon.\u003c\/li\u003e\n\u003cli\u003eThe product is identified as the large size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich aquarium filter is this cartridge for?\u003c\/h3\u003e\n\u003cp\u003eThis cartridge is intended for large Tetra power filters, including the Tetra Whisper Large filter named in the product title. Choose it when your filter requires a large Tetra carbon cartridge. The fit guidance here is specific to Tetra power filters; no other brands or filter sizes are identified as compatible.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter family: Tetra power filters.\u003c\/li\u003e\n\u003cli\u003eSize: large.\u003c\/li\u003e\n\u003cli\u003eType: carbon replacement cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cartridge suits aquarium owners replacing the carbon cartridge in a large Tetra power filter and looking for both coarse floss and activated-carbon filtration in one unit. It is a Tetra large-size replacement, supplied as a three-cartridge pack.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the Tetra Whisper Large Aquarium Filter Cartridge remove?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Tetra Whisper Large Aquarium Filter Cartridge uses coarse floss to remove larger debris and activated carbon to remove odor, discoloration, impurities and toxins on contact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many cartridges come in the Tetra Whisper Large Aquarium Filter Cartridge pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Tetra Whisper Large Aquarium Filter Cartridge pack contains three large carbon replacement cartridges for Tetra power filters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tetra","offers":[{"title":"Default Title","offer_id":67861473427847,"sku":"B004ZRBJ5E","price":33.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/tetra-whisper-large-cartridge-front-view.jpg?v=1793473230"},{"product_id":"deggox-aquarium-filter-cartridges-6-count-for-qf-08-and-qf-09-with-sponge-and-activated-carbon","title":"DEGGOX Aquarium Filter Cartridges, 6 Count for QF-08 and QF-09 with Sponge and Activated Carbon","description":"\u003cp\u003e\u003cstrong\u003eDEGGOX replacement filter cartridges are made for aquarium filtration, with six cartridges compatible with QF-08 and QF-09 aquarium filters.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSponge surface for aerobic bacteria — supports the conversion of ammonia and nitrite into harmless compounds.\u003c\/li\u003e\n\u003cli\u003eHigh-density biological cotton — filters suspended particles from the water.\u003c\/li\u003e\n\u003cli\u003eActivated carbon — absorbs chlorine and odor and helps restore water transparency.\u003c\/li\u003e\n\u003cli\u003eSuggested cleaning or replacement every 3–4 weeks — gives you a regular maintenance interval to follow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement elements are for aquarium owners maintaining a QF-08 or QF-09 filter. Their sponge, biological cotton and activated carbon provide different filtration functions in one cartridge, while the replaceable format supports a routine of cleaning or changing the element to help maintain clean water.\u003c\/p\u003e\u003ch3\u003eWhat does the DEGGOX cartridge filter?\u003c\/h3\u003e\u003cp\u003eThe cartridge combines sponge, high-density biological cotton and activated carbon to address different water-filtering needs. The sponge provides the largest surface for aerobic bacteria, which convert hazardous wastes such as ammonia and nitrite into harmless compounds. The biological cotton filters suspended particles, while activated carbon absorbs harmful chlorine and odor and restores water transparency.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAerobic bacteria use the sponge surface as a place to support waste conversion.\u003c\/li\u003e\n\u003cli\u003eThe biological cotton targets suspended particles.\u003c\/li\u003e\n\u003cli\u003eThe activated carbon addresses chlorine and odor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquarium filters does it fit, and how is it installed?\u003c\/h3\u003e\u003cp\u003eDEGGOX replacement filter cartridges are compatible with QF-08 and QF-09 aquarium filters. To install one, take the carbon wool filter frame from the package, wash the filter element under cool tap water, then gently slide it into the slots on both sides of the filter chamber.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePosition the sponge facing the fish tank.\u003c\/li\u003e\n\u003cli\u003eSeat the element fully in the filter chamber.\u003c\/li\u003e\n\u003cli\u003eUse the chamber’s slots on both sides to guide the element into place.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow often should I clean or replace the filter element?\u003c\/h3\u003e\u003cp\u003eClean or replace the DEGGOX filter element every 3–4 weeks as a suggested routine for maintaining clean water and healthy fish. Before installation, rinse the element under cool tap water; during fitting, make sure it is fully seated with the sponge facing the tank.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFollow the 3–4-week suggested maintenance interval.\u003c\/li\u003e\n\u003cli\u003eRinse with cool tap water before fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis six-cartridge set suits aquarium keepers using a QF-08 or QF-09 filter who want replacement media with sponge, biological cotton and activated carbon. It is designed for those filter models and a routine of rinsing, fitting, and cleaning or replacing the element every 3–4 weeks.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium filters are DEGGOX replacement cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: DEGGOX replacement filter cartridges fit QF-08 and QF-09 aquarium filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean or replace a DEGGOX aquarium filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: DEGGOX recommends cleaning or replacing the filter element every 3–4 weeks; rinse it under cool tap water before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEGGOX","offers":[{"title":"Default Title","offer_id":67861489484167,"sku":"B0CX4Z3QMN","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/deggox-aquarium-filter-cartridges-front-view.jpg?v=1793473292"},{"product_id":"ipetboom-aquarium-activated-carbon-water-filter-cube-3-93-inch-honeycomb-block","title":"Ipetboom Aquarium Activated Carbon Water Filter Cube, 3.93-Inch Honeycomb Block","description":"\u003cp\u003eIpetboom Activated Carbon Water Purifier Cube is a drop-in carbon filter for aquariums and water containers, made as a compact 3.93 in (9.98 cm) solid block with a porous honeycomb structure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-porosity activated carbon — helps adsorb odors, dirt and common water impurities.\u003c\/li\u003e\n\u003cli\u003eHoneycomb channels — increase the water-contact area across the carbon surface.\u003c\/li\u003e\n\u003cli\u003eOne-piece 3.93 in (9.98 cm) cube — convenient to place, remove and rinse.\u003c\/li\u003e\n\u003cli\u003eRinse-and-place use with no assembly — makes it straightforward to add to a water-care routine.\u003c\/li\u003e\n\u003cli\u003eFor aquariums, tanks, troughs, ponds and other water containers — suitable for indoor and outdoor applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWater containers used for fish, livestock and general water storage can benefit from activated-carbon filter media as part of routine maintenance. This cube is designed to support clearer water by helping adsorb common impurities, odors and dirt. Its use depends on having water circulation around the block, so placement in an area with good flow is part of using it as intended.\u003c\/p\u003e\u003ch3\u003eHow does the Ipetboom activated carbon cube filter water?\u003c\/h3\u003e\u003cp\u003eThe cube uses porous activated carbon to provide a large contact surface for adsorption. Its dense honeycomb channels let water reach more of that carbon surface as it circulates, making the block a practical filter-media option for everyday water-container maintenance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned to support clearer water through adsorption.\u003c\/li\u003e\n\u003cli\u003eUse it where circulating water can reach the block.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich water containers can use this carbon cube?\u003c\/h3\u003e\u003cp\u003eThe Ipetboom cube is suitable for aquariums, fish tanks, horse troughs, livestock water tanks, ponds and other water containers. Its stated applications include both indoor and outdoor water care, so it can serve different container types within those uses.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor aquarium and fish-tank filtration.\u003c\/li\u003e\n\u003cli\u003eSuitable for horse troughs and livestock water tanks.\u003c\/li\u003e\n\u003cli\u003eAlso intended for ponds and other water containers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I use and maintain the Ipetboom cube?\u003c\/h3\u003e\u003cp\u003eRinse the cube before use, then place it in an area with good water circulation; no complicated assembly is needed. The solid, one-piece block can be removed for rinsing and routine handling. Periodic maintenance is recommended, while service life can vary with water conditions, flow and the usage environment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRinse before placing it in the water.\u003c\/li\u003e\n\u003cli\u003eAllow water to circulate around the block.\u003c\/li\u003e\n\u003cli\u003ePlan periodic maintenance; the service life depends on the conditions of use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis cube suits aquarium keepers, pond users and livestock owners who want a simple activated-carbon filter medium for water containers. Its compact one-piece format and rinse-and-place use fit routine water care where the block can sit in circulating water.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I use the Ipetboom Activated Carbon Water Purifier Cube?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse the Ipetboom Activated Carbon Water Purifier Cube before use, then place it where water circulates well. No assembly is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What can the Ipetboom Activated Carbon Water Purifier Cube be used in?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Ipetboom Activated Carbon Water Purifier Cube is suitable for aquariums, fish tanks, horse troughs, livestock water tanks, ponds and other water containers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ipetboom","offers":[{"title":"Default Title","offer_id":67861560656263,"sku":"B0C61Y5Z8Z","price":34.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/ipetboom-carbon-purifier-cube-front-view.jpg?v=1793473575"},{"product_id":"yonice-aquarium-filter-cartridges-8-pack-for-aqua-tech-10-20-gallon-filters-washable-carbon","title":"Yonice Aquarium Filter Cartridges, 8-Pack for Aqua-Tech 37.9–75.7 L Filters, Washable Carbon","description":"\u003cp\u003eYonice 8-pack aquarium filter cartridges are replacement filters for Aqua-Tech 10–20 gallon power filters and AquaTech EZ-Change #2, with a three-stage design using mesh, activated carbon, and an ABS grid.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight replacement cartridges — keep a set of aquarium filter replacements ready.\u003c\/li\u003e\n\u003cli\u003eThree filtration stages — combine debris-catching mesh, activated carbon, and an ABS grid.\u003c\/li\u003e\n\u003cli\u003eCartridge size: 4.5 x 4.7 x 6 inches (11.43 x 11.94 x 15.24 cm) — compare the dimensions with your filter.\u003c\/li\u003e\n\u003cli\u003eWashable and reusable — rinse the cartridge for reuse and replace it regularly.\u003c\/li\u003e\n\u003cli\u003eNo assembly; replacement takes seconds — a straightforward filter change.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium filters collect fish waste and other debris as water passes through them. These Yonice cartridges are made for routine replacement in compatible power filters, with layered materials that capture debris and help keep aquarium water clean and clear.\u003c\/p\u003e\n\u003ch3\u003eWhich filters do these Yonice cartridges fit?\u003c\/h3\u003e\n\u003cp\u003eThey fit Aqua-Tech 10–20 gallon power filters and AquaTech EZ-Change #2 filters. Each cartridge measures 4.5 x 4.7 x 6 inches (11.43 x 11.94 x 15.24 cm), giving you a specific size to compare with your existing filter cartridge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade as a replacement aquarium filter cartridge.\u003c\/li\u003e\n\u003cli\u003eCompatibility is for the named Aqua-Tech filter types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the three-stage filtration work?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge uses mesh, activated carbon, and an ABS grid to filter aquarium water. The mesh layer catches debris and fish waste, while the activated carbon captures fine debris and particles such as dust. The ABS grid keeps the carbon in contact with the water for filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA durable sponge filter is held in place by two layers of precision cloth.\u003c\/li\u003e\n\u003cli\u003eThe layered construction helps adsorb debris as water moves through the cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you replace and care for a cartridge?\u003c\/h3\u003e\n\u003cp\u003eReplacement requires no assembly and takes seconds. Shake and rinse the cartridge, then install it in the compatible filter; the cartridge is washable and reusable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse between uses to clear collected debris.\u003c\/li\u003e\n\u003cli\u003eReplace cartridges regularly to help maintain clear aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis eight-cartridge set suits aquarium keepers using the compatible Aqua-Tech filter models who want a washable replacement with mesh, carbon, and sponge filtration. Its stated fit, defined cartridge dimensions, and rinse-and-reuse design make it suitable for routine filter changes in those aquariums.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are Yonice aquarium filter cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yonice aquarium filter cartridges fit Aqua-Tech 10–20 gallon power filters and AquaTech EZ-Change #2 filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Yonice aquarium filter cartridges be washed and reused?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Yonice aquarium filter cartridges are washable and reusable; shake and rinse them, and replace them regularly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yonice","offers":[{"title":"Default Title","offer_id":67861696446855,"sku":"B09JSJH7QN","price":32.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/yonice-aquarium-filter-cartridges-front-view.jpg?v=1793474211"},{"product_id":"yoolight-aquarium-carbon-filter-cartridges-10-pack-large-for-whisper-ex30-ex45-ex70","title":"Yoolight Aquarium Carbon Filter Cartridges, 10-Pack Large for Whisper EX30\/EX45\/EX70","description":"\u003cp\u003e\u003cstrong\u003eYoolight large carbon filter cartridges are a 10-pack of replacement media for Whisper EX30, EX45 and EX70 filters, designed to help filter aquarium water.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e10 large replacement cartridges — keep compatible replacement media on hand.\u003c\/li\u003e\n\u003cli\u003eFits Whisper EX30, EX45 and EX70 filters — choose cartridges for these filter models.\u003c\/li\u003e\n\u003cli\u003e25% more activated carbon and zeolites — helps absorb water impurities.\u003c\/li\u003e\n\u003cli\u003eDense, dual-sided mesh — provides a filtration layer across both sides.\u003c\/li\u003e\n\u003cli\u003eSoft cotton and high-density fibers — collect debris and waste while helping avoid sucking in fish.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen it is time to replace aquarium filter media, these cartridges provide a ready-to-use option for compatible Whisper EX filters. Their layered materials are designed to collect debris and absorb impurities, helping maintain clean water for fish. The pack is intended for replacement in the specified filter models, rather than as a universal cartridge.\u003c\/p\u003e\u003ch3\u003eWhich Whisper EX filters do these cartridges fit?\u003c\/h3\u003e\u003cp\u003eYoolight large carbon filter cartridges fit Whisper EX30, Whisper EX45 and Whisper EX70 filters. The 10-pack provides replacement cartridges for those compatible models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCartridge size: large.\u003c\/li\u003e\n\u003cli\u003eDesigned as replacement filter cartridges for Whisper EX filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do the cartridges filter aquarium water?\u003c\/h3\u003e\u003cp\u003eYoolight carbon filter cartridges combine mesh, carbon, zeolites and fiber materials to collect debris and absorb impurities. The dual-sided mesh is dense, while the outer layer uses soft cotton and high-density fibers; the multi-layer cotton collects debris and waste without sucking fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour-stage filtration design.\u003c\/li\u003e\n\u003cli\u003eActivated carbon and zeolites are included in the filtration media.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I install a replacement cartridge?\u003c\/h3\u003e\u003cp\u003eRinse the replacement cartridge with cold water first to remove carbon dust, then place it on the filter holder. Align the keyway at the bottom of the cartridge, insert it into the filter chamber and ensure it is fully seated.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRinse with cold water before installation.\u003c\/li\u003e\n\u003cli\u003eUse the bottom keyway to align the cartridge with the holder.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement cartridges suit aquarium keepers using a Whisper EX30, EX45 or EX70 filter who want carbon-based media with layers designed to collect waste and absorb impurities. Replace the filter cartridge to help maintain water quality; Yoolight provides a 10-pack in the large size for the compatible Whisper EX models.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with Yoolight carbon filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yoolight large carbon filter cartridges fit Whisper EX30, Whisper EX45 and Whisper EX70 filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I prepare and install a Yoolight carbon filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse the Yoolight carbon filter cartridge with cold water to remove carbon dust, align its bottom keyway with the filter holder, then insert it fully into the filter chamber.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Yoolight","offers":[{"title":"Default Title","offer_id":67861797863815,"sku":"B0DQNQT1DZ","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/yoolight-aquarium-carbon-filter-cartridges-front-view.jpg?v=1793474632"},{"product_id":"hxszk-aquarium-filter-replacement-kit-30-piece-set-with-foam-carbon-and-air-stones","title":"Hxszk Aquarium Filter Replacement Kit, 30-Piece Set with Foam, Carbon and Air Stones","description":"\u003cp\u003e\u003cstrong\u003eHxszk Filter Replacement Kit is an aftermarket aquarium filtration set designed to refresh biOrb aquarium filters, with 30 replacement pieces: 10 carbon packs, 10 foam inserts and 10 air stones.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e30-piece set — includes replacement media and air stones for routine aquarium upkeep.\u003c\/li\u003e\n\u003cli\u003eDesigned for biOrb models, including Classic and Life — made to fit compatible aquarium systems.\u003c\/li\u003e\n\u003cli\u003eMechanical, chemical and biological filtration — supports debris capture, carbon filtration and beneficial bacteria cultivation.\u003c\/li\u003e\n\u003cli\u003eAir stones are claimed to increase dissolved oxygen by 40% — adds oxygen circulation to compatible aquariums.\u003c\/li\u003e\n\u003cli\u003ePre-cut inserts and a tool-free swap — makes filter-media changes straightforward.\u003c\/li\u003e\n\u003cli\u003eRecyclable, non-toxic materials, including recycled materials — gives the set an environmental-materials focus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit is for aquarium keepers who need replacement filtration components for a biOrb-compatible system. It combines foam and carbon media with air stones, so one set covers several routine maintenance needs. Hxszk is an aftermarket maker; the kit is not manufactured by the original biOrb brand.\u003c\/p\u003e\n\u003ch3\u003eWhat comes in the Hxszk replacement kit?\u003c\/h3\u003e\n\u003cp\u003eThe set contains 10 carbon filter packs, 10 foam inserts and 10 air stones. The foam and carbon media serve different filtration roles: foam traps debris, while activated carbon is intended to remove toxins. In the wider three-stage filtration approach, biological filtration relies on bio rings that cultivate beneficial bacteria; the listed kit contents are the carbon packs, foam inserts and air stones.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTen carbon packs for the chemical-filtration stage.\u003c\/li\u003e\n\u003cli\u003eTen foam inserts for mechanical debris capture.\u003c\/li\u003e\n\u003cli\u003eTen air stones for oxygen circulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich biOrb aquariums is this filter kit made for?\u003c\/h3\u003e\n\u003cp\u003eHxszk designed the replacement components for biOrb aquarium systems, including Classic and Life models, and identifies them as compatible with all biOrb models. The kit is an aftermarket option rather than a product manufactured by biOrb. Check that your aquarium is a biOrb model before choosing this set.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFoam inserts are pre-cut for biOrb filtration chambers.\u003c\/li\u003e\n\u003cli\u003eThe components are intended for use in compatible biOrb systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow often should I replace the media, and how does it install?\u003c\/h3\u003e\n\u003cp\u003eReplace the filter media every 4–6 weeks; the care tip recommends changing it every 4 weeks. The pre-cut pieces swap in without tools, and the air stones are included as part of the set. The care guidance also recommends monthly water changes of 25%.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe brand claims visible water-clarity improvement within 48 hours under its “Crystal Water Guarantee.”\u003c\/li\u003e\n\u003cli\u003eThe air stones are intended to create gentle bubble streams while increasing oxygen circulation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set suits biOrb aquarium owners looking for carbon and foam replacements alongside air stones, with pre-cut components for routine filter maintenance. It is an aftermarket kit for compatible biOrb systems, not an original biOrb-manufactured product.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquariums is the Hxszk Filter Replacement Kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Hxszk Filter Replacement Kit is designed for biOrb aquarium systems, including Classic and Life models. It is an aftermarket product, not manufactured by the original biOrb brand.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the Hxszk Filter Replacement Kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Hxszk Filter Replacement Kit contains 10 carbon filter packs, 10 foam inserts and 10 air stones.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hxszk","offers":[{"title":"Default Title","offer_id":67861926248839,"sku":"B0FDQ5DWB5","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hxszk-filter-replacement-kit-full-set.jpg?v=1793475182"},{"product_id":"leadcon-aquarium-filter-cartridges-6-pack-for-aqua-tech-ez-change-3-with-carbon","title":"LeadCon Aquarium Filter Cartridges, 6 Pack for Aqua-Tech EZ-Change #3 with Carbon","description":"\u003cp\u003eLeadCon 6 Pack Replacement Aquarium Filter Cartridges are designed to filter aquarium water in compatible Aqua-Tech EZ-Change #3 power filters, including 20-40 and 30-60 gallon models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoarse floss captures large particles to help remove visible debris.\u003c\/li\u003e\n\u003cli\u003eActivated carbon traps dirt and removes impurities from aquarium water.\u003c\/li\u003e\n\u003cli\u003eA molded, ribbed back provides maximum water-to-carbon contact.\u003c\/li\u003e\n\u003cli\u003eWashable and reusable cartridges can be rinsed and used again.\u003c\/li\u003e\n\u003cli\u003eSix replacement cartridges provide a ready supply for routine filter changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese cartridges are for aquarium owners replacing a used or dirty cartridge in a compatible Aqua-Tech power filter. The floss and carbon provide two filtration functions in one replacement cartridge, while the ribbed backing is designed to bring water into contact with the carbon. The pack is suited to routine filter upkeep, with replacement frequency adjusted to how the aquarium filter is used.\u003c\/p\u003e\n\u003ch3\u003eWhich power filters fit these LeadCon cartridges?\u003c\/h3\u003e\n\u003cp\u003eLeadCon Replacement Aquarium Filter Cartridges fit Aqua-Tech EZ-Change #3 filters and are replacements for 20-40 and 30-60 gallon aquarium power filters. Each cartridge measures 5.3 × 5.7 × 6 inches (13.46 × 14.48 × 15.24 cm), a useful measurement to compare with the cartridge space in your filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible filter type: Aqua-Tech EZ-Change #3.\u003c\/li\u003e\n\u003cli\u003eFor 20-40 and 30-60 gallon aquarium power filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the cartridge filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe coarse floss catches larger particles, and activated carbon traps dirt and removes impurities. Together, these materials provide the cartridge’s filtration, while its molded ribbed back is shaped to maximize contact between water and carbon. This combination brings mechanical particle capture and carbon filtration into one replacement component.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoarse floss is the particle-catching layer.\u003c\/li\u003e\n\u003cli\u003eActivated carbon is the dirt-trapping and impurity-removing material.\u003c\/li\u003e\n\u003cli\u003eThe ribbed backing increases water-to-carbon contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you replace and care for a LeadCon cartridge?\u003c\/h3\u003e\n\u003cp\u003eRemove the older, dirty cartridge and put the replacement in its place; the switch is designed to take less than five minutes. LeadCon cartridges are washable and reusable, so they can be shaken and rinsed. For optimal performance, replace the cartridge every 2 to 4 weeks or 10 to 12 times per year, depending on usage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement is a simple swap for the old cartridge.\u003c\/li\u003e\n\u003cli\u003eRinse and shake the cartridge when reusing it.\u003c\/li\u003e\n\u003cli\u003eChoose the replacement interval based on filter usage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLeadCon’s six-cartridge set is suited to aquarium keepers using the compatible Aqua-Tech filter models who want replacement media with coarse floss and activated carbon in one cartridge. Its fit is for Aqua-Tech EZ-Change #3 and the specified 20-40 and 30-60 gallon power filters, with maintenance planned around the recommended replacement interval.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with LeadCon Replacement Aquarium Filter Cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: LeadCon Replacement Aquarium Filter Cartridges fit Aqua-Tech EZ-Change #3 and replace cartridges in 20-40 and 30-60 gallon aquarium power filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should LeadCon Replacement Aquarium Filter Cartridges be changed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace LeadCon Replacement Aquarium Filter Cartridges every 2 to 4 weeks or 10 to 12 times per year for optimal performance, depending on usage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LeadCon","offers":[{"title":"Default Title","offer_id":67861999026567,"sku":"B0B6VHNHNN","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/leadcon-aquarium-filter-cartridge-front_709cf434-8df6-4680-81e5-4f3fc982ec25.jpg?v=1793475522"},{"product_id":"oase-aquarium-carbon-pre-filter-foam-6-black-pieces-for-biomaster-250-350-600","title":"OASE Aquarium Carbon Pre-Filter Foam, 6 Black Pieces for BioMaster 250, 350 \u0026 600","description":"\u003cp\u003eOASE Indoor Aquatics Carbon Pre-Filter Foam Set provides six activated-carbon replacement foams to help filter aquarium water in BioMaster 250, 350, and 600 units.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSix carbon replacement foams — keep replacement media on hand for your compatible filter.\u003c\/li\u003e\n\u003cli\u003eFits BioMaster 250, 350, and 600 — choose the set for these filter models.\u003c\/li\u003e\n\u003cli\u003eActivated carbon absorbs unwanted substances — including medication residues in aquarium water.\u003c\/li\u003e\n\u003cli\u003eCombine with coarse and fine foams — tailor the foam selection to your aquarium’s filtration needs.\u003c\/li\u003e\n\u003cli\u003eFoam format — makes replacement simpler than common granular carbon forms.\u003c\/li\u003e\n\u003cli\u003eSupports safe regulation of pH and water hardness — adds a carbon filtration option for aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen aquarium water needs carbon filtration, this replacement set gives BioMaster owners a foam-based option for their filter. Activated carbon works by absorbing unwanted substances, while its foam format offers a simpler replacement process than common granular forms. The timing for replacing the pre-filter foams depends on the aquarium and how the filter performs over time.\u003c\/p\u003e\n\u003ch3\u003eWhat does the activated-carbon foam do in an aquarium filter?\u003c\/h3\u003e\n\u003cp\u003eThe OASE Indoor Aquatics carbon pre-filter foam absorbs unwanted substances from aquarium water, including medication residues. Carbon filtration transforms unpleasant substances without endangering aquarium inhabitants, and the foam also supports safe regulation of pH and water hardness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for aquarium filtration, not for use as loose granular carbon.\u003c\/li\u003e\n\u003cli\u003eCombines carbon filtration with a foam format for filter-media replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich BioMaster models fit this foam set?\u003c\/h3\u003e\n\u003cp\u003eThe OASE Indoor Aquatics Carbon Pre-Filter Foam Set is made for BioMaster 250, BioMaster 350, and BioMaster 600 filters. Match the model name on your filter to one of these three sizes before choosing the set; the foams are black.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible models: BioMaster 250, 350, and 600.\u003c\/li\u003e\n\u003cli\u003eSet contents: six carbon replacement filter foams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow can I choose when to replace the pre-filter foams?\u003c\/h3\u003e\n\u003cp\u003eFor the OASE Indoor Aquatics carbon pre-filter foam, replacement timing varies with aquarium size, fish and plant numbers, and declining filter performance. The set can be used as part of a customized foam selection: combine carbon foam with coarse and fine filter foams to suit the aquarium’s filtration needs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsider aquarium size and the number of fish and plants when assessing replacement timing.\u003c\/li\u003e\n\u003cli\u003eDeclining filter performance is another factor in deciding when to replace the foam.\u003c\/li\u003e\n\u003cli\u003ePair carbon, coarse, and fine foams according to your filtration needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set suits BioMaster 250, 350, and 600 owners who want activated-carbon foam for aquarium filtration and a replacement format that is simpler to handle than common granular forms. Its six foams provide carbon media for a compatible filter, with replacement timing guided by aquarium conditions and filter performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with the OASE Carbon Pre-Filter Foam Set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The OASE Carbon Pre-Filter Foam Set fits BioMaster 250, BioMaster 350, and BioMaster 600 filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the OASE Carbon Pre-Filter Foam Set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The OASE Carbon Pre-Filter Foam Set contains six activated-carbon replacement filter foams for aquarium filtration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OASE","offers":[{"title":"Default Title","offer_id":67862112534919,"sku":"B07HCLQ9K7","price":31.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/oase-carbon-prefilter-foam-set-front.jpg?v=1793475901"},{"product_id":"turchongeco-aquarium-filter-cartridges-for-whisper-3i-8-pack-3-layer-cotton-carbon-zeolite","title":"Turchongeco Aquarium Filter Cartridges for Whisper 3i, 8 Pack, 3-Layer Cotton, Carbon \u0026 Zeolite","description":"\u003cp\u003e\u003cstrong\u003eTurchongeco Aquarium Filter Cartridges are replacement pads for compatible Tetra Whisper 3i internal fish tank filters, with a three-layer design made with filter cotton, activated carbon and zeolite to help keep aquarium water clear.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Whisper 3i internal filters — fits the filter’s shape and size for smooth water flow.\u003c\/li\u003e\n\u003cli\u003eHelps remove impurities, odors and discoloration — supports clear, odor-free aquarium water.\u003c\/li\u003e\n\u003cli\u003eTool-free replacement — swap out a used cartridge by hand.\u003c\/li\u003e\n\u003cli\u003eEight cartridges per pack — provides a supply for routine filter maintenance.\u003c\/li\u003e\n\u003cli\u003eSuggested replacement interval of 2–4 weeks — helps maintain filtration performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese replacement cartridges are made for aquarium keepers who want a straightforward way to maintain filtration in a Whisper 3i internal filter. Their layered media targets debris and unwanted substances in aquarium water, while the cartridge shape is designed to sit snugly in the compatible filter. They are a replacement option, not an OEM product.\u003c\/p\u003e\n\u003ch3\u003eHow does the three-layer filter pad work?\u003c\/h3\u003e\n\u003cp\u003eThe filter pad combines dense cotton with activated carbon and zeolite to capture debris and address odors and harmful substances. The cotton is the debris-trapping layer, while carbon and zeolite sit in the middle layer. The cartridge also helps reduce impurities and water discoloration, supporting a stable environment for fish and aquatic plants.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe three media types are combined in each cartridge.\u003c\/li\u003e\n\u003cli\u003eFiltration is intended to address both particles and unwanted odors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWill these cartridges fit my aquarium filter?\u003c\/h3\u003e\n\u003cp\u003eThey are designed to match the shape and size of Tetra Whisper 3i internal aquarium filters. A snug fit supports smooth water flow through the filter during use. These cartridges are compatible replacements, but they are not made as an OEM product.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility is specifically for Whisper 3i internal filters.\u003c\/li\u003e\n\u003cli\u003eChoose these for the named filter model rather than assuming a universal fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I replace a cartridge, and how often?\u003c\/h3\u003e\n\u003cp\u003eRemove the old cartridge and insert a new one; no tools are required. Replacing the pad every 2–4 weeks is recommended for optimal filtration performance. Regular changes help keep the filter operating efficiently and maintain consistent water flow.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe replacement process is a direct remove-and-insert swap.\u003c\/li\u003e\n\u003cli\u003eThe pack contains eight replacement cartridges for ongoing upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTurchongeco Aquarium Filter Cartridges suit fish keepers using a Tetra Whisper 3i internal filter who want a tool-free replacement with layered media for routine aquarium filtration. Their model-specific fit, three-layer construction and eight-cartridge pack make them a practical choice for scheduled filter maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium filter do Turchongeco Aquarium Filter Cartridges fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Turchongeco Aquarium Filter Cartridges are designed to fit the shape and size of Tetra Whisper 3i internal aquarium filters. They are compatible replacements, not OEM products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Turchongeco Aquarium Filter Cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace Turchongeco Aquarium Filter Cartridges every 2–4 weeks for optimal filtration performance. Remove the used cartridge and insert a new one without tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Turchongeco","offers":[{"title":"Default Title","offer_id":67862133899655,"sku":"B0FQ68PN7P","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/turchongeco-aquarium-filter-cartridges-front-view.jpg?v=1793476023"},{"product_id":"acurel-llc-activated-aquarium-filter-carbon-pellets-3-lb-pre-washed-for-freshwater-saltwater","title":"Acurel LLC Activated Aquarium Filter Carbon Pellets, 1.36 kg, Pre-Washed for Freshwater \u0026 Saltwater","description":"\u003cp\u003e\u003cstrong\u003eAcurel LLC Economy Activated Filter Carbon Pellets are aquarium filter media for absorbing waste and organic compounds in freshwater and saltwater aquariums, supplied in a 3-pound quantity.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-pound quantity — provides a supply of pelletized carbon for aquarium filtration.\u003c\/li\u003e\n\u003cli\u003eFor freshwater and saltwater aquariums — suitable for both types of aquatic setups.\u003c\/li\u003e\n\u003cli\u003eCompatible with all filters — designed for use across filter types.\u003c\/li\u003e\n\u003cli\u003ePre-washed pellets — arrive pre-washed for aquarium use.\u003c\/li\u003e\n\u003cli\u003eLarge absorption pores — help remove organic compounds and dissolved organics.\u003c\/li\u003e\n\u003cli\u003eAbsorbs toxic waste and helps prevent harmful gas buildup — supports aquarium filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium water filtration involves addressing dissolved material as well as visible debris. This activated carbon media is made for aquarium keepers who want pelletized carbon as part of a filter setup, whether they maintain freshwater or saltwater aquariums. Its stated role is to absorb toxic waste, help prevent harmful gases from building up, and remove organic compounds from the water.\u003c\/p\u003e\n\u003ch3\u003eWhat does Acurel LLC activated filter carbon do in an aquarium?\u003c\/h3\u003e\n\u003cp\u003eAcurel LLC Economy Activated Filter Carbon Pellets absorb toxic waste and are designed to help prevent the buildup of harmful gases. The carbon has large absorption pores, which are important to its role in removing organic compounds and dissolved organics. This makes it a filter media option focused on dissolved material, rather than a product presented as a way to add décor or change an aquarium’s appearance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePelletized activated carbon for aquarium filtration.\u003c\/li\u003e\n\u003cli\u003eLarge pores provide the stated basis for organic-compound absorption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan these carbon pellets be used in freshwater, saltwater, and different filters?\u003c\/h3\u003e\n\u003cp\u003eYes. Acurel LLC Economy Activated Filter Carbon Pellets are suitable for freshwater and saltwater aquariums and are described as suitable for all filters. They are intended for aquarium filtration in either type of water, giving keepers a carbon media option across those setups.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade for both fresh and salt water aquatics.\u003c\/li\u003e\n\u003cli\u003eSuitable for all filter types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is included, and are the pellets pre-washed?\u003c\/h3\u003e\n\u003cp\u003eAcurel LLC Economy Activated Filter Carbon Pellets come in a 3-pound quantity, and the pellets are pre-washed. Their pelletized form identifies the carbon media supplied; the product is intended for use in aquarium filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuantity: 3 pounds.\u003c\/li\u003e\n\u003cli\u003ePre-washed before aquarium use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis carbon media suits aquarium keepers looking for pelletized filtration carbon for either freshwater or saltwater aquariums, including setups using different filter types. It is a focused choice for aquarium filtration, with large absorption pores and a pre-washed, 3-pound pellet supply.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Acurel LLC Economy Activated Filter Carbon Pellets be used in freshwater and saltwater aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Acurel LLC Economy Activated Filter Carbon Pellets are suitable for both freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much Acurel LLC Economy Activated Filter Carbon is included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Acurel LLC Economy Activated Filter Carbon Pellets are supplied in a 3-pound quantity, and the pellets are pre-washed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Acurel LLC","offers":[{"title":"Default Title","offer_id":67862152970631,"sku":"B000YIWT0M","price":47.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/acurel-llc-activated-filter-carbon-pellets-product-view.jpg?v=1793476084"},{"product_id":"hagen-marina-i25-aquarium-filter-cartridges-6-pack-with-zeolite-and-carbon-filtration","title":"Hagen Marina I25 Aquarium Filter Cartridges, 6-Pack with Zeolite and Carbon Filtration","description":"\u003cp\u003e\u003cstrong\u003eHagen Marina I25 replacement cartridges are made for the Marina I25 internal filter, with a layered filtration path designed to help keep aquarium water clear.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade specifically for the Marina I25 internal filter — matches this filter model.\u003c\/li\u003e\n\u003cli\u003eZeolite chamber — removes toxic ammonia as water enters the cartridge.\u003c\/li\u003e\n\u003cli\u003eActivated carbon chamber — removes pollutants and odors from the water.\u003c\/li\u003e\n\u003cli\u003eWadding layer — retains dust and dirt during filtration.\u003c\/li\u003e\n\u003cli\u003eThree packs of two cartridges; replace every four weeks — makes it easier to plan cartridge changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilter media needs regular replacement to keep the filtration process working as intended. These cartridges are designed for aquarium owners using the Marina I25 internal filter who want replacement media with a defined route for water through the cartridge. That route moves water through different filtration materials in sequence, rather than sending it through a single layer.\u003c\/p\u003e\n\u003ch3\u003eWhich filter do these cartridges fit?\u003c\/h3\u003e\n\u003cp\u003eHagen Marina I25 cartridges are manufactured specifically for the Marina I25 internal filter. This model-specific fit makes them the replacement cartridge option for that filter. The cartridges are intended for use with the Marina I25, not as a universal filter cartridge. Match the filter model before choosing them so the replacement media suits your equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible filter: Marina I25 internal filter.\u003c\/li\u003e\n\u003cli\u003eDesigned as a replacement cartridge for that model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the cartridge filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eWater enters through the cartridge center and passes through three media stages in sequence. First, it flows through the zeolite chamber, which removes toxic ammonia. Next, the activated carbon chamber removes pollutants and odors. Finally, the wadding retains dust and dirt. Hagen’s specified flow system is designed to result in crystal clear water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWater flows from the center through the media stages.\u003c\/li\u003e\n\u003cli\u003eZeolite, activated carbon, and wadding each perform a different filtration role.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many cartridges are included, and when should they be changed?\u003c\/h3\u003e\n\u003cp\u003eThe product is supplied as three packs of two cartridges, with two cartridges in each pack. For best results, replace a cartridge every four weeks. This gives Marina I25 owners a clear replacement interval to follow as part of maintaining their filter’s cartridge-based filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack format: three packs, each containing two cartridges.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement interval: every four weeks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese replacement cartridges suit aquarium owners who use the Marina I25 internal filter and want its filtration to pass through zeolite, activated carbon, and wadding. They are made for that specific filter model and come in three two-cartridge packs, with a four-week replacement interval.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filter is compatible with Hagen Marina I25 replacement cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Hagen Marina I25 replacement cartridges are made specifically for the Marina I25 internal filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Hagen Marina I25 cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: For best results, replace Hagen Marina I25 cartridges every four weeks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hagen","offers":[{"title":"Default Title","offer_id":67862155592071,"sku":"B00I5IXZAQ","price":31.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hagen-marina-i25-cartridges-package-front.jpg?v=1793476109"},{"product_id":"yanhe-activated-carbon-aquarium-filter-cubes-2-pack-4-x-4-x-2-in-800-mg-g-adsorption","title":"Yanhe Activated Carbon Aquarium Filter Cubes, 2-Pack, 4 x 4 x 2 in, 800 mg\/g Adsorption","description":"\u003cp\u003e\u003cstrong\u003eYanhe Activated Carbon Purifier Cubes are a two-piece filter for horse troughs, livestock tanks, aquariums and other listed water applications, with a 4 × 4 × 2 in cube size and 800 mg\/g iodine adsorption.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo activated-carbon cubes — provides filter material for water systems.\u003c\/li\u003e\n\u003cli\u003e800 mg\/g iodine adsorption versus 400 mg\/g — the product claims 100% improved purification efficiency over the stated comparison.\u003c\/li\u003e\n\u003cli\u003e10% greater hardness — designed to resist crushing underwater.\u003c\/li\u003e\n\u003cli\u003eWater use in troughs, livestock tanks and aquariums — supports filtration across these settings.\u003c\/li\u003e\n\u003cli\u003eGrid-up positioning near an inlet pump — helps prevent clogging during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese cubes are made for water sources that need activated-carbon filtration, from animal drinking troughs to fish tanks and aquatic habitats. The product also lists waste-gas and air purification, including formaldehyde removal, as applications. Its use across water systems makes it relevant to livestock keepers and aquarium owners seeking a cube-style filter rather than loose carbon media.\u003c\/p\u003e\n\u003ch3\u003eWhat can Yanhe Activated Carbon Purifier Cubes be used for?\u003c\/h3\u003e\n\u003cp\u003eYanhe Activated Carbon Purifier Cubes are intended for horse troughs, livestock tanks, aquariums, fish tanks and aquatic habitats. The product also identifies waste-gas and air purification, including formaldehyde removal, as uses. Its activated-carbon pellet filter format offers an alternative to using loose filter material.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade for water sources used by horses and other livestock.\u003c\/li\u003e\n\u003cli\u003eSuitable for aquarium and aquatic-habitat applications.\u003c\/li\u003e\n\u003cli\u003eAlso identified for waste-gas and air purification uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow should I position and maintain the cubes?\u003c\/h3\u003e\n\u003cp\u003eFor water filtration, immerse the cubes and place them near the water inlet pump with the grid facing upward. Do not point the grid downward, as this can cause clogging. Rinse or replace the cubes every 90 days for the stated maintenance interval.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse the grid-up orientation.\u003c\/li\u003e\n\u003cli\u003eKeep the cubes near the inlet pump.\u003c\/li\u003e\n\u003cli\u003eRinse or replace every 90 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many cubes are included, and what size are they?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains two cubes, with feature dimensions of 4 × 4 × 2 in (10.2 × 10.2 × 5.1 cm). The product title also gives a 10 × 10 in size, so the two size descriptions differ; use the stated 4 × 4 × 2 in dimensions when comparing the cube’s fit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: two purifier cubes.\u003c\/li\u003e\n\u003cli\u003eActivated-carbon pellet filter construction.\u003c\/li\u003e\n\u003cli\u003eFeature dimensions: 4 × 4 × 2 in (10.2 × 10.2 × 5.1 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe cubes are described as non-toxic and eco-friendly, with filtration intended to leave no chemical residues. Their increased hardness is designed to help them resist underwater crushing. Yanhe Activated Carbon Purifier Cubes suit animal-water and aquarium setups that use an immersed, grid-faced filter cube, as well as the listed air-purification applications. They are a two-cube activated-carbon filter format with a stated 90-day rinse-or-replace interval.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where can I use Yanhe Activated Carbon Purifier Cubes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yanhe Activated Carbon Purifier Cubes are intended for horse troughs, livestock tanks, aquariums and aquatic habitats, and are also identified for waste-gas and air purification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I position Yanhe Activated Carbon Purifier Cubes in water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Immerse Yanhe Activated Carbon Purifier Cubes near the water inlet pump with the grid facing upward; rinse or replace them every 90 days.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"yanhe","offers":[{"title":"Default Title","offer_id":67862253011335,"sku":"B0B417G4QR","price":32.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/yanhe-carbon-purifier-cube-front-view.jpg?v=1793476418"},{"product_id":"ioaoi-aquarium-filter-media-resin-5-x-100-ml-puriresin-for-clearer-water","title":"IOAOI Aquarium Filter Media Resin, 5 x 100 ml PuriResin for Clearer Water","description":"\u003cp\u003e\u003cstrong\u003eIOAOI PuriResin is an organic aquarium filtration resin designed to remove water impurities, supplied as five 100 ml packs for freshwater and saltwater tanks.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor freshwater and saltwater aquariums — suitable for tanks with fish, corals, and plants.\u003c\/li\u003e\n\u003cli\u003eAdsorbs nitrogenous compounds and waste from fish, corals, and plants — helping keep aquarium water clear.\u003c\/li\u003e\n\u003cli\u003eTargets soluble and insoluble impurities, including driftwood tannins — supporting clearer water.\u003c\/li\u003e\n\u003cli\u003eSpherical, macroreticular resin with microscopic pores — provides more contactable surface area than most spherical resins.\u003c\/li\u003e\n\u003cli\u003eRegenerable when exhausted using bleach and water — the resin darkens as it adsorbs waste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium water can collect dissolved and suspended impurities from its inhabitants and décor. IOAOI PuriResin is made for aquarists looking for filtration media that addresses these impurities, including tannins released by driftwood. Its stated application covers tanks with fish, corals, or plants, across both freshwater and saltwater setups.\u003c\/p\u003e\n\u003ch3\u003eWhat impurities does IOAOI PuriResin target?\u003c\/h3\u003e\n\u003cp\u003eIOAOI PuriResin is designed to remove nitrogenous compounds and waste produced by fish, corals, and plants. It also targets driftwood tannins and other soluble and insoluble impurities in aquarium water. Its filtration function is aimed at making water crystal clear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor waste generated by fish, corals, and plants.\u003c\/li\u003e\n\u003cli\u003eFor soluble and insoluble water impurities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow is this resin different from ordinary spherical media?\u003c\/h3\u003e\n\u003cp\u003eIOAOI PuriResin uses a macro-porous synthetic polymer, rather than a mixture of ion exchangers or adsorbents. Its spherical, macroreticular form contains microscopic pores that increase contactable surface area compared with most spherical resin. This structure is the basis of its adsorption approach.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade from synthetic polymer.\u003c\/li\u003e\n\u003cli\u003eMicroscopic pores within a spherical, macroreticular structure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I use and regenerate IOAOI PuriResin?\u003c\/h3\u003e\n\u003cp\u003eRinse IOAOI PuriResin before use. During adsorption, its color changes from light yellow to dark brown or even black; when exhausted, it can be regenerated with a bleach-and-water solution. Some slime coat products may permanently foul the resin and make regeneration difficult, so account for that when choosing it for your tank.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDo not reuse the resin if you can detect a bleach or chlorine odor.\u003c\/li\u003e\n\u003cli\u003eFor a chlorine safety test, submerge the resin in a small quantity of water and test that water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is included, and what aquarium setups is it for?\u003c\/h3\u003e\n\u003cp\u003eThe package contains five 100 ml packs of IOAOI PuriResin. The media is intended for freshwater and saltwater fish tanks and is suitable for all stages.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFive packs, each containing 100 ml.\u003c\/li\u003e\n\u003cli\u003eRinse before placing the media into use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIOAOI PuriResin suits aquarists who want resin media for aquarium impurities, including driftwood tannins, and who are prepared to follow its rinse and chlorine-safety guidance. It is intended for freshwater and saltwater tanks and comes in five 100 ml packs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much IOAOI PuriResin aquarium filter media comes in a pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: IOAOI PuriResin aquarium filter media comes as five packs, with 100 ml of resin in each pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I rinse IOAOI PuriResin aquarium filter media before use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Rinse IOAOI PuriResin aquarium filter media before use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IOAOI","offers":[{"title":"Default Title","offer_id":67862276735367,"sku":"B0CLLKP7GB","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/ioaoi-puriresin-aquarium-filter-media-packs.jpg?v=1793476545"},{"product_id":"zoo-med-turtle-clean-50-75-activated-carbon-filter-inserts-2-pack","title":"Zoo Med Turtle Clean 50\/75 Activated Carbon Filter Inserts, 2-Pack","description":"\u003cp\u003e\u003cstrong\u003eZoo Med Turtle Clean 50\/75 Activated Carbon Inserts are replacement filter media for Turtle Clean 50\/75 External Canister Filters, supplied as two inserts to help improve water clarity and odor in aquatic turtle habitats.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo inserts in each pack — provides replacement carbon media for your filter.\u003c\/li\u003e\n\u003cli\u003eFits Zoo Med Turtle Clean 50\/75 External Canister Filters — made for this specific filter system.\u003c\/li\u003e\n\u003cli\u003eActivated carbon absorbs harmful organics — helps support cleaner habitat water.\u003c\/li\u003e\n\u003cli\u003eHelps improve water clarity and odor — supports clearer, less odorous water in an aquatic turtle habitat.\u003c\/li\u003e\n\u003cli\u003eCarbon absorbs ammonia waste — supports the filter system’s role in reducing ammonia levels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWater quality is an important part of caring for aquatic turtles. This replacement media is made for the Turtle Clean 50\/75 filter system and is intended for use in an aquatic turtle habitat or terrarium where filtration helps manage waste and maintain water clarity.\u003c\/p\u003e\n\u003ch3\u003eWhat does the activated carbon do?\u003c\/h3\u003e\n\u003cp\u003eThe carbon absorbs harmful organics from the water and helps improve clarity and odor. It is also made to absorb ammonia waste, supporting the filter system in reducing ammonia levels in an aquatic turtle habitat.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned as a component of an aquatic habitat’s filtration system.\u003c\/li\u003e\n\u003cli\u003eCombines organic absorption with support for ammonia waste absorption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich filter is this replacement media made for?\u003c\/h3\u003e\n\u003cp\u003eThese inserts are replacement filter media for Zoo Med Turtle Clean 50\/75 External Canister Filters. Choose them for a Turtle Clean 50\/75 setup; the product is intended for that filter model range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Zoo Med Turtle Clean 50\/75 External Canister Filters.\u003c\/li\u003e\n\u003cli\u003eSupplied as two replacement inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many inserts come in the pack?\u003c\/h3\u003e\n\u003cp\u003eEach pack contains two activated carbon inserts. The media is made from carbon selected for absorption, including ammonia waste, and is intended to work as part of the filter system rather than as a standalone habitat-care product.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo inserts per pack.\u003c\/li\u003e\n\u003cli\u003eReplacement filter media for aquatic turtle habitats.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eZoo Med Turtle Clean 50\/75 Activated Carbon Inserts suit aquatic turtle keepers maintaining a compatible external canister filter and looking for carbon media that absorbs harmful organics and ammonia waste. Their two-insert pack is made specifically for the Turtle Clean 50\/75 filter range.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filter is compatible with Zoo Med Turtle Clean 50\/75 Activated Carbon Inserts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Zoo Med Turtle Clean 50\/75 Activated Carbon Inserts are replacement media for Zoo Med Turtle Clean 50\/75 External Canister Filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many Zoo Med Turtle Clean 50\/75 Activated Carbon Inserts are included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each pack of Zoo Med Turtle Clean 50\/75 Activated Carbon Inserts contains two inserts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Zoo Med","offers":[{"title":"Default Title","offer_id":67862385525127,"sku":"B00E5FMY2S","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/zoo-med-turtle-clean-carbon-inserts-front-view.jpg?v=1793476996"},{"product_id":"pewyoke-rite-size-b-aquarium-filter-cartridges-9-pack-with-carbon-filtration","title":"pewyoke Rite-Size B Aquarium Filter Cartridges, 9-Pack with Carbon Filtration","description":"\u003cp\u003e\u003cstrong\u003epewyoke Rite-Size B aquarium filter cartridges are a 9-pack replacement designed to filter aquarium water with mechanical and carbon media.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits PRO Power Filters 100\/125\/175 and Power Filter 150 — choose a cartridge made for these specific filters.\u003c\/li\u003e\n\u003cli\u003eTwo-stage mechanical and carbon filtration — traps debris and removes odors and discoloration.\u003c\/li\u003e\n\u003cli\u003eSnap-in, tool-free replacement — change a cartridge without tools or a messy installation.\u003c\/li\u003e\n\u003cli\u003eDesigned for 4–6 weeks of use — plan aquarium filter maintenance around this replacement interval.\u003c\/li\u003e\n\u003cli\u003eNon-toxic materials for freshwater and saltwater tanks — suitable for fish, plants, and invertebrates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese replacement cartridges are made for aquarium owners who need to maintain filtration in a compatible power filter. Their mechanical and carbon media address different parts of water filtration, while the snap-in design makes cartridge changes straightforward for new and experienced aquarists. The pack provides nine replacement cartridges for ongoing aquarium maintenance.\u003c\/p\u003e\n\u003ch3\u003eWhich filters do these Rite-Size B cartridges fit?\u003c\/h3\u003e\n\u003cp\u003epewyoke Rite-Size B cartridges are made to fit PRO Power Filters 100, 125, and 175, as well as Power Filter 150. They are direct replacements for those specific models, with a fit designed to seal without modifications. Match your filter model to this list before choosing these cartridges.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible models: PRO Power Filters 100\/125\/175 and Power Filter 150.\u003c\/li\u003e\n\u003cli\u003eDirect replacement design; no modifications are needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do the two filtration stages work?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge combines mechanical media with carbon to handle debris and water odors or discoloration. Mechanical filtration traps debris, while the carbon stage removes odors and discoloration. High-density media is designed to maintain filtration efficiency during its 4–6 weeks of use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical media traps debris in the aquarium water.\u003c\/li\u003e\n\u003cli\u003eCarbon media targets odors and discoloration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you replace a cartridge, and what tanks is it for?\u003c\/h3\u003e\n\u003cp\u003epewyoke Rite-Size B cartridges use a snap-in design for tool-free installation, with a replacement taking about 30 seconds. The materials are identified as non-toxic for freshwater and saltwater aquarium use, including tanks with fish, plants, and invertebrates. Replace the cartridge as part of your regular filter maintenance, using the stated 4–6 week period as a guide.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSnap-in installation requires no tools.\u003c\/li\u003e\n\u003cli\u003eIntended for freshwater and saltwater tanks with fish, plants, or invertebrates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cartridge pack suits aquarists maintaining one of the compatible PRO Power Filter models who want a replacement with both mechanical and carbon filtration. Its model-specific fit, tool-free installation, and nine-cartridge quantity make it suited to routine aquarium filter changes. It is designed for the listed filters rather than for unspecified filter models.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with peみoke Rite-Size B aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: pewyoke Rite-Size B aquarium filter cartridges fit PRO Power Filters 100, 125, and 175, plus Power Filter 150.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does peみoke Rite-Size B aquarium filter cartridge filtration do?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: pewyoke Rite-Size B aquarium filter cartridges use mechanical media to trap debris and carbon to remove odors and discoloration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"pewyoke","offers":[{"title":"Default Title","offer_id":67862415868295,"sku":"B0FVLJB6Z1","price":33.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pewyoke-rite-size-b-cartridges-front-view.jpg?v=1793477151"},{"product_id":"hygger-aquarium-activated-carbon-10-5-oz-coconut-shell-filter-media-with-mesh-bag","title":"hygger Aquarium Activated Carbon, 298 g Coconut Shell Filter Media with Mesh Bag","description":"\u003cp\u003ehygger Aquarium Activated Carbon is natural coconut-shell filter media for aquarium water purification, supplied as 10.5 oz (298 g) with a fine mesh bag.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow-ash, research-grade coconut shell carbon — provides natural filter media for aquarium use.\u003c\/li\u003e\n\u003cli\u003eHigh porosity, wide surface area and a rich pore structure — supports adsorption across the carbon surface.\u003c\/li\u003e\n\u003cli\u003eDesigned to adsorb odors, fishy smells, turbid water, drug residues, residual chlorine and heavy metals — helps address common water impurities.\u003c\/li\u003e\n\u003cli\u003epH-neutral media, described as harmless to fish, aquatic plants and nitrifying bacteria — supports aquarium ecological stability without changing pH.\u003c\/li\u003e\n\u003cli\u003eReusable fine mesh bag and small-particle carbon — make loading and removing the media convenient.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater tanks, saltwater tanks and ponds — fits several aquatic setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium water can develop unwanted smells, discoloration or suspended impurities. hygger activated carbon is made for aquarium filtration when you want carbon media that can be placed in different filter types, with a mesh bag for containing the small particles during use.\u003c\/p\u003e\n\u003ch3\u003eWhat water impurities is this carbon designed to address?\u003c\/h3\u003e\n\u003cp\u003ehygger Aquarium Activated Carbon is designed to help adsorb odors, fishy smells, turbid water, drug residues, residual chlorine in tap water and heavy metals. Its pore structure and broad surface area provide the basis for this adsorption. The media can also absorb suspended particles and tiny impurities, helping improve water transparency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon adsorption helps reduce unwanted aquarium smells and color.\u003c\/li\u003e\n\u003cli\u003eAbsorbing small suspended impurities can support clearer-looking water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich aquarium filters and water setups can use it?\u003c\/h3\u003e\n\u003cp\u003ehygger Aquarium Activated Carbon is suitable for canister filters, hang-on-back filters, sump filters and pond filters. It is intended for small-particle activated carbon, and can be used in freshwater tanks, saltwater tanks and ponds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter options include canister, hang-on-back, sump and pond filters.\u003c\/li\u003e\n\u003cli\u003eWater setups include freshwater and saltwater aquariums as well as ponds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow is the carbon supplied and when should it be replaced?\u003c\/h3\u003e\n\u003cp\u003ehygger Aquarium Activated Carbon comes in a 10.5 oz (298 g) quantity with a reusable fine mesh bag. The bag allows custom loading and unloading of the small-particle carbon, and the recommended replacement interval for optimal performance is every four weeks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe mesh bag is reusable.\u003c\/li\u003e\n\u003cli\u003eReplace the carbon every four weeks for optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis media suits aquarium and pond keepers who want coconut-shell carbon for use across several filter styles and aquatic setups. Its fine-particle format, reusable mesh bag and four-week replacement schedule make it a defined option for routine carbon filtration.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters can use hygger Aquarium Activated Carbon?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: hygger Aquarium Activated Carbon fits canister, hang-on-back, sump and pond filters, and is suitable for freshwater tanks, saltwater tanks and ponds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should hygger Aquarium Activated Carbon be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: For optimal performance, replace hygger Aquarium Activated Carbon every four weeks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67862464233863,"sku":"B0DXZD7PCJ","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-aquarium-activated-carbon-product-view.jpg?v=1793477368"},{"product_id":"seachem-matrixcarbon-aquarium-filter-media-140-ml-for-tidal-55","title":"Seachem MatrixCarbon Aquarium Filter Media, 140 mL for Tidal 55","description":"\u003cp\u003eSeachem MatrixCarbon is a bagged spherical carbon filter media designed for Tidal 55 filtration, with a 140 mL quantity for marine and freshwater aquariums.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e140 mL bagged media — a defined quantity of carbon for your aquarium filter.\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency spherical carbon — provides the media form used in this filter product.\u003c\/li\u003e\n\u003cli\u003eDesigned to control ammonia, nitrite and nitrate — focuses on these three aquarium-water compounds.\u003c\/li\u003e\n\u003cli\u003eFor marine and freshwater use — suits either of these aquarium environments.\u003c\/li\u003e\n\u003cli\u003eNamed for the Tidal 55 filter — makes the intended filter association clear when choosing media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoosing aquarium filter media starts with matching the product to the filter and the aquarium environment. Seachem MatrixCarbon brings together a specific filter reference, a stated media form and a defined water-treatment purpose, making those key selection details easy to identify. Its marine and freshwater use also gives aquarium keepers a clear way to assess whether it fits their setup.\u003c\/p\u003e\n\u003ch3\u003eWhat is Seachem MatrixCarbon designed to do?\u003c\/h3\u003e\n\u003cp\u003eSeachem MatrixCarbon is designed to control ammonia, nitrite and nitrate in aquarium water. Its high-efficiency spherical carbon is the media used for this stated purpose. This gives shoppers a direct answer when comparing products by the compounds they are intended to control, rather than by a general description of aquarium filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose: control of three named aquarium-water compounds.\u003c\/li\u003e\n\u003cli\u003eMedia form: spherical carbon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan I use Seachem MatrixCarbon in a marine or freshwater aquarium?\u003c\/h3\u003e\n\u003cp\u003eSeachem MatrixCarbon is intended for both marine and freshwater use. Choose it based on your aquarium type as well as the filter reference, so the media’s stated application aligns with your setup. The product is presented as filter media, not as a standalone aquarium treatment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApplication includes marine aquariums.\u003c\/li\u003e\n\u003cli\u003eApplication also includes freshwater aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow much Seachem MatrixCarbon comes in the bag, and which filter is it for?\u003c\/h3\u003e\n\u003cp\u003eSeachem MatrixCarbon comes as a 140 mL bagged product associated with the Tidal 55 filter. The stated volume and bagged format help identify the quantity and presentation, while the filter name provides a useful point of reference when selecting media for your equipment. Match the Tidal 55 reference to your filter before choosing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuantity: 140 mL.\u003c\/li\u003e\n\u003cli\u003ePresentation: bagged filter media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSeachem MatrixCarbon is suited to aquarium keepers looking for bagged carbon media with a stated role in controlling ammonia, nitrite and nitrate, and an application for either marine or freshwater aquariums. Its Tidal 55 filter association, spherical carbon form and 140 mL quantity make the product’s intended use and format clear.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Seachem MatrixCarbon designed to control?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Seachem MatrixCarbon is designed to control ammonia, nitrite and nitrate in aquarium water using high-efficiency spherical carbon.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Seachem MatrixCarbon be used in marine and freshwater aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Seachem MatrixCarbon is for both marine and freshwater use and is associated with the Tidal 55 filter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":67862613492103,"sku":"B01N11IAID","price":29.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/seachem-matrixcarbon-package-front.jpg?v=1793477910"},{"product_id":"eheim-carbon-filter-pads-for-classic-2217-3-pack-for-toxin-removal","title":"Eheim Carbon Filter Pads for Classic 2217, 3-Pack for Toxin Removal","description":"\u003cp\u003e\u003cstrong\u003eThe EHEIM Carbon Filter Pad is carbon filter media designed for absorptive filtration and toxin removal in an aquarium, made for the EHEIM Classic Canister Filter 2217.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThree carbon filter pads per set — provides three pads for the compatible filter.\u003c\/li\u003e\n\u003cli\u003eDesigned for the EHEIM Classic Canister Filter 2217 — matches the specified filter model.\u003c\/li\u003e\n\u003cli\u003eAbsorptive filtration — uses carbon pads to absorb unwanted substances.\u003c\/li\u003e\n\u003cli\u003eIntended to eliminate harmful toxins from the tank — supports aquarium water filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen choosing filter media, the intended filter model and filtration purpose are key points to match. These EHEIM carbon pads are made for use with the Classic Canister Filter 2217, with absorptive filtration as their stated role. The set contains three pads, so the quantity is clear when selecting this filter component for your setup. This product is specific to the named EHEIM filter model rather than a general-purpose pad for every filter.\u003c\/p\u003e\u003ch3\u003eWhat filtration purpose do these carbon pads serve?\u003c\/h3\u003e\u003cp\u003eThe pads provide absorptive filtration and are intended to eliminate harmful toxins from aquarium water. Carbon is the filtration material identified for this purpose; the product is a filter pad for use in the tank’s filter system, not a standalone water treatment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCarbon filter-pad format.\u003c\/li\u003e\n\u003cli\u003eAbsorptive filtration function.\u003c\/li\u003e\n\u003cli\u003eDesigned for toxin removal in the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich filter is the EHEIM Carbon Filter Pad made for?\u003c\/h3\u003e\u003cp\u003eThese pads are made for the EHEIM Classic Canister Filter 2217. Match the filter model number to 2217 when choosing this pad, since that is the model specified for compatibility. The product details do not identify other compatible filter models, so this page’s stated fit is limited to the Classic 2217.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible model: EHEIM Classic Canister Filter 2217.\u003c\/li\u003e\n\u003cli\u003eProduct type: carbon filter pad.\u003c\/li\u003e\n\u003cli\u003eUse: within the specified canister filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow many pads come in the set?\u003c\/h3\u003e\u003cp\u003eOne set contains three EHEIM carbon filter pads. The quantity refers to the pads themselves, making it straightforward to identify the pack contents before choosing this filter media. The set is intended for the specified filter model and its absorptive filtration role.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThree pads in each set.\u003c\/li\u003e\n\u003cli\u003eCarbon pad material.\u003c\/li\u003e\n\u003cli\u003eFor the EHEIM Classic Canister Filter 2217.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe EHEIM Carbon Filter Pad suits aquarium owners using the Classic Canister Filter 2217 who want carbon media for absorptive filtration. Its defined fit, filtration purpose and three-piece quantity make it a model-specific choice for that setup. It is intended for the named EHEIM filter rather than use as a universal filter pad.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filter is the EHEIM Carbon Filter Pad compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The EHEIM Carbon Filter Pad is made for the EHEIM Classic Canister Filter 2217.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many pads are included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each EHEIM Carbon Filter Pad set contains three carbon pads for absorptive filtration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Eheim","offers":[{"title":"Default Title","offer_id":67862708748679,"sku":"B0002JEKAA","price":32.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/eheim-carbon-filter-pad-front-view.jpg?v=1793478219"},{"product_id":"datoo-aquarium-filter-cartridges-for-df060-1-6-gallon-kit-4-pack-with-carbon","title":"DaToo Aquarium Filter Cartridges for DF060 6.1 L Kit, 4-Pack with Carbon","description":"\u003cp\u003eDaToo replacement filter cartridges are made for the DaToo DF060 1.6-gallon aquarium starter kit and provide cotton filtration with built-in activated carbon to help clean aquarium water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour cartridges: two microporous filter cotton and two high-density fiber cotton cartridges — gives you two cartridge types for the DF060 filter.\u003c\/li\u003e\n\u003cli\u003eBuilt-in activated carbon, evenly distributed in the cartridge — supports chemical filtration alongside physical filtration.\u003c\/li\u003e\n\u003cli\u003eFilter cotton and activated carbon — adsorb water impurities and help remove odors.\u003c\/li\u003e\n\u003cli\u003e4.13 x 2.48 x 0.5 inches (10.49 x 6.30 x 1.27 cm) — a compact cartridge size for the compatible starter kit.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 1–2 weeks — provides a frequent-change interval to maintain filtration performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese replacement cartridges are for maintaining filtration in a DaToo DF060 aquarium starter kit. Their cotton media catches impurities through physical filtration, while the built-in carbon provides chemical filtration. The two media types are supplied as a four-cartridge set, so you can replace the kit’s filter material as part of routine aquarium care.\u003c\/p\u003e\n\u003ch3\u003eWhich aquarium does the DaToo cartridge fit?\u003c\/h3\u003e\n\u003cp\u003eIt fits the DaToo 1.6-gallon Aquarium Starter Kit DF060. The cartridge is designed for this kit, and replacing it takes a few seconds. Its dimensions are 4.13 x 2.48 x 0.5 inches (10.49 x 6.30 x 1.27 cm), useful measurements when confirming fit for the DF060 setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible model: DaToo DF060.\u003c\/li\u003e\n\u003cli\u003eReplacement is designed to be quick and straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes in the four-cartridge set?\u003c\/h3\u003e\n\u003cp\u003eThe set contains two high-efficiency microporous filter cotton cartridges and two high-density fiber cotton cartridges with activated carbon built in. This gives you both cotton media options in one set, with carbon included in the fiber cartridges.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 microporous filter cotton cartridges.\u003c\/li\u003e\n\u003cli\u003e2 high-density fiber cotton cartridges with built-in activated carbon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the filter media work, and when should it be changed?\u003c\/h3\u003e\n\u003cp\u003eThe cotton media provides physical filtration, and the activated carbon supports chemical filtration by adsorbing impurities and helping remove odors. DaToo’s cartridge design distributes research-grade activated carbon evenly through its partition; the combination is intended to provide efficient filtration and longer cartridge life.\u003c\/p\u003e\n\u003cp\u003eFor ongoing filtration performance, DaToo recommends changing the filter material every 1–2 weeks. You can also use the cartridges with other filter materials as needed; combining media is noted as a way to achieve better results.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBefore first use, rinse the cartridge if you see a small amount of carbon powder residue in the packaging bag; this residue is normal.\u003c\/li\u003e\n\u003cli\u003eReplace the filter material regularly as part of aquarium maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDaToo DF060 owners who want a fast replacement with cotton media and built-in carbon will find this set suited to their aquarium’s filtration routine. It is made for the DF060 1.6-gallon starter kit, rather than presented as a universal cartridge for other aquarium models.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium does the DaToo replacement filter cartridge fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DaToo replacement filter cartridge is designed for the DaToo 1.6-gallon Aquarium Starter Kit DF060.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the DaToo filter cartridge set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DaToo filter cartridge set contains four cartridges: two microporous filter cotton cartridges and two high-density fiber cotton cartridges with built-in activated carbon.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DaToo","offers":[{"title":"Default Title","offer_id":67863229759879,"sku":"B0GKGM1DYK","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/datoo-df060-filter-cartridges-front-view.jpg?v=1793479433"},{"product_id":"marina-slim-filter-replacement-cartridges-3-each-carbon-zeolite-plus-ceramic","title":"Marina Slim Filter Replacement Cartridges, 3 Each Carbon \u0026 Zeolite Plus Ceramic","description":"\u003cp\u003eMarina Slim Filter replacement cartridges pair Carbon Plus Ceramic and Zeolite Plus Ceramic media to absorb toxic ammonia and help reduce fish stress, with three cartridges of each type.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree Carbon Plus Ceramic Cartridges and three Zeolite Plus Ceramic Cartridges — a mixed refill set for Marina Slim Filters.\u003c\/li\u003e\n\u003cli\u003eCarbon Plus media removes pollutants and odors — helping address unwanted substances and smells in aquarium water.\u003c\/li\u003e\n\u003cli\u003eBoth cartridge types absorb toxic ammonia — a shared function of the two refill options.\u003c\/li\u003e\n\u003cli\u003eZeolite Plus contains Ceramitek porous ceramic biological filter medium — a biological filtration material within the cartridge.\u003c\/li\u003e\n\u003cli\u003eFits Marina S10, S15 and S20 Slim Filters — choose the set for one of these compatible models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese cartridges are for aquarium owners replacing filter media in a compatible Marina Slim Filter. The set brings together two ceramic cartridge types, each with a distinct role in filtration. It is intended for the named Marina filter models rather than as a universal cartridge set, so matching the filter model is the key fit consideration.\u003c\/p\u003e\n\u003ch3\u003eWhat is included in the Marina cartridge set?\u003c\/h3\u003e\n\u003cp\u003eThe set contains three Carbon Plus Ceramic Cartridges and three Zeolite Plus Ceramic Cartridges. This gives you both media types in one refill set, with the cartridge count divided evenly between them.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon Plus Ceramic: three cartridges.\u003c\/li\u003e\n\u003cli\u003eZeolite Plus Ceramic: three cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat does the Carbon Plus Ceramic cartridge do?\u003c\/h3\u003e\n\u003cp\u003eThe Carbon Plus Ceramic Cartridge absorbs toxic ammonia, reduces fish stress, and removes pollutants and odors. Its purpose is to combine ammonia absorption with the reduction of unwanted pollutants and smells in aquarium water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for aquarium filtration in compatible Marina Slim Filters.\u003c\/li\u003e\n\u003cli\u003eAddresses ammonia, pollutants and odors through the cartridge media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does Zeolite Plus Ceramic differ?\u003c\/h3\u003e\n\u003cp\u003eZeolite Plus Ceramic absorbs toxic ammonia and reduces fish stress, and it contains Ceramitek, a highly porous ceramic biological filter medium. This makes the cartridge the set’s option with a specifically identified biological filtration medium.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCeramitek is the named porous ceramic medium.\u003c\/li\u003e\n\u003cli\u003eThe cartridge combines biological filter medium with ammonia absorption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich Marina Slim Filters are compatible?\u003c\/h3\u003e\n\u003cp\u003eThese cartridges fit Marina S10, S15 and S20 Slim Filters. Match the model name on your filter to one of those three models when choosing this refill set.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible models: Marina S10, Marina S15 and Marina S20 Slim Filters.\u003c\/li\u003e\n\u003cli\u003eUse the model name to confirm the cartridge fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis mixed refill set suits aquarium keepers using a Marina S10, S15 or S20 Slim Filter who want both Carbon Plus and Zeolite Plus ceramic media. It provides ammonia-absorbing cartridges in two media types, with Ceramitek biological filter medium in the Zeolite Plus option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters do Marina Slim Filter cartridges fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Marina Slim Filter Carbon Plus and Zeolite Plus cartridges fit Marina S10, S15 and S20 Slim Filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many cartridges come in the Marina set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Marina Slim Filter set contains three Carbon Plus Ceramic Cartridges and three Zeolite Plus Ceramic Cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Marina","offers":[{"title":"Default Title","offer_id":67863483253127,"sku":"B074N36LH4","price":32.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/marina-slim-filter-cartridges-front.jpg?v=1793480299"},{"product_id":"xbbwmrs-large-aquarium-filter-cartridges-9-pack-for-tetra-whisper-ex30-ex45-ex70-carbon-zeolite","title":"xbbwmrs Large Aquarium Filter Cartridges, 9-Pack for Tetra Whisper EX30\/EX45\/EX70, Carbon \u0026 Zeolite","description":"\u003cp\u003e\u003cstrong\u003exbbwmrs large carbon filter cartridges are made to replace filters in Tetra Whisper EX30, EX45 and EX70 Power Filters, with a 9-cartridge pack and an 8-grid frame holding carbon and zeolite media.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e9 large replacement cartridges — keep replacement filters on hand for routine aquarium maintenance.\u003c\/li\u003e\n\u003cli\u003eCompatible with Tetra Whisper EX30, EX45 and EX70 Power Filters — choose cartridges made for these three filter models.\u003c\/li\u003e\n\u003cli\u003eEach cartridge measures 6.69 x 5.12 in (16.99 x 13 cm) — compare the size with your filter’s cartridge carrier.\u003c\/li\u003e\n\u003cli\u003eHigh-density cotton, activated nutshell carbon and zeolite — combine floss filtration with adsorption media.\u003c\/li\u003e\n\u003cli\u003e8-grid frame and four-stage filtration design — distribute the media throughout the cartridge to help reduce odors and discoloration.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement interval of approximately 2–4 weeks — plan regular filter maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement cartridges are made for aquarium owners using a compatible Whisper EX Power Filter who want to maintain clear tank water through regular cartridge changes. The layered media combines mechanical floss with carbon and zeolite, addressing water clarity and unwanted odors within one replacement cartridge.\u003c\/p\u003e\u003ch3\u003eWhich filters do these cartridges fit, and what size are they?\u003c\/h3\u003e\u003cp\u003exbbwmrs cartridges are compatible with Tetra Whisper EX30, EX45 and EX70 Power Filters. Each large cartridge measures 6.69 x 5.12 in (16.99 x 13 cm), so compare those dimensions with the carrier in your filter to confirm fit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe cartridges are made for the Whisper EX30, EX45 and EX70 models.\u003c\/li\u003e\n\u003cli\u003eA quality-control process focuses on compatibility with these filter models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat filtration media is inside each cartridge?\u003c\/h3\u003e\u003cp\u003eEach cartridge combines high-density cotton floss, activated nutshell carbon and zeolite. The floss forms the dense filtration layer, while the carbon and zeolite provide adsorption media; zeolite is included to adsorb ammonia, nitrogen, heavy metals and other harmful components and help maintain water pH balance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe 8-grid frame helps distribute carbon and zeolite more evenly.\u003c\/li\u003e\n\u003cli\u003eThe four-stage design is intended to help reduce odors and water discoloration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I install and replace a cartridge?\u003c\/h3\u003e\u003cp\u003eRinse the xbbwmrs replacement cartridge under water before installation to remove carbon dust. Place it in the cartridge carrier with the “FRONT” orientation tab facing the correct direction, then make sure the cartridge sits completely inside the compatible power filter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplace the cartridge approximately every 2–4 weeks for the recommended maintenance schedule.\u003c\/li\u003e\n\u003cli\u003eThe pack contains nine replacement cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese cartridges suit aquarium keepers with a Tetra Whisper EX30, EX45 or EX70 who want cotton floss, nutshell carbon and zeolite in one replacement filter. xbbwmrs provides a 100% satisfaction commitment alongside quality control focused on compatibility with those three models. Their measured size, model-specific fit and clear installation orientation make them a practical choice for routine filter changes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filter models are xbbwmrs large carbon filter cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: xbbwmrs large carbon filter cartridges are compatible with Tetra Whisper EX30, EX45 and EX70 Power Filters. Each cartridge measures 6.69 x 5.12 in (16.99 x 13 cm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace an xbbwmrs carbon filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: xbbwmrs recommends replacing each carbon filter cartridge approximately every 2–4 weeks. Rinse a new cartridge under water to remove carbon dust before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"xbbwmrs","offers":[{"title":"Default Title","offer_id":67863506583943,"sku":"B0DP8LW7GZ","price":31.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/xbbwmrs-carbon-filter-cartridge-front-view.jpg?v=1793480447"},{"product_id":"lxiyu-medium-aquarium-filter-cartridges-6-pack-with-activated-carbon-for-tetra-filters","title":"Lxiyu Medium Aquarium Filter Cartridges, 6-Pack with Activated Carbon for Tetra Filters","description":"\u003cp\u003eLxiyu medium aquarium filter cartridges are six replacement cartridges for compatible Tetra filters, with activated carbon and dual-sided mesh to capture impurities and debris.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSix medium cartridges, each 3.7 x 5.9 inches (9.4 x 15 cm) — a replacement supply for compatible filters.\u003c\/li\u003e\n\u003cli\u003eCompatible with Tetra Whisper Bio-Bag 10i, IQ10 and PF10 filters, plus Tetra ReptoFilter — match the cartridge to these models.\u003c\/li\u003e\n\u003cli\u003eActivated carbon absorbs impurities — helping keep aquarium water clear and glass free of scale buildup.\u003c\/li\u003e\n\u003cli\u003eDense mesh on both sides captures debris and fish waste — helping keep the water clean.\u003c\/li\u003e\n\u003cli\u003eAn ABS plastic holder distributes carbon evenly — supporting fuller filtration and reducing the frequency of water changes.\u003c\/li\u003e\n\u003cli\u003eReplace every 2–4 weeks, depending on use — a practical interval for maintaining filtration performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement cartridges are made for aquarium owners who need a compatible filter insert to help manage impurities, floating debris and fish waste. The combination of carbon and mesh provides two filtration elements in one cartridge, while the holder keeps the carbon distributed within the filter. Choose the medium six-pack for one of the listed compatible filter models, and use the cartridge’s replacement interval as a guide based on your aquarium’s specific conditions.\u003c\/p\u003e\u003ch3\u003eWhat does the Lxiyu cartridge filter from aquarium water?\u003c\/h3\u003e\u003cp\u003eThe cartridge combines activated carbon with dense mesh on both sides to absorb impurities and capture debris and fish waste. The carbon helps keep the water clear and the aquarium glass free of scale buildup; the mesh helps keep the water source clean for fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCarbon adsorption capacity is limited.\u003c\/li\u003e\n\u003cli\u003eDual-sided mesh provides a physical layer for catching waste and debris.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich filters does this medium cartridge fit?\u003c\/h3\u003e\u003cp\u003eLxiyu cartridges fit Tetra Whisper Bio-Bag 10i, IQ10 and PF10 filters, and Tetra ReptoFilter 20-gallon filters rated at 90 GPH. Each cartridge measures 3.7 x 5.9 inches (9.4 x 15 cm), so compare the model and size with your current filter setup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePack quantity: 6 medium cartridges.\u003c\/li\u003e\n\u003cli\u003eCompatible ReptoFilter rating: 20 gallons (90 GPH).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow often should I replace the cartridge?\u003c\/h3\u003e\u003cp\u003eReplace the cartridge every 2–4 weeks for optimal performance, adjusting the interval to your specific aquarium use. Activated carbon has a limited adsorption capacity, so a regular replacement schedule helps maintain its ability to absorb impurities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe recommended interval is a guide, not a fixed schedule for every aquarium.\u003c\/li\u003e\n\u003cli\u003eReplacement timing depends on the specific use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLxiyu medium cartridges suit aquarium owners using the compatible Tetra Whisper Bio-Bag or ReptoFilter models who want carbon adsorption and mesh filtration in one replacement insert. The six-pack, model compatibility and 2–4-week replacement guidance make it a clear choice for routine filter-cartridge changes on those setups.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with Lxiyu medium aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Lxiyu medium aquarium filter cartridges fit Tetra Whisper Bio-Bag 10i, IQ10 and PF10 filters, plus Tetra ReptoFilter 20-gallon filters rated at 90 GPH.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace a Lxiyu aquarium filter cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace a Lxiyu aquarium filter cartridge every 2–4 weeks for optimal performance; the interval depends on your specific aquarium use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lxiyu","offers":[{"title":"Default Title","offer_id":67864069702023,"sku":"B0CQYMD7TP","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/lxiyu-aquarium-filter-cartridge-front-view.jpg?v=1793482999"},{"product_id":"fluval-aquaclear-aquarium-filter-carbon-for-ac70-ac110-adsorbs-odors-and-impurities","title":"Fluval AquaClear Aquarium Filter Carbon for AC70\/AC110, Adsorbs Odours and Impurities","description":"\u003cp\u003e\u003cstrong\u003eFluval AquaClear Carbon is chemical filter media for fresh and saltwater aquariums, made for AquaClear AC70 and AC110 power filters.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResearch-grade chemical filter media — adds a chemical filtration option to an aquarium setup.\u003c\/li\u003e\n\u003cli\u003eHighly adsorbent carbon — helps remove odors, discolorations, impurities and toxins from aquarium water.\u003c\/li\u003e\n\u003cli\u003eSupports clear water — helps promote a crystal-clear appearance in freshwater and saltwater aquariums.\u003c\/li\u003e\n\u003cli\u003eWill not raise phosphate levels — provides chemical filtration without increasing aquarium phosphate levels.\u003c\/li\u003e\n\u003cli\u003eFour-week replacement interval — replace the carbon every 4 weeks for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAquarium water can develop unwanted odors or discoloration, and maintaining clear water is part of routine aquarium care. Fluval AquaClear Carbon is designed for this chemical filtration role in compatible power filters. Its purpose is to adsorb unwanted substances from the water, complementing the aquarium’s filtration setup with a carbon-based media option.\u003c\/p\u003e\u003ch3\u003eWhat does AquaClear Carbon do in an aquarium?\u003c\/h3\u003e\u003cp\u003eFluval AquaClear Carbon uses adsorption to help remove odors, discolorations, impurities and toxins from aquarium water. This makes it useful when aquarium keepers want chemical filter media that supports clear-looking water in either freshwater or saltwater environments. The carbon is a filtration material, not a treatment for fish or aquarium diseases.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWorks through adsorption as chemical filter media.\u003c\/li\u003e\n\u003cli\u003eHelps address unwanted odor and water discoloration.\u003c\/li\u003e\n\u003cli\u003eSupports a crystal-clear appearance in aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich AquaClear filters is this carbon made for?\u003c\/h3\u003e\u003cp\u003eFluval AquaClear Carbon is made for the AquaClear AC70 and AC110 power filters. Choose it when your aquarium filtration setup uses one of these compatible filter models and you want to add activated carbon as a chemical media. Its intended aquarium environments include both freshwater and saltwater.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible filter models: AC70 and AC110.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater and saltwater aquariums.\u003c\/li\u003e\n\u003cli\u003eDesigned for use as filter media in a power filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow often should AquaClear Carbon be replaced?\u003c\/h3\u003e\u003cp\u003eReplace Fluval AquaClear Carbon every 4 weeks for best results. Keeping to this interval gives aquarium keepers a straightforward schedule for refreshing this chemical media as part of ongoing filter maintenance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecommended replacement interval: every 4 weeks.\u003c\/li\u003e\n\u003cli\u003eReplacement timing applies to the carbon media.\u003c\/li\u003e\n\u003cli\u003eUse it as part of routine aquarium filter upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFluval AquaClear Carbon suits freshwater and saltwater aquarium keepers using an AC70 or AC110 power filter who want carbon media for adsorption and water clarity support. Its defined filter compatibility and four-week replacement interval make it a practical fit for aquarium maintenance routines built around those models.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters fit Fluval AquaClear Carbon?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fluval AquaClear Carbon is made for AquaClear AC70 and AC110 power filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should Fluval AquaClear Carbon be replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace Fluval AquaClear Carbon every 4 weeks for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":67864280629639,"sku":"B0DCP6L53L","price":33.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/fluval-aquaclear-carbon-product-view.jpg?v=1793483605"},{"product_id":"pryitier-pf10-aquarium-filter-cartridges-16-pack-with-carbon-and-zeolite","title":"Pryitier PF10 Aquarium Filter Cartridges, 16-Pack with Carbon and Zeolite","description":"\u003cp\u003e\u003cstrong\u003ePryitier PF-S replacement filter cartridges are a 16-pack for Top Fin PF10 Power Filters, with dual-sided mesh, nutshell activated carbon, and processed zeolite to filter aquarium water.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e16 replacement cartridges — keeps refill cartridges on hand for routine aquarium filter changes.\u003c\/li\u003e\n\u003cli\u003eFits Top Fin PF10 Power Filters only — made for this filter model, not Imagitarium or CN-S filters.\u003c\/li\u003e\n\u003cli\u003e5.5 x 3.09 inches (14 x 7.85 cm) with handle; 5.19 x 3.09 inches (13.18 x 7.85 cm) without — compare the cartridge size with your filter chamber.\u003c\/li\u003e\n\u003cli\u003eFour-stage filtration design — combines dense dual-sided mesh, activated carbon, and processed zeolite to filter and absorb water impurities.\u003c\/li\u003e\n\u003cli\u003eReplace every 2 to 4 weeks, depending on aquarium conditions — supports a regular cartridge-change routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese replacement cartridges are for aquarium owners who need PF-S refills for a Top Fin PF10 Power Filter. Their filter media is intended to help remove impurities and dissolved pollutants, reduce odors, and support clear aquarium water. Check both the filter model and cartridge dimensions before choosing a refill, since this cartridge is not compatible with Imagitarium or CN-S filters.\u003c\/p\u003e\n\u003ch3\u003eWill these cartridges fit my aquarium filter?\u003c\/h3\u003e\n\u003cp\u003eThey fit Top Fin PF10 Power Filters and are not compatible with Imagitarium or CN-S filters. The cartridge measures 5.5 x 3.09 inches (14 x 7.85 cm) with the handle and 5.19 x 3.09 inches (13.18 x 7.85 cm) without it. No handle is included. Manual measurements may vary by 0.1–0.2 inch, so compare the cartridge dimensions with your filter chamber.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePack quantity: 16 replacement cartridges.\u003c\/li\u003e\n\u003cli\u003eInsert the cartridge fully into the filter chamber for a complete fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat filtration media does each cartridge use?\u003c\/h3\u003e\n\u003cp\u003eEach cartridge uses dense mesh on both sides, nutshell activated carbon, and processed spherical zeolite in a four-stage filtration design. The mesh and media are designed to filter and absorb impurities. The activated carbon’s developed, evenly distributed pores adsorb dissolved pollutants, help improve water clarity and color, and remove odors.\u003c\/p\u003e\n\u003cp\u003eThe spherical zeolite is designed to adsorb ammonia, heavy metals, and other harmful components. It is also intended to balance pH and support a stable water state. For aquariums with aquatic plants, the zeolite is designed to improve fertilization efficiency and support plant growth.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMedia includes nutshell activated carbon and processed spherical zeolite.\u003c\/li\u003e\n\u003cli\u003eFiltration is designed for aquarium water containing fish and plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I prepare and replace a cartridge?\u003c\/h3\u003e\n\u003cp\u003eRinse a new cartridge under clean, cool water to remove surface dust, then insert it into the flushing chamber and ensure it fits completely. Replace cartridges every 2 to 4 weeks; the aquarium environment determines the appropriate timing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse before installation.\u003c\/li\u003e\n\u003cli\u003eUse clean, cool water for rinsing.\u003c\/li\u003e\n\u003cli\u003eCheck that the cartridge is fully seated in the chamber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePryitier PF-S cartridges suit aquarium keepers using a Top Fin PF10 Power Filter who want replacement media for routine filtration. They are intended for that filter model rather than Imagitarium or CN-S units, and the specified cartridge size helps buyers check the fit before use. This 16-pack combines dual-sided mesh, activated carbon, and processed zeolite in PF10-compatible replacement cartridges.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are Pryitier PF-S filter cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pryitier PF-S filter cartridges fit Top Fin PF10 Power Filters only. They are not compatible with Imagitarium or CN-S filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace Pryitier PF-S filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse Pryitier PF-S filter cartridges before installation and replace them every 2 to 4 weeks, depending on the aquarium environment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pryitier","offers":[{"title":"Default Title","offer_id":67864318116231,"sku":"B0D6Y1MHB4","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pryitier-pf-s-filter-cartridges-front-view.jpg?v=1793483750"},{"product_id":"jorewood-aquarium-filter-resin-3-x-200-ml-bags-for-tannin-and-odor-removal","title":"Jorewood Aquarium Filter Resin, 3 x 200 mL Bags for Tannin and Odour Removal","description":"\u003cp\u003eJorewood Aquarium Filter Resin is ion-exchange media designed to help remove tannins, odors, and other pollutants from aquarium water, supplied in three 200 mL bags.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThree 200 mL bags — provides ready-to-use resin for aquarium filtration.\u003c\/li\u003e\n\u003cli\u003e40% stronger adsorption than standard media — captures nitrates, phosphates, and organic pollutants.\u003c\/li\u003e\n\u003cli\u003eReusable resin — can be recharged with salt water 5–8 times.\u003c\/li\u003e\n\u003cli\u003eReinforced high-density nylon mesh bags — hold the resin while allowing water to flow through.\u003c\/li\u003e\n\u003cli\u003epH-neutral and chemical-free — suitable for freshwater and saltwater aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDiscolored water, unwanted odors, and dissolved pollutants can affect the look and condition of an aquarium. Jorewood resin is made for aquarium filtration when you want to target tannins and odors alongside nitrates, phosphates, and organic pollutants. Its compact bag format is designed to fit into common filter setups, so the media can be placed within the filtration system rather than loose in the aquarium.\u003c\/p\u003e\u003ch3\u003eWhat does Jorewood Aquarium Filter Resin remove?\u003c\/h3\u003e\u003cp\u003eJorewood Aquarium Filter Resin is designed to adsorb tannins, odors, nitrates, phosphates, and organic pollutants. Its ion-exchange resin is engineered for 40% stronger adsorption than standard media, and the brand claims it can produce glass-like water clarity in 24 hours. It removes tannins and odors without stripping essential minerals, and the formula is pH neutral.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTargets several unwanted substances in aquarium water.\u003c\/li\u003e\n\u003cli\u003eMade for freshwater and saltwater aquarium use.\u003c\/li\u003e\n\u003cli\u003eSuitable for reef tanks, planted aquariums, and shrimp colonies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquarium filters can use these resin bags?\u003c\/h3\u003e\u003cp\u003eJorewood Aquarium Filter Resin is designed for canister, hang-on-back (HOB), and sump filters. Each bag is made from high-density nylon mesh with reinforced seams, which keeps the resin contained while allowing water to pass through. The compact format is intended for placement in the filter, not for use as a standalone aquarium decoration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMesh bags are included to hold the resin.\u003c\/li\u003e\n\u003cli\u003eRinse the resin bag, then place it in the filter.\u003c\/li\u003e\n\u003cli\u003eDesigned for multiple common filter types.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow much resin comes in the pack, and can it be reused?\u003c\/h3\u003e\u003cp\u003eJorewood Aquarium Filter Resin comes in three bags, each containing 200 mL of media. The resin can be recharged with salt water 5–8 times, giving aquarium keepers the option to reuse the media rather than replace it after one use. The bags are ready to use after rinsing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePack contents: three resin bags.\u003c\/li\u003e\n\u003cli\u003eResin volume: 200 mL per bag.\u003c\/li\u003e\n\u003cli\u003eRecharge method: salt water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis resin suits aquarium keepers who want filter media for reducing tannins and odors while targeting other listed pollutants in freshwater or saltwater setups. Its bagged ion-exchange resin is designed for use inside canister, HOB, or sump filtration.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium filters are compatible with Jorewood Aquarium Filter Resin?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Jorewood Aquarium Filter Resin is designed for canister, hang-on-back (HOB), and sump filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much Jorewood Aquarium Filter Resin is included, and can it be reused?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Jorewood Aquarium Filter Resin includes three 200 mL bags. The resin can be recharged with salt water 5–8 times.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Jorewood","offers":[{"title":"Default Title","offer_id":67864338727303,"sku":"B0FLW5RNK4","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/jorewood-aquarium-filter-resin-package-front.jpg?v=1793483888"},{"product_id":"switior-aquarium-filter-cartridges-8-pack-rf-l-replacement-with-carbon-and-zeolite","title":"Switior Aquarium Filter Cartridges, 8-Pack RF-L Replacement with Carbon and Zeolite","description":"\u003cp\u003eSwitior 8-pack replacement filter cartridges are made to filter aquarium water in compatible Top Fin desktop aquariums with a Large Retreat Filter, using double high-density cotton, activated carbon, and zeolite.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDouble high-density cotton — filters impurities and debris from the water.\u003c\/li\u003e\n\u003cli\u003e3 times activated carbon — designed to absorb 99% of debris and odors.\u003c\/li\u003e\n\u003cli\u003eZeolite media — absorbs heavy metals and helps balance pH.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 2 to 4 weeks — gives you a routine for changing the cartridge.\u003c\/li\u003e\n\u003cli\u003eRinse before installation — helps remove dust from the new cartridge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement cartridges are for aquarium owners who want a ready-to-install filter refill for a compatible desktop aquarium. Their layered filter media combines physical filtration with activated carbon and zeolite, addressing debris, odors, and water impurities in one cartridge.\u003c\/p\u003e\u003ch3\u003eDoes this cartridge fit the Top Fin Large Retreat Filter?\u003c\/h3\u003e\u003cp\u003eYes. The Switior RF-L replacement cartridge is compatible with Top Fin Desktop Aquariums with a Large Retreat Filter. Each cartridge measures 7.48 x 2.67 inches (19.0 x 6.78 cm), a useful reference when comparing it with the cartridge space in your filter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade for the RF-L filter cartridge replacement.\u003c\/li\u003e\n\u003cli\u003eCheck the cartridge space against the stated dimensions before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat does the cartridge media do?\u003c\/h3\u003e\u003cp\u003eThe cartridge combines double high-density cotton, activated carbon, and spherical reprocessed zeolite. Cotton filters impurities and debris; the activated carbon is intended to absorb 99% of debris and odors. Zeolite adsorbs heavy metals and other harmful ingredients, helps balance pH, and is designed to support a stable water state.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe media includes three filtration materials in one cartridge.\u003c\/li\u003e\n\u003cli\u003eZeolite is also intended to improve fertilization efficiency for aquatic plants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I install and replace the cartridge?\u003c\/h3\u003e\u003cp\u003eTurn off the filter, remove the used cartridge, and rinse the new Switior cartridge under water to remove dust. Insert it into the filter’s cartridge chamber and make sure it sits completely inside the chamber. The recommended replacement interval is every 2 to 4 weeks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSwitch the filter off before removing the used cartridge.\u003c\/li\u003e\n\u003cli\u003eRinse the replacement before placing it in the chamber.\u003c\/li\u003e\n\u003cli\u003eCheck that the cartridge is fully seated after insertion.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Switior RF-L cartridge is suited to owners of compatible Top Fin desktop aquariums who want a replacement that combines cotton, activated carbon, and zeolite media. Its stated dimensions and chamber-fit requirement help guide cartridge selection and installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquarium filter is the Switior RF-L filter cartridge compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Switior RF-L filter cartridge is compatible with Top Fin Desktop Aquariums with a Large Retreat Filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I prepare the Switior filter cartridge before installing it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Turn off the filter, remove the used cartridge, rinse the new Switior filter cartridge under water, then insert it fully into the cartridge chamber.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Switior","offers":[{"title":"Default Title","offer_id":67864509022599,"sku":"B0DKX88PWY","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/switior-rf-l-filter-cartridge-front-view.jpg?v=1793484443"},{"product_id":"hweiua-rite-size-b-aquarium-filter-cartridges-8-pack-with-cotton-and-activated-carbon","title":"HWEIUA Rite-Size B Aquarium Filter Cartridges, 8-Pack with Cotton and Activated Carbon","description":"\u003cp\u003e\u003cstrong\u003eHWEIUA Rite-Size B replacement aquarium filter cartridges come in an 8-pack and are made for compatible MarineLand Penguin and Aqua-Tech power filters to mechanically trap debris and chemically remove impurities.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight replacement cartridges — keep compatible aquarium filters supplied with replacement media.\u003c\/li\u003e\n\u003cli\u003eFits specified MarineLand Penguin and Aqua-Tech filters — choose cartridges for the power-filter models named below.\u003c\/li\u003e\n\u003cli\u003eMechanical and chemical filtration — the media traps debris and absorbs impurities.\u003c\/li\u003e\n\u003cli\u003eTriple-layer construction with ultra-dense cotton and coconut-shell activated carbon — combines physical filtration with carbon absorption.\u003c\/li\u003e\n\u003cli\u003eRecommended replacement every 2–4 weeks — maintain filtration by changing cartridges regularly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese cartridges are for aquarium owners who need replacement media for particular power-filter models. Their combined filtration approach addresses visible debris as well as odors and discoloration, while the cartridge format is designed to fit the compatible filter chambers listed below. Matching the filter model is the key step when choosing this replacement.\u003c\/p\u003e\n\u003ch3\u003eWhich aquarium filters are these cartridges compatible with?\u003c\/h3\u003e\n\u003cp\u003eHWEIUA Rite-Size B cartridges fit MarineLand Penguin PRO Power Filters 100, 125 and 175, the Original Penguin Power Filter 150, and Aqua-Tech filters using the EZ-Change #2 cartridge in 10–20 gallon aquariums. Confirm that your filter uses one of these named cartridge types before choosing this pack.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarineLand models: Penguin PRO 100, 125 and 175.\u003c\/li\u003e\n\u003cli\u003eAlso fits the Original Penguin Power Filter 150.\u003c\/li\u003e\n\u003cli\u003eAqua-Tech fit: EZ-Change #2 cartridge for 10–20 gallon filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do the cartridges filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eEach HWEIUA Rite-Size B aquarium filter cartridge combines mechanical filtration with chemical absorption. Ultra-dense cotton catches debris, while coconut-shell activated carbon absorbs impurities. The cartridge is designed to help remove odors and discoloration as part of its filtration function.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical media: ultra-dense cotton.\u003c\/li\u003e\n\u003cli\u003eChemical media: coconut-shell activated carbon.\u003c\/li\u003e\n\u003cli\u003eThe combined media targets debris, odors and discoloration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you install and replace a cartridge?\u003c\/h3\u003e\n\u003cp\u003eRinse a HWEIUA Rite-Size B cartridge under cool water, line up its keyed base, then push it straight into the filter chamber until it clicks. The cartridges arrive pre-assembled, and installation requires no tools. Replace the cartridge every 2–4 weeks; accumulated debris can gradually reduce its filtration performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse first to wash away carbon dust.\u003c\/li\u003e\n\u003cli\u003eAlign the keyed base with the filter chamber.\u003c\/li\u003e\n\u003cli\u003ePush the cartridge in until it clicks into place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis pack suits aquarium owners with one of the compatible MarineLand Penguin or Aqua-Tech power filters who want replacement cartridges with both cotton filtration media and activated carbon. It is intended for those specified filter types, with the listed Aqua-Tech compatibility covering 10–20 gallon filters. Each cartridge installs directly into the matching chamber and is designed for regular replacement as debris collects.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters fit HWEIUA Rite-Size B aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HWEIUA Rite-Size B aquarium filter cartridges fit MarineLand Penguin PRO 100, 125 and 175, Original Penguin 150, and Aqua-Tech EZ-Change #2 filters for 10–20 gallon aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do you install HWEIUA Rite-Size B aquarium filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse the pre-assembled HWEIUA Rite-Size B aquarium filter cartridge under cool water, align its keyed base, and push it into the filter chamber until it clicks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HWEIUA","offers":[{"title":"Default Title","offer_id":67864836768135,"sku":"B0FFHMQSX2","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hweiua-aquarium-filter-cartridges-package-front.jpg?v=1793486441"},{"product_id":"aquaneat-activated-carbon-aquarium-filter-pad-10-5-x-36-in-cut-to-fit-sheet","title":"AQUANEAT Activated Carbon Aquarium Filter Pad, 10.5 x 36 in Cut-to-Fit Sheet","description":"\u003cp\u003e\u003cstrong\u003eAQUANEAT Aquarium Activated Carbon Filter Media Pad is designed to help filter aquarium and pond water by trapping large particles and removing discoloration, odor, pollutants, and harmful chemicals in a 10.5 x 36 in (26.67 x 91.44 cm) cut-to-fit sheet.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eActivated carbon impregnation — helps remove odor, discoloration, pollutants, and harmful chemicals from aquarium water.\u003c\/li\u003e\n\u003cli\u003eCut-to-fit sheet — lets you size the pad for your filter setup.\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater use — suits either aquarium type.\u003c\/li\u003e\n\u003cli\u003eCanister, hang-on, wet\/dry, pond, and DIY filter compatibility — supports a range of filtration setups.\u003c\/li\u003e\n\u003cli\u003eOne filter pad per pack, with dry thickness of 3\/8 to 1\/2 in (0.95 to 1.27 cm) — provides a single sheet of filter media.\u003c\/li\u003e\n\u003cli\u003eReplacement every three to four weeks, depending on tank waste load — gives a practical maintenance interval.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCloudy-looking water, unwanted odor, and suspended waste can make aquarium and pond maintenance more demanding. This media pad combines a particle-trapping layer with activated carbon to help address these water-quality concerns. Its sheet format is intended for aquarium owners who need filter media that can be cut to fit their own filter space rather than supplied as a pre-shaped insert.\u003c\/p\u003e\n\u003ch3\u003eWhat does the AQUANEAT activated carbon filter pad help remove?\u003c\/h3\u003e\n\u003cp\u003eThe pad traps large particles and is designed to remove water discoloration, odor, pollutants, and harmful chemicals. Its activated-carbon-impregnated material provides filtration alongside the physical capture of larger debris, helping keep aquarium water crystal clear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for aquarium and pond filtration.\u003c\/li\u003e\n\u003cli\u003eCombines particle trapping with activated carbon filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I fit and replace the AQUANEAT filter media pad?\u003c\/h3\u003e\n\u003cp\u003eCut the sheet to fit the filter space where you intend to use it. The stated sheet size is 10.5 x 36 in (26.67 x 91.44 cm), and its dry thickness is 3\/8 to 1\/2 in (0.95 to 1.27 cm); thickness is measured before packing and can vary by batch. Replace the pad every three to four weeks, adjusting the interval to the fish tank’s waste load.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompare the sheet dimensions with the available filter space before cutting.\u003c\/li\u003e\n\u003cli\u003eThickness refers to the dry pad before packing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich filters and aquarium types can use this pad?\u003c\/h3\u003e\n\u003cp\u003eAQUANEAT’s cut-to-fit media is suitable for freshwater and saltwater aquariums and works with canister, hang-on, wet\/dry, pond, and DIY filters. Its sheet form lets you prepare a piece for the filter arrangement you use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for freshwater and saltwater aquarium setups.\u003c\/li\u003e\n\u003cli\u003eOne filter pad is included per pack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis pad is suited to aquarium and pond keepers who want activated-carbon media in a sheet they can cut to fit, with a replacement interval guided by tank waste load. It combines large-particle trapping and activated carbon filtration in a single filter pad.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters work with the AQUANEAT Aquarium Activated Carbon Filter Media Pad?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Aquarium Activated Carbon Filter Media Pad works with canister, hang-on, wet\/dry, pond, and DIY filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the AQUANEAT Aquarium Activated Carbon Filter Media Pad?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the AQUANEAT Aquarium Activated Carbon Filter Media Pad every three to four weeks, depending on the fish tank’s waste load.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUANEAT","offers":[{"title":"Default Title","offer_id":67864854888839,"sku":"B0963P5CW9","price":33.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquaneat-aquarium-carbon-filter-pad-front.jpg?v=1793486589"},{"product_id":"fluval-flex-2-0-aquarium-filter-cartridges-3-pack-with-carbon-filtration","title":"Fluval Flex 2.0 Aquarium Filter Cartridges, 3-Pack with Carbon Filtration","description":"\u003cp\u003e\u003cstrong\u003eFluval Flex 2.0 Poly-Carb Cartridge is a replacement filter for maintaining clear aquarium water, combining mechanical and chemical filtration in a three-cartridge pack.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Fluval Flex 2.0 aquariums, Item #15050 and #15052 — matches the specified tank models.\u003c\/li\u003e\n\u003cli\u003ePolyester filtration pad — captures fine debris and waste.\u003c\/li\u003e\n\u003cli\u003eActivated carbon — removes toxins, odors, and discoloration from aquarium water.\u003c\/li\u003e\n\u003cli\u003eCarbon-impregnated polyester design — provides the cartridge’s eco-friendly filtration format.\u003c\/li\u003e\n\u003cli\u003eReplace every 2–4 weeks — supports regular filter maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRoutine aquarium filtration helps manage visible particles and water discoloration between cartridge changes. This replacement is made for owners of the Fluval Flex 2.0 who want both mechanical and chemical filtration in one cartridge. Its two filtration materials address different parts of aquarium water maintenance: the pad collects fine waste, while carbon works on odors, discoloration, and toxins.\u003c\/p\u003e\n\u003ch3\u003eHow does the Fluval Flex 2.0 cartridge filter water?\u003c\/h3\u003e\n\u003cp\u003eThe cartridge pairs a polyester pad with activated carbon to provide mechanical and chemical filtration. The pad captures fine debris and waste, while the carbon removes toxins, odors, and discoloration. Together, these functions support clear water and help maintain a balanced aquatic environment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo filtration functions are combined in one replacement cartridge.\u003c\/li\u003e\n\u003cli\u003eThe polyester and carbon components address particles and water discoloration through different filtration actions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich aquariums is this cartridge made for?\u003c\/h3\u003e\n\u003cp\u003eFluval Flex 2.0 Poly-Carb Cartridges are designed for Fluval Flex 2.0 Aquarium models Item #15050 and #15052. Match your aquarium model to these item numbers to choose the intended replacement cartridge; the design is made specifically for the Flex 2.0 setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible model numbers: Item #15050 and Item #15052.\u003c\/li\u003e\n\u003cli\u003eMade as a replacement cartridge for the Fluval Flex 2.0 filtration system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is included, and when should the cartridge be changed?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains three replacement Poly-Carb Cartridges. For best results, replace a cartridge every 2–4 weeks; the cartridge is designed for quick installation and disposal as part of routine aquarium maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree Fluval Flex 2.0 Poly-Carb Cartridges per pack.\u003c\/li\u003e\n\u003cli\u003eQuick to install and dispose of when it is time for a replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cartridge suits Fluval Flex 2.0 owners looking for a straightforward way to maintain routine filtration with a single replacement unit. Its defined model compatibility, combined filtration materials, and three-cartridge pack make it a fit for Flex 2.0 aquarium maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which aquariums does the Fluval Flex 2.0 Poly-Carb Cartridge fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Fluval Flex 2.0 Poly-Carb Cartridge is designed for Fluval Flex 2.0 Aquarium models Item #15050 and Item #15052.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the Fluval Flex 2.0 Poly-Carb Cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the Fluval Flex 2.0 Poly-Carb Cartridge every 2–4 weeks for best results. Each pack contains three replacement cartridges.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":67864924651911,"sku":"B0FYB7V7RR","price":34.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/fluval-poly-carb-cartridge-front-view.jpg?v=1793487030"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/collections\/hedday-ef-s-filter-cartridges-front-view_072de2cc-009e-4908-b4d6-e94fb7ac2ae1.jpg?v=1793657100","url":"https:\/\/ardentpets.co.uk\/collections\/aquarium-carbon.oembed","provider":"ArdentPets","version":"1.0","type":"link"}