{"title":"Sponge Filters","description":"\u003cp\u003eAir-driven sponge filters that are gentle enough for fry, shrimp and bettas. You will find pieces from \u003ca href=\"\/collections\/hygger\"\u003ehygger\u003c\/a\u003e, Aquapapa, Pawfly and 13 more.\u003c\/p\u003e\u003cp\u003eStep back to \u003ca href=\"\/collections\/aquarium-filters\"\u003eAquarium Filters\u003c\/a\u003e; nearby pages include \u003ca href=\"\/collections\/canister-filters\"\u003eCanister Filters\u003c\/a\u003e, \u003ca href=\"\/collections\/internal-aquarium-filters\"\u003eInternal Aquarium Filters\u003c\/a\u003e and \u003ca href=\"\/collections\/hang-on-filters\"\u003eHang-On-Back Filters\u003c\/a\u003e.\u003c\/p\u003e\u003cp class=\"ap-care-link\"\u003eCare guide from the ArdentPets Journal: \u003ca href=\"\/blogs\/journal\/aquarium-fish-illness-signs-and-quarantine\"\u003eSigns of illness in aquarium fish, and how to quarantine new arrivals\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sicce-shark-pro-replacement-filter-cartridges-3-piece-20-30-ppi-sponge-set","title":"Sicce Shark PRO Replacement Filter Cartridges, 3-Piece 20\/30 PPI Sponge Set","description":"\u003cp\u003e\u003cstrong\u003eSicce Shark PRO Replacement Cartridges are sponge modules for Shark PRO internal filters, with two 20 ppi sponges and one 30 ppi sponge for submerged freshwater or saltwater use.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThree sponge pieces: two at 20 ppi and one at 30 ppi — provides the specified replacement media for your Shark PRO filter.\u003c\/li\u003e\n\u003cli\u003eFor freshwater and saltwater aquariums — suits either type of aquarium.\u003c\/li\u003e\n\u003cli\u003eDesigned for submerged use — made for use within an aquarium filter.\u003c\/li\u003e\n\u003cli\u003ePart of the Shark PRO modular filter system — the system can accept an added filtering compartment.\u003c\/li\u003e\n\u003cli\u003eShark PRO filter features include a transparent mechanical body — lets you see the clogging level.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese replacement sponge modules are for aquarium keepers maintaining a Sicce Shark PRO internal filter. The stated freshwater and saltwater use makes them suitable for either aquarium environment, while the submerged-use design fits the filter’s in-aquarium setup. The Shark PRO system combines replaceable filter components with features intended to make routine filter access and monitoring more straightforward.\u003c\/p\u003e\u003ch3\u003eWhat comes in the Sicce Shark PRO replacement cartridge module?\u003c\/h3\u003e\u003cp\u003eThe module contains two sponge pieces rated at 20 ppi and one rated at 30 ppi. These are the sponge components supplied for replacing media in the Shark PRO filter; the two ratings identify the different sponge specifications in the set.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo 20 ppi sponge pieces.\u003c\/li\u003e\n\u003cli\u003eOne 30 ppi sponge piece.\u003c\/li\u003e\n\u003cli\u003eReplacement module for the Sicce Shark PRO internal filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCan I use these cartridges in freshwater and saltwater?\u003c\/h3\u003e\u003cp\u003eYes, the Sicce Shark PRO replacement cartridges are intended for both freshwater and saltwater setups and are designed for submerged use. They are made for the Shark PRO internal filter rather than presented as universal replacement media, so choose them for that filter system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFreshwater use.\u003c\/li\u003e\n\u003cli\u003eSaltwater use.\u003c\/li\u003e\n\u003cli\u003eSubmerged filter use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat features does the Shark PRO filter system offer?\u003c\/h3\u003e\u003cp\u003eThe Shark PRO internal filter uses a patented magnetic quick uncoupling system called MCS, and its modular design allows an extra filtering compartment to be added. The adjustable intake diameter is designed to help protect small fish, while the transparent mechanical filter body makes it easier to monitor clogging. A Venturi system supports improved oxygenation, and the magnet connection system is designed to make maintenance easier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePatented magnetic quick uncoupling system (MCS).\u003c\/li\u003e\n\u003cli\u003eModular design that allows an extra filtering compartment.\u003c\/li\u003e\n\u003cli\u003eAdjustable intake diameter and visible clogging level.\u003c\/li\u003e\n\u003cli\u003eVenturi system for improved oxygenation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSicce has been in the aquarium and gardening market for over 40 years and is recognized worldwide for versatile, high-quality products. The brand expects traditional Shark PRO use to provide performance over multiple years with regular maintenance and care. These replacement sponge modules suit aquarium keepers maintaining a compatible Shark PRO internal filter in a freshwater or saltwater aquarium. They provide two 20 ppi sponges and one 30 ppi sponge for submerged 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: What is included in the Sicce Shark PRO replacement cartridge module?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Sicce Shark PRO replacement cartridge module contains two 20 ppi sponge pieces and one 30 ppi sponge piece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are Sicce Shark PRO replacement cartridges suitable for saltwater aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Sicce Shark PRO replacement cartridges are intended for freshwater and saltwater aquariums and for submerged use in the Shark PRO internal filter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sicce","offers":[{"title":"Default Title","offer_id":67854599913863,"sku":"B0B2MXXMZZ","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/sicce-shark-pro-replacement-cartridges-module.jpg?v=1793454084"},{"product_id":"aquapapa-dual-bio-sponge-filters-4-pack-for-betta-fry-up-to-30-gallons-each","title":"Aquapapa Dual Bio Sponge Filters, 4-Pack for Betta Fry, Up to 114 L Each","description":"\u003cp\u003eAquapapa 4X Dual Bio Sponge Filters are a four-filter aquarium set for betta fry and other aquarium tanks, with each filter suitable for tanks up to 30 gallons (114 L).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — the sponge catches waste particles while supporting biological filtration.\u003c\/li\u003e\n\u003cli\u003eAir-infusion chamber makes fine bubbles — bubbles promote gas exchange and increase dissolved oxygen in the water.\u003c\/li\u003e\n\u003cli\u003eSponge filtration for baby fish — traps waste without trapping baby fish.\u003c\/li\u003e\n\u003cli\u003eBreeding, secondary, or pre-filtration use — offers several ways to add filtration to an aquarium setup.\u003c\/li\u003e\n\u003cli\u003eConnects to an air pump with airline tubing — aeration and filtration work through an air-powered connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor fry tanks, a filter needs to capture waste while allowing baby fish to remain free from being trapped in the filtration material. These sponge filters combine particle capture with biological filtration and aeration, making them suitable for breeding setups as well as tanks that need a secondary filter or a pre-filter for another filtration system.\u003c\/p\u003e\u003ch3\u003eHow do these sponge filters support aquarium filtration?\u003c\/h3\u003e\u003cp\u003eEach filter provides mechanical and biological filtration, while its air-infusion chamber produces minute bubbles that promote gas exchange and increase dissolved oxygen in the water. The sponge catches waste particles to help keep aquarium water clean and clear, without trapping baby fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir-powered operation combines aeration and filtration in one unit.\u003c\/li\u003e\n\u003cli\u003eThe sponge provides the surface that captures waste particles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat tank size and filter placements are suitable?\u003c\/h3\u003e\u003cp\u003eEach Aquapapa filter is for a tank up to 30 gallons (114 L), and measures 5.0 × 1.8 × 5.5 inches (12.7 × 4.6 × 14 cm). It can be used as a breeding filter, a secondary filter, or as a pre-filtration unit fitted to an external or top filter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSponge dimensions: 1.8 inches (4.6 cm) in diameter × 3.0 inches (7.6 cm) high.\u003c\/li\u003e\n\u003cli\u003eChoose the filter placement to match its role in your setup: breeding, secondary filtration, or pre-filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes in the pack, and what is needed to set it up?\u003c\/h3\u003e\u003cp\u003eThe pack contains four sponge filters in a poly bag. To set up a filter, connect it to an air pump using airline tubing; the air pump and airline tubing are sold separately and are not included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePackage contents: four sponge filters.\u003c\/li\u003e\n\u003cli\u003eRequired for operation: an air pump and airline tubing, purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAquapapa 4X Dual Bio Sponge Filters suit aquarium keepers who need filtration for a fry or breeding tank, a secondary filter, or a pre-filter connected to an external or top filter. Each unit combines a waste-catching sponge with air-powered biological filtration and aeration for tanks up to 30 gallons.\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 tank size is each Aquapapa Dual Bio Sponge Filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each Aquapapa Dual Bio Sponge Filter is suitable for an aquarium up to 30 gallons (114 L).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What do I need to operate an Aquapapa Dual Bio Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Connect the Aquapapa Dual Bio Sponge Filter to an air pump using airline tubing; both the air pump and tubing are sold separately and are not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aquapapa","offers":[{"title":"Default Title","offer_id":67854629896583,"sku":"B01N7V15LJ","price":30.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquapapa-sponge-filter-front-view.jpg?v=1793454382"},{"product_id":"tararium-aquarium-filter-sponge-replacements-for-jqp-1500f-jqp-2500f-models","title":"TARARIUM Aquarium Filter Sponge Replacements for JQP-1500F\/JQP-2500F Models","description":"\u003cp\u003e\u003cstrong\u003eTARARIUM replacement aquarium filter sponges are made for the JQP-1500F and JQP-2500F filters, providing replacement sponges for these two models.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade for TARARIUM JQP-1500F — choose a replacement sponge for this filter model.\u003c\/li\u003e\n\u003cli\u003eMade for TARARIUM JQP-2500F — also compatible with this filter model.\u003c\/li\u003e\n\u003cli\u003eReplacement filter sponges — intended to replace the sponge filters in a compatible unit.\u003c\/li\u003e\n\u003cli\u003eAquarium filter component — suited to maintaining a compatible aquarium filter with its replacement sponge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen a compatible aquarium filter needs a replacement sponge, this TARARIUM part is made for the JQP-1500F and JQP-2500F models. Its model-specific fit helps identify whether it matches the filter you use.\u003c\/p\u003e\n\u003ch3\u003eWhich filters are these replacement sponges made for?\u003c\/h3\u003e\n\u003cp\u003eThey are made for the TARARIUM JQP-1500F and JQP-2500F aquarium filters. Match your filter model to one of these names when choosing a replacement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible model: JQP-1500F.\u003c\/li\u003e\n\u003cli\u003eCompatible model: JQP-2500F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is the TARARIUM sponge replacement for?\u003c\/h3\u003e\n\u003cp\u003eIt is a replacement sponge filter for a compatible TARARIUM aquarium filter. The stated purpose is to replace the filter sponge used with either of the two supported models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct type: aquarium filter sponge replacement.\u003c\/li\u003e\n\u003cli\u003eBrand: TARARIUM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis replacement is suited to aquarium owners whose filter is a TARARIUM JQP-1500F or JQP-2500F and who need a matching sponge filter. Its stated compatibility is limited to those two 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 aquarium filters are compatible with the TARARIUM replacement sponges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: TARARIUM replacement aquarium filter sponges are made for the JQP-1500F and JQP-2500F filter models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the TARARIUM replacement sponge used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The TARARIUM aquarium filter sponge is a replacement part for a compatible JQP-1500F or JQP-2500F filter.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TARARIUM","offers":[{"title":"Default Title","offer_id":67855348302215,"sku":"B0F2TB571K","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/tararium-aquarium-filter-sponge-replacement.jpg?v=1793456158"},{"product_id":"aquapapa-corner-aquarium-sponge-filter-2-pack-for-20-gallon-tanks-with-ceramic-media","title":"Aquapapa Corner Aquarium Sponge Filter, 2-Pack for 75.7 L Tanks with Ceramic Media","description":"\u003cp\u003e\u003cstrong\u003eAquapapa Corner Filter is an air-driven aquarium bio-sponge filter for water filtration, supplied as a 2-pack with each unit rated for tanks up to 20 gal (75.7 L).\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWhite top filter pad provides mechanical filtration — adds a physical filtration layer.\u003c\/li\u003e\n\u003cli\u003eBlack bio-sponge and ceramic media provide biological filtration — combine two biological filter materials.\u003c\/li\u003e\n\u003cli\u003eMulti-layer filtration increases oxygen solubility — supports oxygen availability in the tank.\u003c\/li\u003e\n\u003cli\u003eQuiet filtering suits breeding setups for small fish — keeps the filter appropriate for these aquariums.\u003c\/li\u003e\n\u003cli\u003eRinse the sponge when it becomes dirty — keeps routine cleaning simple.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor aquarists setting up a breeding tank or a compact aquarium for fry, shrimp, or nano fish, this corner filter combines physical and biological filtration. Its air-driven design makes it a filtration option for tanks where quiet operation matters, including setups for small fish.\u003c\/p\u003e\u003ch3\u003eHow does Aquapapa Corner Filter clean aquarium water?\u003c\/h3\u003e\u003cp\u003eIt uses a white top filter pad for mechanical filtration, while the black bio-sponge and ceramic material provide biological filtration. Together, these layers are designed to remove harmful waste and help maintain clean water for fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe filter combines mechanical and biological filtration in one unit.\u003c\/li\u003e\n\u003cli\u003eIts filtration system increases oxygen solubility in the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat equipment does the air-driven filter need?\u003c\/h3\u003e\u003cp\u003eEach filter requires an air pump and airline tubing to operate; both are sold separately and are not included. The system filters quietly and is especially suited to breeding small fish, including fry-focused aquarium setups.\u003c\/p\u003e\u003cul\u003e\u003cli\u003eEach unit measures 2-7\/8 in (7.3 cm) R x 3-3\/4 in (9.5 cm) H.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhat comes in the set, and how do I clean it?\u003c\/h3\u003e\u003cp\u003eThe set includes the filter components, including gravel, ceramic material, and sponge. When a sponge becomes dirty, remove it and rinse it well before returning it to the filter.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe air pump and airline tubing are separate equipment, not included with the filter set.\u003c\/li\u003e\n\u003cli\u003eCleaning is done by rinsing the sponge when dirty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAquapapa Corner Filter suits aquarists who want air-driven filtration for a small-fish breeding aquarium, a shrimp tank, or a nano fish setup. Its layered mechanical and biological filtration, compact listed dimensions, and tank capacity of up to 20 gal per unit define its fit for these 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: What size aquarium is each Aquapapa Corner Filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each Aquapapa Corner Filter is rated for an aquarium up to 20 gal (75.7 L). The 2-pack contains two filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the Aquapapa Corner Filter need to run?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Aquapapa Corner Filter requires an air pump and airline tubing to operate. Both are sold separately and are not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aquapapa","offers":[{"title":"Default Title","offer_id":67855540715911,"sku":"B07NCH9KNH","price":31.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquapapa-corner-bio-sponge-filter-front.jpg?v=1793456878"},{"product_id":"upettools-aquarium-sponge-filter-for-10-40-gallon-tanks-7-layer-design-with-2-spare-sponges","title":"UPETTOOLS Aquarium Sponge Filter for 37.9–151 L Tanks, 7-Layer Design with 2 Spare Sponges","description":"\u003cp\u003e\u003cstrong\u003eUPETTOOLS is a sponge aquarium filter for 10–40 gallon tanks, with a ribbed sponge for mechanical and biological filtration and a 360-degree rotating oxygen outlet.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor 10–40 gallon aquariums — fits the stated tank capacity range.\u003c\/li\u003e\n\u003cli\u003eSeven-layer ribbed sponge design — supports biological filtration and water purification.\u003c\/li\u003e\n\u003cli\u003eMechanical and biological filtration — traps floating debris while providing a surface for bio-filtration.\u003c\/li\u003e\n\u003cli\u003e360-degree rotating oxygen outlet — lets you direct the outlet around the tank.\u003c\/li\u003e\n\u003cli\u003eFilter set includes two spare sponges and two bags of ceramic media balls — supplies additional filter media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is made for aquarium keepers who want to filter and oxygenate tank water using an air-driven sponge unit. Its stated capacity range and suitability for freshwater and saltwater tanks make it useful for ornamental fish setups, including small fish, shrimp and bettas.\u003c\/p\u003e\n\u003ch3\u003eWhich aquariums and fish is this sponge filter suited to?\u003c\/h3\u003e\n\u003cp\u003eUPETTOOLS is intended for aquariums holding 10–40 gallons (38–151 L), in freshwater or saltwater. It can be positioned using its two suction cups, including against the back wall of the aquarium where it can be tucked out of view. The listed use cases include ornamental fish keeping and breeding, with small fish, shrimp, bettas and colorful fairy fish among the examples.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo suction cups attach the unit inside the aquarium.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater and saltwater environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the filter clean and oxygenate aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe sponge provides mechanical filtration by catching floating debris and biological filtration by helping establish a bio-filter. Its seven-layer ribbed shape is designed to support water purification, while the oxygen outlet rotates through 360 degrees to direct flow around the tank. The filter must be connected to an air pump with a standard-size 4 mm air hose; install the airline and switch on the pump to operate it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe sponge can help protect baby fish from being drawn into the filter.\u003c\/li\u003e\n\u003cli\u003eThe air-driven setup both filters and oxygenates tank water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes with it, and how do you clean the sponge?\u003c\/h3\u003e\n\u003cp\u003eThe set contains one sponge filter with one container, two suction cups, two bags of ceramic media balls and two spare sponges. The sponge can be removed for cleaning or replacement. To clean it, squeeze the sponge in water from the aquarium rather than washing it with tap water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemovable sponge makes cleaning or replacement straightforward.\u003c\/li\u003e\n\u003cli\u003eUse aquarium water when squeezing out trapped debris.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUPETTOOLS suits keepers of 10–40 gallon freshwater or saltwater aquariums who want an air-pump-driven filter for ornamental fish, small fish, shrimp or bettas. Its removable sponge, ceramic media and included spare sponges make it a practical fit for routine aquarium filtration and 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: What air pump and hose does the UPETTOOLS aquarium sponge filter need?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The UPETTOOLS aquarium sponge filter must be connected to an air pump and a standard-size 4 mm air hose.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I clean the UPETTOOLS aquarium sponge filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Remove the sponge and squeeze it in aquarium water to clean it; do not use tap water.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"UPETTOOLS","offers":[{"title":"Default Title","offer_id":67855679357319,"sku":"B07JVDYJVS","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/upettools-aquarium-sponge-filter-front-view.jpg?v=1793457559"},{"product_id":"gvvycc-aquarium-filter-sponge-2-pack-for-cascade-600-reusable-high-porosity-design","title":"Gvvycc Aquarium Filter Sponge 2-Pack for Cascade 600, Reusable High-Porosity Design","description":"\u003cp\u003e\u003cstrong\u003eGvvycc Aquarium Filter Sponge is a two-piece replacement filter sponge for Penn-Plax Cascade 600 sponge filters, sized 2.5 x 3 x 5.5 in (6.35 x 7.62 x 13.97 cm) for aquarium filtration.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Penn-Plax Cascade 600 sponge filters — replace a worn sponge while keeping the filter in use.\u003c\/li\u003e\n\u003cli\u003eHigh-porosity biochemical sponge — catches fish waste and leftover food while providing a surface for beneficial aquatic microorganisms.\u003c\/li\u003e\n\u003cli\u003eTwo sponges in each pack — keep a replacement on hand for regular filter maintenance.\u003c\/li\u003e\n\u003cli\u003eWashable and reusable material — rinse and reuse the sponge instead of discarding it after one cleaning.\u003c\/li\u003e\n\u003cli\u003eNo chemical additives — made for use with fish, shrimp, aquatic plants, and freshwater or seawater organisms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA filter sponge helps capture visible debris while supporting biological filtration in an aquarium. This replacement set is made for Cascade 600 users who need a compatible sponge for routine upkeep, and its washable design suits repeated maintenance.\u003c\/p\u003e\u003ch3\u003eWhat does the Gvvycc Aquarium Filter Sponge do?\u003c\/h3\u003e\u003cp\u003eThe high-porosity sponge intercepts fish waste, uneaten food, and other impurities as water passes through it. Its porous structure also provides a place for beneficial aquatic microorganisms to grow, supporting biological filtration alongside the capture of debris. The sponge is designed to allow water to pass through evenly and maintain filtration performance with continued use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCombines debris interception with support for beneficial microorganisms.\u003c\/li\u003e\n\u003cli\u003eFlexible material is designed to resist deformation and tearing during reuse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWill this sponge fit my aquarium filter, and what is included?\u003c\/h3\u003e\u003cp\u003eThis replacement is made for Penn-Plax Cascade 600 sponge filters, and the package contains two biological sponges. Each sponge measures 2.5 x 3 x 5.5 in (6.35 x 7.62 x 13.97 cm), so compare those dimensions with the sponge used in your Cascade 600 filter before choosing it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuantity: 2 replacement sponges.\u003c\/li\u003e\n\u003cli\u003eIntended filter compatibility: Penn-Plax Cascade 600.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I clean and reuse the sponge?\u003c\/h3\u003e\u003cp\u003eRinse the sponge in a separate container using aquarium water, then return it to use. This cleaning method helps preserve the anaerobic flora within the sponge. The material can be washed repeatedly, making it suitable for ongoing filter care rather than single-use replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse aquarium water for rinsing.\u003c\/li\u003e\n\u003cli\u003eClean in a separate container.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater and seawater aquarium organisms, including fish, shrimp, and aquatic plants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGvvycc Aquarium Filter Sponge suits aquarium keepers maintaining a compatible Cascade 600 filter who want a reusable replacement for regular upkeep. Its two-sponge set combines debris capture and biological filtration support in a washable format.\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 Gvvycc Aquarium Filter Sponge compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Gvvycc Aquarium Filter Sponge is made for Penn-Plax Cascade 600 sponge filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many sponges come in the Gvvycc Aquarium Filter Sponge pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Gvvycc Aquarium Filter Sponge pack contains two washable biological sponges, each measuring 2.5 x 3 x 5.5 in (6.35 x 7.62 x 13.97 cm).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Gvvycc","offers":[{"title":"Default Title","offer_id":67855683944839,"sku":"B0FHH7TQPK","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/gvvycc-aquarium-filter-sponge-front-view.jpg?v=1793457580"},{"product_id":"aquapapa-aquarium-bio-sponge-filter-2-pack-quiet-double-sponges-for-tanks-up-to-55-gallons","title":"Aquapapa Aquarium Bio Sponge Filter 2-Pack, Quiet Double Sponges for Tanks Up to 208 L","description":"\u003cp\u003e\u003cstrong\u003eAquapapa Aquarium Bio Sponge Filters provide quiet mechanical and biological filtration for fry, betta, and shrimp tanks, with two filters rated for aquariums up to 55 gallons (208 L) each.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo sponge filters in one pack — outfit a tank or keep a second filter available for another aquarium.\u003c\/li\u003e\n\u003cli\u003eMechanical and biological filtration — traps waste particles while providing filtration through the sponge.\u003c\/li\u003e\n\u003cli\u003eSponge filtration that does not trap baby fish — supports use in aquariums with fry.\u003c\/li\u003e\n\u003cli\u003eQuiet design — brings filtration to tanks without a noisy filter being the focus.\u003c\/li\u003e\n\u003cli\u003eConnects to an air pump with airline tubing — combines aeration and filtration in one unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFry, bettas, and shrimp can benefit from filtration that captures waste without trapping small fish. These filters are made for aquarium setups that need both water filtration and aeration, including breeding tanks and tanks where a sponge filter serves as a secondary filtration unit.\u003c\/p\u003e\n\u003ch3\u003eHow do the Aquapapa sponge filters clean and aerate aquarium water?\u003c\/h3\u003e\n\u003cp\u003eEach filter uses a sponge to catch waste particles mechanically and also provides biological filtration. The sponge filters the water without trapping baby fish, and the filtration is designed to help keep aquarium water clean and clear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAn air infusion chamber produces numerous minute bubbles.\u003c\/li\u003e\n\u003cli\u003eThe bubbles promote gas exchange and increase dissolved oxygen in the tank water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you set up the Aquapapa aquarium sponge filters?\u003c\/h3\u003e\n\u003cp\u003eConnect each unit to an air pump through airline tubing to run filtration and aeration. The setup is straightforward: the filter connects to the pump through the airline, with the air pump and tubing sold separately and not included in the pack.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAir pump: sold separately.\u003c\/li\u003e\n\u003cli\u003eAirline tubing: sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat size tanks and filter placements suit these units?\u003c\/h3\u003e\n\u003cp\u003eEach filter is rated for a tank up to 55 gallons (208 L). The overall filter measures 6.5 in L x 2.4 in W x 9.5 in H (16.5 x 6.1 x 24.1 cm), and the sponge measures 2.4 in D x 4.5 in H (6.1 x 11.4 cm); compare these dimensions with your aquarium space before setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse as a breeding filter.\u003c\/li\u003e\n\u003cli\u003eUse as a secondary filter, or fit it to an external or top filter as a pre-filtration unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium keepers setting up fry, betta, or shrimp tanks can use the two-filter pack for mechanical and biological filtration with aeration from an air pump. Its defined tank capacity and compact sponge-filter format suit breeding, secondary-filtration, and pre-filtration roles.\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 tank size can each Aquapapa Aquarium Bio Sponge Filter serve?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each Aquapapa Aquarium Bio Sponge Filter is rated for an aquarium up to 55 gallons (208 L). The pack contains two filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What do I need to run the Aquapapa Aquarium Bio Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Connect each Aquapapa Aquarium Bio Sponge Filter to an air pump using airline tubing. The air pump and airline tubing are sold separately and are not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aquapapa","offers":[{"title":"Default Title","offer_id":67856097640839,"sku":"B07H7DRCG1","price":29.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquapapa-aquarium-sponge-filter-front-view.jpg?v=1793459398"},{"product_id":"pawfly-internal-aquarium-filter-for-30-60-gallon-tanks-160-gph-quiet-sponge-filtration","title":"Pawfly Internal Aquarium Filter for 114–227 L Tanks, 160 GPH Quiet Sponge Filtration","description":"\u003cp\u003ePawfly is a quiet, submersible internal aquarium filter for circulating and filtering water in 30–60 gallon fish tanks, with a 160 GPH pump and sponge filtration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological sponge filtration — captures debris and waste while allowing shrimp and fry to pass safely.\u003c\/li\u003e\n\u003cli\u003e160 GPH water pump — helps circulate aquarium water.\u003c\/li\u003e\n\u003cli\u003eDrenching and spraying outlets with an adjustable flow knob — lets you direct and regulate the water output.\u003c\/li\u003e\n\u003cli\u003eClear airline tubing and bubble output — adds oxygen to the water.\u003c\/li\u003e\n\u003cli\u003e8 W power draw — runs the filter pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor aquariums with ornamental fish, shrimp, or fry, filtration and water movement need to work together without drawing small aquatic animals into the filter. Pawfly combines sponge-based filtration with adjustable water outlets and an air line, making it suited to everyday tank use as well as breeding and feeding setups. Its compact body measures 1.65 inches wide (4.19 cm) by 6.8 inches high (17.27 cm), a useful fit reference when comparing available space inside a tank.\u003c\/p\u003e\u003ch3\u003eWhat does the sponge filter do for aquarium water?\u003c\/h3\u003e\u003cp\u003eThe sponge provides mechanical and biological filtration: it traps visible debris and waste while also serving as the filter medium for biological filtration. Its intake design does not suck up shrimp or fry, making it suitable for tanks that contain small aquatic life. The submersible filter sits inside the aquarium and supports water circulation as it operates.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for ornamental fish, shrimp, and fry.\u003c\/li\u003e\n\u003cli\u003eSuitable for breeding and feeding aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow can I adjust the water flow and outlet?\u003c\/h3\u003e\u003cp\u003eChoose between the drenching pipe and spraying pipe, then slide the knob to adjust the flow to your aquarium’s needs. The two outlet styles give you options for directing water back into the tank, while the pump’s circulation helps keep water moving. The filter also uses clear airline tubing to draw in air and produce bubbles, increasing oxygen solubility in the water.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo outlet pipe styles are included with the filter.\u003c\/li\u003e\n\u003cli\u003eAir entry through the tubing creates bubbles in the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do I clean the Pawfly filter?\u003c\/h3\u003e\u003cp\u003eSeparate the pump from the filter to clean the pump, and remove the bottom cover to access the sponge. For pump cleaning, remove the impeller cover and clean the pump thoroughly. Rinse the sponge every two weeks using aquarium water only.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemove the impeller cover to reach the pump components.\u003c\/li\u003e\n\u003cli\u003eUse aquarium water when rinsing the sponge.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePawfly suits aquarium keepers who want one internal unit for sponge filtration, adjustable circulation, and added air bubbles, including those caring for shrimp or fry. Its 30–60 gallon tank range and compact listed dimensions make it a clear fit for appropriately sized 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: What size aquarium is the Pawfly internal aquarium filter designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Pawfly internal aquarium filter is designed for 30–60 gallon fish tanks and measures 1.65 inches wide by 6.8 inches high.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I rinse the Pawfly filter sponge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse the Pawfly internal aquarium filter sponge every two weeks using aquarium water only. Remove the bottom cover to take out the sponge.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pawfly","offers":[{"title":"Default Title","offer_id":67856593912199,"sku":"B0D1JSSNKV","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pawfly-aquarium-filter-front-view.jpg?v=1793461123"},{"product_id":"pawfly-aquarium-sponge-filter-for-20-40-gallon-tanks-air-powered-aeration","title":"Pawfly Aquarium Sponge Filter for 75.7–151 L Tanks, Air-Powered Aeration","description":"\u003cp\u003ePawfly Large Aquarium Sponge Filter is an internal, submersible aquarium filter for mechanical and biological filtration in 20–40 gallon (76–151 L) fish tanks, with a foam sponge and bottom filter balls.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTraps debris, leftover food, waste and other impurities — helps keep aquarium water clean.\u003c\/li\u003e\n\u003cli\u003eBottom filter balls support biological filtration — help block larger particles and accumulate beneficial elements.\u003c\/li\u003e\n\u003cli\u003eAir-powered aeration delivers 1.3 L\/min — the bubble cascade promotes oxygen circulation in the tank.\u003c\/li\u003e\n\u003cli\u003eRequires an air pump under 5 W, which is not included — choose a pump within that limit.\u003c\/li\u003e\n\u003cli\u003eDetaches for cleaning — the sponge can be rinsed and replaced on a regular schedule.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter is made for tanks that need both water filtration and air-powered aeration, including aquariums used for breeding and raising ornamental fish, shrimp or fry. Its internal, submersible design places the filtration unit in the tank, where the sponge catches suspended debris and the filter balls provide a second filtration function.\u003c\/p\u003e\u003ch3\u003eWhat tank size does the Pawfly Large Aquarium Sponge Filter fit?\u003c\/h3\u003e\u003cp\u003eThe Pawfly Large Aquarium Sponge Filter is sized for 20–40 gallon aquariums and measures 4.12 in (10.46 cm) wide by 2.2 in (5.59 cm) high. Compare these dimensions and the tank capacity with your setup before choosing it. The filter is suitable for breeding and feeding tanks for ornamental fish, shrimp and fish fry.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTank capacity: 20–40 gallons (76–151 L).\u003c\/li\u003e\n\u003cli\u003eFilter dimensions: 4.12 in (10.46 cm) W × 2.2 in (5.59 cm) H.\u003c\/li\u003e\n\u003cli\u003eIntended for use inside the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow does the filter clean and aerate aquarium water?\u003c\/h3\u003e\u003cp\u003eThe Pawfly Large Aquarium Sponge Filter uses its foam sponge to capture debris, food residues, waste and other impurities before they enter the aquarium. Mini filter balls at the bottom help block larger particles and accumulate beneficial elements, supporting biological filtration to remove excess harmful substances. Air-powered operation creates a cascade of dense bubbles; the air-stone jetting volume is 1.3 L\/min, promoting oxygen circulation in the water.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir pump requirement: under 5 W.\u003c\/li\u003e\n\u003cli\u003eAir pump is not included.\u003c\/li\u003e\n\u003cli\u003eDesigned for quiet aeration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you clean and maintain the Pawfly Large Aquarium Sponge Filter?\u003c\/h3\u003e\u003cp\u003eThe filter detaches for cleaning. Rinse the sponge every 2–4 weeks using aquarium water only; do not soak or wash it in tap water. Replace the white sponge every 2–3 months to follow the stated maintenance schedule.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRinse the sponge with aquarium water only.\u003c\/li\u003e\n\u003cli\u003eDo not use tap water to wash or soak the sponge.\u003c\/li\u003e\n\u003cli\u003eReplace the white sponge every 2–3 months.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Pawfly Large Aquarium Sponge Filter suits aquarium keepers looking for an internal filter for a 20–40 gallon tank, especially for breeding or raising ornamental fish, shrimp or fry. Its sponge filtration, bottom filter balls and air-powered aeration combine water cleaning with oxygen circulation in one submersible unit.\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 tank size is the Pawfly Large Aquarium Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Pawfly Large Aquarium Sponge Filter is designed for 20–40 gallon (76–151 L) fish tanks and measures 4.12 in (10.46 cm) wide by 2.2 in (5.59 cm) high.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the Pawfly Large Aquarium Sponge Filter include an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The Pawfly Large Aquarium Sponge Filter requires an air pump under 5 W, and the air pump is not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pawfly","offers":[{"title":"Default Title","offer_id":67857314546055,"sku":"B0D4PP5ZG6","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pawfly-large-aquarium-sponge-filter-front-view.jpg?v=1793463634"},{"product_id":"aquaneat-aquarium-electric-sponge-filter-40-gallon-with-two-extra-sponges","title":"AQUANEAT Aquarium Electric Sponge Filter, 151 L, with Two Extra Sponges","description":"\u003cp\u003e\u003cstrong\u003eAQUANEAT Aquarium Electric Sponge Filter is a plug-in aquarium filter for mechanical and biological filtration, with an electric motor that works without a separate air pump.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — supports two filtration functions in one sponge filter.\u003c\/li\u003e\n\u003cli\u003eAir-infusion chamber makes minute bubbles — increases oxygen solubility in the water.\u003c\/li\u003e\n\u003cli\u003eTwo media containers with ceramic balls — lets you replace the ceramic media with other media.\u003c\/li\u003e\n\u003cli\u003eElectric motor with plug-in operation — runs without a separate air pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor aquarium keepers looking for a filter that combines sponge filtration and air infusion, this AQUANEAT model is designed to run from its electric motor rather than an air pump. Its sponge provides mechanical and biological filtration, while the chamber produces minute bubbles. The filter is recommended for tanks up to 40 gal (151 L), making tank capacity an important fit to consider.\u003c\/p\u003e\u003ch3\u003eHow does the AQUANEAT sponge filter clean and aerate aquarium water?\u003c\/h3\u003e\u003cp\u003eThe sponge provides both mechanical and biological filtration, and the air-infusion chamber produces minute bubbles that increase oxygen solubility. These functions are combined in one electric filter, so there is no separate air pump to operate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe sponge is the filter medium for both stated filtration functions.\u003c\/li\u003e\n\u003cli\u003eThe air-infusion chamber produces the bubbles that increase oxygen solubility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat tank size and sponge dimensions fit this filter?\u003c\/h3\u003e\u003cp\u003eAQUANEAT recommends this filter for an aquarium up to 40 gal (151 L). The sponge measures 1.75 in in diameter x 4.5 in high (4.45 cm x 11.43 cm), providing the dimensions to compare with the space available in your tank.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecommended tank capacity: up to 40 gal (151 L).\u003c\/li\u003e\n\u003cli\u003eSponge size: 1.75 in diameter x 4.5 in high (4.45 cm x 11.43 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat media and spare sponges come with it?\u003c\/h3\u003e\u003cp\u003eThe filter has two media containers with ceramic balls, and AQUANEAT includes two spare sponges. Remove the spare sponges before using the filter; they can be placed in the filter box for use as sponges.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo media containers hold ceramic media.\u003c\/li\u003e\n\u003cli\u003eThe ceramic media can be replaced with other media.\u003c\/li\u003e\n\u003cli\u003eTwo spare sponges are included; take them out before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter suits aquarium keepers who want an electric sponge filter with mechanical and biological filtration and a recommended tank capacity of up to 40 gal. Its design brings sponge filtration and an air-infusion chamber together in a plug-in unit that does not need a separate air pump.\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 tank size is the AQUANEAT Aquarium Electric Sponge Filter recommended for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Aquarium Electric Sponge Filter is recommended for aquariums up to 40 gal (151 L).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I prepare the spare sponges for the AQUANEAT Aquarium Electric Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Aquarium Electric Sponge Filter includes two spare sponges; remove them before use, then place them in the filter box.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUANEAT","offers":[{"title":"Default Title","offer_id":67857452499335,"sku":"B0DJSJQHXJ","price":29.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquaneat-electric-sponge-filter-front-view.jpg?v=1793464058"},{"product_id":"upettools-aquarium-sponge-filter-for-20-40-gallon-tanks-compact-quiet-bio-filtration","title":"UPETTOOLS Aquarium Sponge Filter for 75.7–151 L Tanks, Compact Quiet Bio Filtration","description":"\u003cp\u003e\u003cstrong\u003eUPETTOOLS Aquarium Sponge Filter is a compact internal filter for 20–40 gallon (75.7–151.4 L) aquariums, measuring 4.72 in W x 2.17 in H (12 cm W x 5.51 cm H).\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor 20–40 gallon aquariums — choose it for a tank within its stated capacity.\u003c\/li\u003e\n\u003cli\u003eSponge, filter stones and removable bubble stones — combine filtration components in one filter.\u003c\/li\u003e\n\u003cli\u003eRemovable filter sponge — take it out for cleaning or replacement.\u003c\/li\u003e\n\u003cli\u003eRound, ultra-thin design — uses less space inside the aquarium.\u003c\/li\u003e\n\u003cli\u003eWorks with an air pump over 1 W — the air pump and air tube are not included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis internal sponge filter is made for aquarium owners who want filtration and oxygen support without a filter that disturbs their fish. Its compact form suits fish fry, shrimp and betta tanks, as well as freshwater and saltwater aquariums, provided the tank is within the stated capacity.\u003c\/p\u003e\u003ch3\u003eWhat does the UPETTOOLS Aquarium Sponge Filter do?\u003c\/h3\u003e\u003cp\u003eThe filter is designed to provide oxygen, biological filtration and water purification while running quietly and filtering without disturbing fish. Its sponge and filter stones serve as filtration media, while removable bubble stones are part of the filter assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports biological filtration in the aquarium.\u003c\/li\u003e\n\u003cli\u003eDesigned for quiet operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich tank size and air pump does it fit?\u003c\/h3\u003e\u003cp\u003eThe UPETTOOLS Aquarium Sponge Filter is suitable for 20–40 gallon tanks and is compatible with an air pump rated over 1 W. Choose an air pump appropriate for your aquarium size; the pump and air tube must be supplied separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilter size: 4.72 in W x 2.17 in H (12 cm W x 5.51 cm H).\u003c\/li\u003e\n\u003cli\u003eIts round, ultra-thin shape is intended to save space inside the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you maintain the filter sponge?\u003c\/h3\u003e\u003cp\u003eThe UPETTOOLS Aquarium Sponge Filter has a sponge that can be removed from the filter for cleaning or replacement. Regularly replacing the sponge helps keep the aquarium clean and supports a suitable environment for aquarium fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRemove the sponge when it needs cleaning or replacement.\u003c\/li\u003e\n\u003cli\u003eThe filter housing is made from high-strength ABS, described as non-toxic and harmless.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquariums can use this sponge filter?\u003c\/h3\u003e\u003cp\u003eThe UPETTOOLS Aquarium Sponge Filter is intended for fish fry, shrimp and betta tanks, and can be used in freshwater or saltwater aquariums. Match the aquarium to the 20–40 gallon capacity and use a compatible air pump.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuitable for both freshwater and saltwater setups.\u003c\/li\u003e\n\u003cli\u003eDesigned for small aquarium applications, including fry and shrimp tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter suits aquarium keepers seeking a compact internal option with removable sponge media and space for fish fry, shrimp or bettas. Its 20–40 gallon capacity, air-pump compatibility and stated freshwater and saltwater uses define the setups it is made for.\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 tank size is the UPETTOOLS Aquarium Sponge Filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The UPETTOOLS Aquarium Sponge Filter is suitable for 20–40 gallon tanks and measures 4.72 in W x 2.17 in H (12 cm W x 5.51 cm H).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the UPETTOOLS Aquarium Sponge Filter include an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The UPETTOOLS Aquarium Sponge Filter requires an air pump over 1 W, and the air pump and air tube are not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"UPETTOOLS","offers":[{"title":"Default Title","offer_id":67858159042951,"sku":"B0BC855NR7","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/upettools-aquarium-sponge-filter-front-view_d28baf44-ccf6-499c-bef5-0832ef8d02a9.jpg?v=1793466415"},{"product_id":"aquaneat-aquarium-sponge-filter-55-gallon-air-powered-model-with-ceramic-media-and-2-spare-sponges","title":"AQUANEAT Aquarium Sponge Filter, 208 L Air-Powered Model with Ceramic Media and 2 Spare Sponges","description":"\u003cp\u003e\u003cstrong\u003eThe AQUANEAT Aquarium Air Powered Sponge Filter provides mechanical and biological filtration for aquariums up to 55 gallons, with ceramic media balls and two spare sponges.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — supports two filtration functions in one air-powered unit.\u003c\/li\u003e\n\u003cli\u003eAn air infusion chamber creates minute bubbles — increasing oxygen solubility in the water.\u003c\/li\u003e\n\u003cli\u003eTwo media containers hold ceramic balls — giving the filter dedicated space for media.\u003c\/li\u003e\n\u003cli\u003eThe ceramic media can be replaced with other media — allowing you to choose what goes in the containers.\u003c\/li\u003e\n\u003cli\u003eThe package includes two spare sponges — along with the filter and a bag of ceramic media balls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is made for aquarium setups where filtration with minimal current is useful, including tanks for small fish, shrimp, and young fish. Its air-powered design suits hatcheries and maternity tanks as well as everyday aquariums, giving you a filtration option for setups where fish may be small or developing.\u003c\/p\u003e\n\u003ch3\u003eHow does the AQUANEAT sponge filter filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe sponge provides mechanical and biological filtration, while the air infusion chamber produces minute bubbles that increase oxygen solubility. Together, these functions make the unit suited to aquarium filtration with air supplied through an airline and air pump.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAir-powered operation uses an airline and air pump connected to the unit.\u003c\/li\u003e\n\u003cli\u003eThe two media containers can hold the included ceramic balls or other media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you set up and clean the AQUANEAT filter?\u003c\/h3\u003e\n\u003cp\u003eTo set it up, install an airline and an air pump into the filter. For cleaning, rinse the sponges and squeeze them in used aquarium water; this is the stated cleaning method for the sponge elements.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSetup requires an airline and an air pump.\u003c\/li\u003e\n\u003cli\u003eClean the sponges using used aquarium water rather than rinsing and squeezing them in a different water source.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich aquariums and fish is this filter designed for?\u003c\/h3\u003e\n\u003cp\u003eThe recommended tank size is up to 55 gallons (208.2 L). It is intended for small fish such as dwarf cichlids, guppies, and killifish, and for shrimp, hatchery, maternity, Betta, and fry tanks. The filter produces minimal current and has almost no way to suck fish through it, making that low-current design relevant for small fish and fry.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable aquarium uses include shrimp tanks, hatcheries, maternity tanks, Betta tanks, and fry tanks.\u003c\/li\u003e\n\u003cli\u003eFor a setup with small fish or fry, the minimal current is a key fit consideration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAQUANEAT’s air-powered sponge filter is a practical fit for aquarium keepers who need filtration for a small-fish, shrimp, or fry setup and want an air-driven unit with replaceable media. It combines sponge filtration, ceramic media containers, and included spare sponges in a filter recommended for tanks up to 55 gallons.\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 comes with the AQUANEAT Aquarium Air Powered Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Aquarium Air Powered Sponge Filter package includes one double sponge filter with two containers, one bag of ceramic media balls, and two spare sponges packed in the containers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What aquarium size is the AQUANEAT Aquarium Air Powered Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Aquarium Air Powered Sponge Filter is recommended for tanks up to 55 gallons (208.2 L) and is intended for small fish, shrimp, hatcheries, maternity tanks, Betta tanks, and fry tanks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUANEAT","offers":[{"title":"Default Title","offer_id":67858307023239,"sku":"B0D378M34F","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquaneat-aquarium-sponge-filter-front-view.jpg?v=1793466780"},{"product_id":"alegi-aquarium-bio-sponge-filter-2-pack-for-10-40-gallon-tanks-with-air-stone","title":"ALEGI Aquarium Bio Sponge Filter, 2-Pack for 37.9–151 L Tanks with Air Stone","description":"\u003cp\u003e\u003cstrong\u003eThe ALEGI Aquarium Bio Sponge Filter is a two-pack filtration set designed to help maintain water quality in 10–40 gallon aquariums (38–151 L).\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAirlift system — runs quietly while helping oxygenate aquarium water.\u003c\/li\u003e\n\u003cli\u003eSpecially developed foam — provides a surface for beneficial bacteria to colonize.\u003c\/li\u003e\n\u003cli\u003eUpgraded ceramic filter media — adds biological filtration alongside mechanical filtration.\u003c\/li\u003e\n\u003cli\u003eWaste breakdown — helps break down harmful waste, including ammonia and nitrite materials.\u003c\/li\u003e\n\u003cli\u003eIncluded accessories — air stone, air tube, ceramic filter media, suction cup and check valve support setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter is made for aquariums that need water filtration with oxygenation, including betta and small-fish environments. Its foam-and-ceramic design supports both mechanical and biological filtration, making it useful for breeding tanks or as a secondary filter. The set is also suitable for fry and shrimp tanks within its stated capacity.\u003c\/p\u003e\u003ch3\u003eHow does the ALEGI filter clean aquarium water?\u003c\/h3\u003e\u003cp\u003eThe ALEGI Aquarium Bio Sponge Filter combines mechanical filtration with biological filtration. Water moves through the specially developed foam, which supports bacterial colonization, while ceramic media positioned in the middle of the sponge adds another surface for biological filtration. The system helps break down harmful waste such as ammonia and nitrite materials.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFoam captures particles through mechanical filtration.\u003c\/li\u003e\n\u003cli\u003eCeramic media supports bacterial colonization for biological filtration.\u003c\/li\u003e\n\u003cli\u003eThe airlift action also helps oxygenate the water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes in the ALEGI filter set?\u003c\/h3\u003e\u003cp\u003eThe ALEGI Aquarium Bio Sponge Filter set includes the sponge filters and air stone, air tube, ceramic filter media, suction cup and check valve. These components support the airlift filtration setup and help secure the filter in the aquarium.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir stone and air tube\u003c\/li\u003e\n\u003cli\u003eCeramic filter media\u003c\/li\u003e\n\u003cli\u003eSuction cup and check valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIs the ALEGI filter suitable for breeding or small-fish tanks?\u003c\/h3\u003e\u003cp\u003eYes, the ALEGI Aquarium Bio Sponge Filter is designed for use in aquariums housing betta, fry, shrimp and tiny fish, and it can serve as a secondary filter or in a breeding setup. The stated aquarium capacity is 10–40 gallons, so choose it for a tank within that range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuitable for betta, fry, shrimp and tiny fish tanks.\u003c\/li\u003e\n\u003cli\u003eUseful for breeding or as a secondary filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you maintain the ALEGI sponge filter?\u003c\/h3\u003e\u003cp\u003eThe ALEGI Aquarium Bio Sponge Filter can be disassembled and cleaned for routine maintenance. Its removable design makes it easier to access the filter components when cleaning.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDisassembles for cleaning.\u003c\/li\u003e\n\u003cli\u003eIncludes reusable filter components for the airlift setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis set suits aquarium keepers who want a filter that combines foam-based mechanical filtration, ceramic-media biological filtration and water oxygenation, particularly for breeding or as a secondary filtration setup. Its stated tank range and included airlift accessories make it a defined option for small-fish and shrimp 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: What aquarium size is the ALEGI Aquarium Bio Sponge Filter designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ALEGI Aquarium Bio Sponge Filter is designed for 10–40 gallon aquariums (38–151 L) and is suitable for betta, fry, shrimp and tiny fish tanks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included with the ALEGI Aquarium Bio Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ALEGI Aquarium Bio Sponge Filter set includes an air stone, air tube, ceramic filter media, suction cup and check valve.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ALEGI","offers":[{"title":"Default Title","offer_id":67861189558663,"sku":"B0BZTQ9D2K","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/alegi-aquarium-sponge-filter-front-view.jpg?v=1793472198"},{"product_id":"hygger-aquarium-bio-sponge-filter-large-for-6-20-gallon-tanks-gentle-aeration","title":"hygger Aquarium Bio Sponge Filter, Large for 22.7–75.7 L Tanks, Gentle Aeration","description":"\u003cp\u003eThe hygger Large Bio Sponge Filter is an aquarium filter designed to clean and aerate water in 6–20 gallon fish tanks, including fry, betta, shrimp, and quarantine tanks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — catches fine debris and provides space for beneficial bacteria.\u003c\/li\u003e\n\u003cli\u003eLarge size for 6–20 gallon aquariums — offers a fit for tanks in this capacity range.\u003c\/li\u003e\n\u003cli\u003eSeamless design with no moving parts — helps protect small fish from being drawn into the filter.\u003c\/li\u003e\n\u003cli\u003eBubbles and slow water movement — adds aeration for fish that do well with a gentler flow.\u003c\/li\u003e\n\u003cli\u003eAir-pump operation — runs with an air pump of at least 2 W and an airline, both sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSmall fish, fry, and shrimp can be vulnerable to strong water movement and filter intakes. This sponge filter combines water cleaning with gentle aeration, making it suited to aquariums where small or slow-flow-preferring fish are kept, as well as quarantine tanks.\u003c\/p\u003e\u003ch3\u003eHow does the hygger filter clean and move aquarium water?\u003c\/h3\u003e\u003cp\u003eIt uses two filtration stages: the fine sponge traps fish waste and small debris, while bio balls provide surface area for colonies of beneficial bacteria. As air passes through the filter, it creates bubbles that agitate the water and slowly circulate it. This setup supports aeration without relying on moving parts in the tank.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical filtration captures visible waste and tiny debris.\u003c\/li\u003e\n\u003cli\u003eBiological filtration media provides space for beneficial bacteria.\u003c\/li\u003e\n\u003cli\u003eBubble-driven movement is suited to bettas and fry that prefer slower-flowing water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat tank size does the Large filter fit?\u003c\/h3\u003e\u003cp\u003eThe Large model measures 3 in (7.6 cm) wide by 7.3 in (18.5 cm) high and is suggested for aquariums holding 6–20 gallons (23–76 L). It can be used in freshwater or saltwater aquariums. Compare the filter’s width and height with the available space in your tank before choosing its position.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuitable for breeding and fry tanks.\u003c\/li\u003e\n\u003cli\u003eAlso intended for shrimp and quarantine tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat is needed to run and maintain it?\u003c\/h3\u003e\u003cp\u003eUse an air pump rated at 2 W or higher and an airline to operate the filter; both are sold separately. The plastic chamber gives access to the filter media, so you can reach it for maintenance or replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir-driven operation does not use moving parts inside the filter.\u003c\/li\u003e\n\u003cli\u003eThe chamber opens for access to the media.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe hygger Large Bio Sponge Filter suits aquarium keepers who need filtration and aeration for 6–20 gallon tanks, particularly setups with fry, bettas, shrimp, or fish that prefer slower water movement. Its sponge and bio-ball stages, air-driven bubbles, and compact Large-model dimensions make it a fit for those aquarium needs.\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 size aquarium is the hygger Large Bio Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Large Bio Sponge Filter measures 3 in (7.6 cm) wide by 7.3 in (18.5 cm) high and is suggested for 6–20 gallon (23–76 L) aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What do I need to run the hygger Large Bio Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Large Bio Sponge Filter requires an air pump rated at least 2 W and an airline; both are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67861674426759,"sku":"B07W7YQWB3","price":32.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-large-bio-sponge-filter-front-view.jpg?v=1793474106"},{"product_id":"hygger-quiet-aquarium-sponge-filter-for-10-40-gallon-tanks-7w-with-bio-balls","title":"hygger Quiet Aquarium Sponge Filter for 37.9–151 L Tanks, 7W with Bio Balls","description":"\u003cp\u003eThe hygger Quiet Electric Sponge Filter is a fully submersible aquarium filter designed to circulate and filter water in 10–40 gallon fish tanks, with 7W power and a two-stage sponge-and-bio-ball filtration system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — the sponge catches waste and fine debris while bio balls provide space for beneficial bacteria.\u003c\/li\u003e\n\u003cli\u003eFish-safe, seamless design with no moving parts — suited to shrimp, quarantine and fry tanks.\u003c\/li\u003e\n\u003cli\u003eVenturi nozzle and air tubing — add aeration when desired, or run without the extra aeration.\u003c\/li\u003e\n\u003cli\u003eCompact in-tank size of 2.4 in W x 9.3 in H (6.1 x 23.6 cm) — fits shallow tanks and turtle tanks.\u003c\/li\u003e\n\u003cli\u003eFlow figures: 100 GPH in the product title and maximum 110 GPH in the feature specifications.\u003c\/li\u003e\n\u003cli\u003eIncludes a replaceable sponge, 100g bio balls, two suction cups, air tubing and the filter — no air pump or priming required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis internal filter is made for aquariums that need water circulation and filtration in one submersible unit. Its sponge captures fish waste and small debris, while the bio balls provide surface area for beneficial bacteria. The design also gives small fish and shrimp a filter option without moving parts that can suck them up.\u003c\/p\u003e\u003ch3\u003eHow does the hygger sponge filter clean and aerate aquarium water?\u003c\/h3\u003e\u003cp\u003eThe hygger Quiet Electric Sponge Filter combines mechanical filtration through its fine sponge with biological filtration through its bio balls. The sponge traps visible waste and tiny debris, and the bio balls provide space for beneficial bacteria colonies. Its venturi nozzle connects to the included air tubing to improve oxygenation; the filter can also run without extra aeration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA directional flow nozzle rotates to aim water flow where you want it.\u003c\/li\u003e\n\u003cli\u003eTo slow water flow, remove the air tubing or water pump and connect to an air pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes with the hygger filter, and how is it mounted?\u003c\/h3\u003e\u003cp\u003eThe hygger filter comes with the core filtration media and mounting accessories needed for setup. Use its two suction cups to attach it horizontally or vertically inside the aquarium. The plastic chamber opens for access to filter media during maintenance or replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncluded: one aquarium filter, one replaceable sponge, 100g bio balls, two suction cups and one air tubing.\u003c\/li\u003e\n\u003cli\u003eNo air pump is included, and no priming is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquariums is this hygger filter designed for?\u003c\/h3\u003e\u003cp\u003eThe hygger Quiet Electric Sponge Filter is suggested for 10–40 gallon aquariums, including shallow tanks and turtle tanks. Its in-tank dimensions are 2.4 in wide by 9.3 in high (6.1 x 23.6 cm), so compare the height and width with the space available inside your aquarium.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSuitable uses include shrimp tanks, quarantine tanks and fry tanks.\u003c\/li\u003e\n\u003cli\u003eFully submersible construction keeps the filter inside the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter suits aquarium keepers looking for internal water circulation, mechanical and biological filtration, and optional aeration in one unit. Its 10–40 gallon guidance, included media and adjustable mounting orientation make it suited to a range of fish, shrimp, quarantine, fry, shallow and turtle tank 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: What aquarium size is the hygger Quiet Electric Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Quiet Electric Sponge Filter is suggested for 10–40 gallon aquariums and measures 2.4 in wide by 9.3 in high.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the hygger Quiet Electric Sponge Filter include an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Quiet Electric Sponge Filter includes air tubing, a replaceable sponge, 100g bio balls and two suction cups; an air pump is not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67865721209223,"sku":"B0BHWRDCTF","price":38.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-electric-sponge-filter-front-view.jpg?v=1793492369"},{"product_id":"aquapapa-bio-sponge-filter-for-fry-tanks-3-pack-large-up-to-60-gallons","title":"Aquapapa Bio Sponge Filter for Fry Tanks, 3-Pack, Large, Up to 227 L","description":"\u003cp\u003e\u003cstrong\u003eAquapapa Bio Sponge Filters provide mechanical and biological filtration for betta fry and aquarium tanks, with each filter sized for tanks up to 60 gallons.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — captures waste while supporting biological filtration.\u003c\/li\u003e\n\u003cli\u003eAir infusion chamber — creates minute bubbles to promote gas exchange and increase dissolved oxygen.\u003c\/li\u003e\n\u003cli\u003eSponge filtration — traps waste particles without trapping baby fish.\u003c\/li\u003e\n\u003cli\u003eThree filters, each for tanks up to 60 gallons — choose a filter for breeding or secondary filtration.\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater use — suits either aquarium environment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor tanks with baby fish, filtration needs to catch waste without trapping the fry. This sponge filter combines mechanical and biological filtration with aeration, making it useful for breeding setups as well as tanks that need a secondary filter or pre-filtration before another filter.\u003c\/p\u003e\u003ch3\u003eHow does the sponge filter clean the tank?\u003c\/h3\u003e\u003cp\u003eThe sponge catches waste particles as water passes through it, while the filter also provides biological filtration. Its air infusion chamber produces numerous minute bubbles, promoting gas exchange and increasing dissolved oxygen in the water. The sponge-based design cleans the water without trapping baby fish.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides aeration and filtration in the same unit.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with betta fry and other baby fish.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat tank size and setup does each filter suit?\u003c\/h3\u003e\u003cp\u003eEach Aquapapa Bio Sponge Filter is rated for an aquarium up to 60 gallons and measures 4.5 in (11.4 cm) in diameter by 8.0 in (20.3 cm) high. Use it as a breeding filter, a secondary filter, or a pre-filtration unit fitted to an external or top filter. Compare the measurements with the space available in your aquarium before choosing where to position it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePackage quantity: three sponge filters.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater or saltwater tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you connect it, and what comes in the pack?\u003c\/h3\u003e\u003cp\u003eConnect the unit to an air pump using airline tubing; the filter then provides both aeration and filtration. The pack includes airline accessories so you can connect and control the airflow as part of the setup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne 4 ft (1.22 m) length of airline tubing.\u003c\/li\u003e\n\u003cli\u003eOne check valve and one control valve.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAquapapa Bio Sponge Filters suit aquarium keepers who need filtration for fry, a breeding tank, or an additional filtration stage, and who want a sponge filter that can be used in freshwater or saltwater. Each unit combines waste-catching sponge filtration with air-driven aeration for aquarium setups up to 60 gallons per filter.\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 size aquarium is each Aquapapa Bio Sponge Filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each Aquapapa Bio Sponge Filter is suitable for an aquarium up to 60 gallons and measures 4.5 in (11.4 cm) in diameter by 8.0 in (20.3 cm) high.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included with the Aquapapa Bio Sponge Filter 3-pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Aquapapa Bio Sponge Filter 3-pack includes three sponge filters, one 4 ft (1.22 m) length of airline tubing, one check valve, and one control valve.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aquapapa","offers":[{"title":"Default Title","offer_id":67865809256839,"sku":"B07JW88XYV","price":51.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquapapa-bio-sponge-filter-three-pack.jpg?v=1793493418"},{"product_id":"pawfly-aquarium-sponge-filter-70-gph-for-10-40-gallon-tanks-quiet-3-w-bio-filtration","title":"Pawfly Aquarium Sponge Filter, 70 GPH for 37.9–151 L Tanks, Quiet 3 W Bio Filtration","description":"\u003cp\u003ePawfly Aquarium Sponge Filter is a 70 GPH (about 265 L\/h), 3 W submersible filter designed to support mechanical and biological filtration in freshwater and saltwater aquariums.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo sponge foams and ceramic balls — provide surfaces for debris capture and biological filtration.\u003c\/li\u003e\n\u003cli\u003eNo separate air pump required — plug in the filter for operation.\u003c\/li\u003e\n\u003cli\u003eMotor noise below 30 dB — helps keep the tank area quieter.\u003c\/li\u003e\n\u003cli\u003eSuitable for fry and shrimp care — made for breeding and feeding setups.\u003c\/li\u003e\n\u003cli\u003eRinse the sponges every two weeks with aquarium water — helps protect beneficial elements on their surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter is made for aquarists who want mechanical and biological filtration in one submersible unit, including those caring for young fish or shrimp. Its sponge media captures visible debris while the biological media offers surface area for beneficial elements to thrive. The combination is intended to help maintain clear water and a stable aquatic environment without adding a separate air pump.\u003c\/p\u003e\u003ch3\u003eHow does the Pawfly filter handle aquarium debris and biological filtration?\u003c\/h3\u003e\u003cp\u003eThe porous sponge foams capture visible debris, uneaten food, fish waste, and other impurities without restricting water flow. The ceramic balls and sponge surfaces provide places for beneficial elements to thrive, supporting biological filtration that helps absorb and eliminate harmful substances. Together, the two filtration types help keep aquarium water clear and provide a cleaner habitat for aquatic pets.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical filtration uses porous sponge material to capture visible particles.\u003c\/li\u003e\n\u003cli\u003eBiological filtration uses surface area on both the sponge media and ceramic balls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquarium sizes and animals is this filter made for?\u003c\/h3\u003e\u003cp\u003eThe Pawfly filter is designed for 10–40 gallon tanks (38–151 L) and measures 6.2 in W x 11.2 in H (15.7 cm W x 28.4 cm H). It can be used in freshwater or saltwater tanks and is suited to breeding and feeding environments for fry and shrimp. In a 10-gallon aquarium, its size takes up significant space, so compare the stated dimensions with the room available in your tank.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTank capacity range: 10–40 gallons.\u003c\/li\u003e\n\u003cli\u003eFilter dimensions: 6.2 in wide by 11.2 in high.\u003c\/li\u003e\n\u003cli\u003eIntended aquarium types: freshwater and saltwater.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes with the filter, and how do you set it up?\u003c\/h3\u003e\u003cp\u003eThe Pawfly Aquarium Sponge Filter includes a water pump, two sponge foams, and ceramic balls. It operates as a submersible unit: plug it in to start filtration, with no additional air pump needed. Before use, remove the two extra sponges from the filter chamber and add the ceramic balls. Keep the sponges fully submerged during operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncluded filtration media: sponge foams and ceramic balls.\u003c\/li\u003e\n\u003cli\u003eSetup: remove the two extra sponges from the chamber and add the ceramic balls before use.\u003c\/li\u003e\n\u003cli\u003eOperation: plug in the submersible filter; no separate air pump is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you clean and maintain the sponge media?\u003c\/h3\u003e\u003cp\u003eRinse the Pawfly filter sponges every two weeks using aquarium water only. Do not rinse them with tap water; aquarium water helps protect the beneficial elements living on the sponge surfaces. The filter can be assembled and detached for cleaning, and the sponges should remain fully submerged when the unit is running.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCleaning interval: every two weeks.\u003c\/li\u003e\n\u003cli\u003eRinse medium: aquarium water only; never use tap water.\u003c\/li\u003e\n\u003cli\u003eMaintenance access: the filter assembles and detaches for cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter is a practical fit for aquarists who want a single submersible unit for mechanical and biological filtration, especially in tanks used for fry or shrimp. Its specified tank range, included media, and aquarium-water-only sponge care make its setup and maintenance 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 tank size is the Pawfly Aquarium Sponge Filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Pawfly Aquarium Sponge Filter is designed for 10–40 gallon tanks and measures 6.2 in wide by 11.2 in high; it takes up significant space in a 10-gallon tank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do you set up and clean the Pawfly Aquarium Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Before use, remove the two extra sponges from the chamber and add the ceramic balls. Keep the sponges submerged and rinse them every two weeks with aquarium water only.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pawfly","offers":[{"title":"Default Title","offer_id":67866238550407,"sku":"B0FQMVLJY3","price":35.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pawfly-aquarium-sponge-filter-front-view.jpg?v=1793497343"},{"product_id":"hygger-usb-aquarium-sponge-filter-with-dual-outlets-and-spare-sponge","title":"hygger USB Aquarium Sponge Filter with Dual Outlets and Spare Sponge","description":"\u003cp\u003e\u003cstrong\u003eThe hygger USB Single Sponge Filter is a compact aquarium filter for small tanks, combining a replaceable microporous sponge and ceramic-ball filtration without requiring an air pump.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUSB-powered electric filtration — circulates water without a separate air pump.\u003c\/li\u003e\n\u003cli\u003eMicroporous sponge and ceramic-ball filter media — provide physical and biochemical filtration in sequence.\u003c\/li\u003e\n\u003cli\u003eTwo replaceable sponges and one ceramic-media box — include a spare sponge for ongoing filter maintenance.\u003c\/li\u003e\n\u003cli\u003eAdjustable tube and sliding clip, plus a suction cup — let you position and direct the outlet in the tank.\u003c\/li\u003e\n\u003cli\u003eTwo outlet styles and S or M size guidance — help match the filter to different aquarium setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter is made for aquarium owners who want powered water circulation and sponge filtration in a compact setup. Its adjustable outlet can be positioned above or below the water surface, while the included outlet options support different flow arrangements.\u003c\/p\u003e\u003ch3\u003eHow does the hygger USB Single Sponge Filter filter water?\u003c\/h3\u003e\u003cp\u003eWater passes first through the microporous sponge, then through ceramic balls in the filter box, before flowing out through the extension tube. The sponge’s layered structure provides a broad filtering surface, while the ceramic media provides the second, biochemical filtration stage.\u003c\/p\u003e\u003cp\u003eThe electric design operates without an air pump, avoiding the air-pressure fluctuations that can affect water flow when an unsuitable pump is used.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe sponge captures impurities as water passes through it.\u003c\/li\u003e\n\u003cli\u003eCeramic balls absorb and help break down impurities.\u003c\/li\u003e\n\u003cli\u003eWater exits through the selected outlet.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat filter media are included, and how do I maintain them?\u003c\/h3\u003e\u003cp\u003eThe hygger filter comes with two replaceable sponges and one media box containing ceramic filter material. Rinse and soak all filter media before the first use.\u003c\/p\u003e\u003cp\u003eClean or replace the sponge every 2–4 weeks. Check and clean it sooner if water flow becomes significantly weaker or stops. The replaceable components let you maintain the filtration stages as part of regular aquarium care.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo sponges are supplied, including an extra spare sponge.\u003c\/li\u003e\n\u003cli\u003eOne box holds the ceramic filter media.\u003c\/li\u003e\n\u003cli\u003eRinse and soak all media before installing it for use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow does the filter fit and direct water flow?\u003c\/h3\u003e\u003cp\u003eThe hygger filter has a retractable tube and sliding clip for adjusting outlet height, and the outlet direction and filter base can rotate. A suction cup helps secure its position inside the aquarium.\u003c\/p\u003e\u003cp\u003eChoose between the rain pipe outlet and the duckbill-style aeration outlet head. The adjustable outlet can sit above or below the water surface to suit your setup. For tank capacity, the suggested S size is for tanks smaller than 10 gallons, and the M size is for tanks smaller than 30 gallons.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdjust outlet height with the retractable tube and sliding clip.\u003c\/li\u003e\n\u003cli\u003eRotate the outlet direction and filter base.\u003c\/li\u003e\n\u003cli\u003eSelect the outlet style and size to suit your tank arrangement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquariums is this filter suited to?\u003c\/h3\u003e\u003cp\u003eThe hygger USB Single Sponge Filter is suitable for shrimp and betta tanks, breeding aquariums, and tanks for goldfish, discus, crayfish, or juvenile fish. Its small-tank size guidance and adjustable outlet make it useful across these aquarium setups.\u003c\/p\u003e\u003cp\u003eIt suits aquarium keepers looking for a USB-powered filter with replaceable sponge and ceramic media, adjustable placement, and outlet options for their tank. Its stated size guidance is for tanks smaller than 10 gallons with S or smaller than 30 gallons with M.\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: Does the hygger USB Single Sponge Filter need an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The hygger USB Single Sponge Filter is electrically powered and circulates water without a separate air pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What filter media come with the hygger USB Single Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger USB Single Sponge Filter includes two replaceable sponges and one media box with ceramic filter material.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67866638811527,"sku":"B0DQD2DNRJ","price":37.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-usb-sponge-filter-front-view.jpg?v=1793508456"},{"product_id":"hygger-double-sponge-aquarium-filter-medium-15-55-gallon-quiet-air-powered-filtration","title":"hygger Double Sponge Aquarium Filter, Medium 56.8–208 L, Quiet Air-Powered Filtration","description":"\u003cp\u003eThe hygger medium double sponge aquarium filter is an air-powered filter designed to support mechanical and biological filtration in fish tanks, with replaceable sponge and ceramic filter media.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-stage filtration — sponges capture fine particles while biological media provides an additional filtration stage.\u003c\/li\u003e\n\u003cli\u003eFour removable sponges — take them out for cleaning or replacement.\u003c\/li\u003e\n\u003cli\u003eTwo media boxes and one bag of ceramic filter balls — add ceramic media or use other filter media.\u003c\/li\u003e\n\u003cli\u003eAdjustable outlet and rotating base — direct the water flow to suit your aquarium setup.\u003c\/li\u003e\n\u003cli\u003eMedium size for 15 to 55 gallon (57 to 208 L) tanks — choose a filter size suited to your aquarium volume.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is made for aquariums that need gentle, air-driven water circulation alongside mechanical and biological filtration. Its slow flow is designed not to impact fish, making the medium model suitable for shrimp, betta fish, goldfish, discus, crayfish, juvenile fish and other aquarium fish.\u003c\/p\u003e\n\u003ch3\u003eHow does the hygger sponge filter work?\u003c\/h3\u003e\n\u003cp\u003eAn air pump powers the hygger sponge filter, drawing water through its multi-layer sponge media for mechanical filtration and supporting biological filtration. The sponge captures fine particles, while the air-driven flow is small and slow. The filter is designed to help increase dissolved oxygen and operates with an ultra-quiet design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect the filter to an air pump with a 4 mm air hose.\u003c\/li\u003e\n\u003cli\u003eThe air pump and hose are not included; select a pump with power suited to your tank size.\u003c\/li\u003e\n\u003cli\u003eThe outlet pipe adjusts in height and direction to guide the water flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat filter media comes with it?\u003c\/h3\u003e\n\u003cp\u003eThe hygger medium filter includes four removable sponges and one bag of ceramic filter balls. Its two media boxes hold ceramic filter media for additional filtration, or can be used with other filter media.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the sponges for cleaning or replacement.\u003c\/li\u003e\n\u003cli\u003eThe filter’s multi-layer media design provides a large surface area for filtration.\u003c\/li\u003e\n\u003cli\u003eThe filter is designed to resist clogging and filter across its media surface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWill the medium size fit my aquarium?\u003c\/h3\u003e\n\u003cp\u003eThe hygger medium sponge filter is suggested for tanks from 15 to 55 gallons (57 to 208 L). It measures 6.3 inches (16 cm) wide and 9 to 13 inches (23 to 33 cm) high; the inner sponge circle measures 0.59 inches (1.5 cm) in diameter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor an aquarium larger than 55 gallons, two filters may be needed.\u003c\/li\u003e\n\u003cli\u003eThe base has a suction cup, and its lower section rotates 360 degrees.\u003c\/li\u003e\n\u003cli\u003eSuitable aquarium setups include shrimp tanks, betta tanks and breeding tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter suits aquarium keepers looking for air-powered circulation, replaceable media and a gentle flow for fish, shrimp or juvenile fish. Its medium dimensions and suggested 15-to-55-gallon tank range make it a fit for aquariums within that capacity, while larger tanks may need two 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: What size aquarium is the hygger medium sponge filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger medium sponge filter is suggested for 15 to 55 gallon (57 to 208 L) aquariums. For a larger tank, two filters may be needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What media is included with the hygger sponge filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger sponge filter includes four removable sponges and one bag of ceramic filter balls, with two media boxes for ceramic or other filter media.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67866713358727,"sku":"B07VV89SJY","price":37.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-sponge-filter-front-view_7113bd2e-51c7-4a8f-81d4-72d89d22ecef.jpg?v=1793511227"},{"product_id":"aquaneat-double-bio-sponge-aquarium-filter-4-pack-for-fry-and-shrimp-tanks","title":"AQUANEAT Double Bio Sponge Aquarium Filter, 4 Pack for Fry and Shrimp Tanks","description":"\u003cp\u003eAQUANEAT Double Bio Sponge Filters are air-driven aquarium filters for fry, bettas, shrimp and other small fish, combining mechanical and biological filtration in a four-filter set.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAir-infusion chamber makes minute bubbles that increase oxygen solubility in the water.\u003c\/li\u003e\n\u003cli\u003eRecommended for aquariums up to 55 gallons (208.2 L), including small-fish and nursery setups.\u003c\/li\u003e\n\u003cli\u003eProduces minimal current and has almost no way to draw fish through the filter.\u003c\/li\u003e\n\u003cli\u003eMeasures 6.5 × 2.4 × 9.5 inches (16.5 × 6.1 × 24.1 cm) for planning placement in the tank.\u003c\/li\u003e\n\u003cli\u003eInstall an airline and switch on an air pump; clean by rinsing and squeezing the sponge in tank water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmall fish, newly hatched fry and shrimp need filtration suited to their aquarium and the way they move through the water. AQUANEAT’s double sponge filter combines two forms of filtration with an air-driven design for aquariums where gentle water movement matters, including hatcheries, maternity tanks and fry tanks. Its size and recommended tank capacity help you assess placement and suitability before setting it up.\u003c\/p\u003e\n\u003ch3\u003eHow does the AQUANEAT sponge filter filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eIt provides both mechanical and biological filtration through its sponge filter media. Air passing through the infusion chamber creates minute bubbles, which increase oxygen solubility. This brings filtration and aeration into one air-powered unit for aquarium use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDouble sponge-filter design.\u003c\/li\u003e\n\u003cli\u003eMechanical and biological filtration in one unit.\u003c\/li\u003e\n\u003cli\u003eAir infusion creates minute bubbles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich fish and aquarium setups is it suited to?\u003c\/h3\u003e\n\u003cp\u003eThe filter is recommended for tanks up to 55 gallons (208.2 L) and for small fish such as dwarf cichlids, guppies and killifish. It is also suited to hatcheries, maternity tanks and fry tanks, where its minimal current is relevant for smaller fish. The design has almost no way to suck fish through the filter, making it a choice for setups with fry, bettas or shrimp.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for small-fish aquariums.\u003c\/li\u003e\n\u003cli\u003eDesigned for hatchery, maternity and fry-tank use.\u003c\/li\u003e\n\u003cli\u003eCompare the filter’s 6.5 × 2.4 × 9.5-inch size with the space available in your aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you set up and clean the filter?\u003c\/h3\u003e\n\u003cp\u003eConnect an airline to the filter and turn on an air pump to start it. For cleaning, rinse and squeeze the sponge in water taken from the aquarium. This simple setup and cleaning method uses the tank water for sponge care.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSetup requires an airline and an air pump.\u003c\/li\u003e\n\u003cli\u003eRinse and squeeze the sponge in tank water when cleaning.\u003c\/li\u003e\n\u003cli\u003eThe set contains four sponge filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAQUANEAT Double Bio Sponge Filters suit aquarists setting up small-fish tanks, fry areas, hatcheries or maternity tanks who want mechanical and biological filtration with minimal current. Each filter measures 6.5 × 2.4 × 9.5 inches and is recommended for aquariums up to 55 gallons.\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 many filters come in the AQUANEAT Double Bio Sponge Filter set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Double Bio Sponge Filter set contains four sponge filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What aquarium size is the AQUANEAT Double Bio Sponge Filter recommended for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQUANEAT Double Bio Sponge Filter is recommended for aquariums up to 55 gallons (208.2 L).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQUANEAT","offers":[{"title":"Default Title","offer_id":67866721124743,"sku":"B07G44NM8P","price":54.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquaneat-double-sponge-filter-four-pack.jpg?v=1793511764"},{"product_id":"deggox-aquarium-sponge-filter-s-for-10-20-gallon-tanks-quiet-low-flow-pump","title":"DEGGOX Aquarium Sponge Filter, S for 37.9–75.7 L Tanks, Quiet Low-Flow Pump","description":"\u003cp\u003e\u003cstrong\u003eThe DEGGOX Aquarium Electric Sponge Filter combines physical and biochemical filtration with a submersible pump for low-flow aquarium care, and the S size is recommended for 10–20 gallon tanks (about 38–76 L).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVenturi nozzle and rain mode create smaller, slower water flow for fry and shrimp.\u003c\/li\u003e\n\u003cli\u003ePhysical and biochemical filtration helps remove small particles from aquarium water.\u003c\/li\u003e\n\u003cli\u003eBuilt-in submersible pump runs from a power source without an additional air pump.\u003c\/li\u003e\n\u003cli\u003eS size is suggested for 10–20 gallon aquariums (about 38–76 L).\u003c\/li\u003e\n\u003cli\u003eDetachable, reusable fine sponges and ceramic media balls are included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSmall, delicate aquarium inhabitants can benefit from filtration that does not rely on a strong current. This electric sponge filter is made for low-flow setups, including shrimp tanks, fry tanks, nano fish, snail habitats and betta aquariums. Its design also suits freshwater and saltwater fish tanks.\u003c\/p\u003e\n\u003ch3\u003eHow does the DEGGOX filter clean aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses physical and biochemical filtration to help clear small particles from the tank. Fine sponge material provides the physical filtration, while the included ceramic media balls form part of the biochemical filtration setup. The filter’s components are detachable, and the sponges can be reused rather than replaced after every use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe filter is easy to assemble and uses simple components.\u003c\/li\u003e\n\u003cli\u003eThe sponge components do not need frequent replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIs its water flow suitable for shrimp and fry?\u003c\/h3\u003e\n\u003cp\u003eYes. The Venturi nozzle and rain mode are designed to produce a smaller, slower flow that is more suitable for fry and shrimp than a strong current. DEGGOX also identifies the filter for nano fish, snails and bettas, making it an option for aquariums with low-flow pets.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe motor is designed for quiet operation.\u003c\/li\u003e\n\u003cli\u003eThe filter is intended for both freshwater and saltwater fish tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is included, and how does the filter run?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the filter, a bag of ceramic media balls and spare sponges. To operate it, plug the filter into a power source; it has a submersible water pump and does not require a separate air pump. The listing title and feature details give different counts for the spare sponges, so this page does not assign a number.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe filter has detachable fine sponges.\u003c\/li\u003e\n\u003cli\u003eIts materials are stated to be non-toxic and not to change aquarium water parameters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe DEGGOX Aquarium Electric Sponge Filter is suited to aquarium keepers seeking powered filtration with a gentler flow for shrimp, fry and other low-flow pets. Its submersible pump, sponge filtration and included ceramic media balls bring physical and biochemical filtration together in one filter.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003esponge filter\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 aquarium size is the DEGGOX Aquarium Electric Sponge Filter S for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DEGGOX Aquarium Electric Sponge Filter in S size is suggested for aquariums holding 10–20 gallons (about 38–76 L).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the DEGGOX Aquarium Electric Sponge Filter need an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The DEGGOX Aquarium Electric Sponge Filter has a submersible pump and runs when plugged into a power source, without an additional air pump.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEGGOX","offers":[{"title":"Default Title","offer_id":67866750878087,"sku":"B0CDSJSVDQ","price":41.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/deg-gox-aquarium-sponge-filter-front-view.jpg?v=1793513761"},{"product_id":"fishkeeper-aquarium-power-filter-6w-8w-13w-20-100-gallon-reusable-sponge","title":"fishkeeper Aquarium Power Filter, 6W\/8W\/13W, 75.7–379 L, Reusable Sponge","description":"\u003cp\u003e\u003cstrong\u003eThe fishkeeper 4-in-1 Mutil Stage Aquarium Power Filter combines filtration, water circulation and aeration for aquariums, with 6W, 8W and 13W options.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFiltration and circulation or aeration modes — choose water movement with or without bubbles.\u003c\/li\u003e\n\u003cli\u003eTwo-stage sponge filtration — captures debris as water passes through the filter.\u003c\/li\u003e\n\u003cli\u003eWashable, reusable sponges — maintain the filter without replacing disposable sponge media.\u003c\/li\u003e\n\u003cli\u003eTransparent housing — see the filter media and its changing colour during use.\u003c\/li\u003e\n\u003cli\u003eBPA- and odor-free ABS housing — made for aquarium use with fish and turtles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor aquariums that need water filtered and circulated, this internal power filter brings several functions together in one unit. Switch between modes to suit the tank setup: run it without the air tube for filtration and circulation, or connect the tube for bubbles and oxygenation. It is specified for freshwater and saltwater tanks, including fish and turtle aquariums.\u003c\/p\u003e\u003ch3\u003eHow does the fishkeeper filter work?\u003c\/h3\u003e\u003cp\u003eThe fishkeeper filter draws water upward through a two-layer sponge chamber, where the sponges trap debris and help clarify cloudy water and reduce unwanted odors. Without the air tube, it circulates and filters water; connecting the tube adds bubble aeration and oxygen enrichment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaximum flow rate for the 6W version: 145 GPH (550 L\/h).\u003c\/li\u003e\n\u003cli\u003eAir-tube mode creates a visible stream of bubbles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat aquarium size and water types does it suit?\u003c\/h3\u003e\u003cp\u003eThe product range is labeled for 20–100-gallon tanks (76–379 L); the specific capacity guidance for the 6W version is 20–40 gallons (76–151 L). The filter is intended for freshwater and saltwater fish and turtle tanks. Compare your aquarium capacity with the guidance for the selected wattage: the 6W performance details give the 20–40-gallon range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe internal filter housing is made from BPA- and odor-free ABS.\u003c\/li\u003e\n\u003cli\u003eThree silicone buffer suction cups attach the filter inside the aquarium and help reduce vibration noise.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you maintain the filter media?\u003c\/h3\u003e\u003cp\u003eClean the sponge every 1–2 weeks for optimal operation. The transparent housing lets you view the media, while the washable sponges can be rinsed and reused. Optional ceramic bio-media, activated carbon or other media can be added to customize filtration; these are sold separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWithout the air tube, operating noise is under 35 dB.\u003c\/li\u003e\n\u003cli\u003eWith the air tube connected, bubble-mode noise is under 45 dB.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter suits aquarium keepers who want filtration and water movement in one internal unit, with the option to add aeration when needed. Its reusable sponge media, visible housing and two operating modes make it a fit for freshwater or saltwater fish and turtle tanks within the applicable capacity guidance.\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 aquarium size is the fishkeeper 4-in-1 Mutil Stage Aquarium Power Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The fishkeeper 4-in-1 Mutil Stage Aquarium Power Filter range is labeled for 20–100-gallon tanks; the 6W version has capacity guidance for 20–40 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the fishkeeper 4-in-1 Mutil Stage Aquarium Power Filter add bubbles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Connect the air tube to the fishkeeper 4-in-1 Mutil Stage Aquarium Power Filter to activate bubble aeration and oxygen enrichment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"fishkeeper","offers":[{"title":"Default Title","offer_id":67866804420999,"sku":"B0F841194C","price":39.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/fishkeeper-aquarium-power-filter-front-view.jpg?v=1793517470"},{"product_id":"digoos-aquarium-sponge-filter-size-s-quiet-built-in-pump-for-betta-tanks","title":"Digoos Aquarium Sponge Filter, Size S, Quiet Built-In Pump for Betta Tanks","description":"\u003cp\u003e\u003cstrong\u003eDigoos Aquarium Electric Sponge Filter (S) is a submersible aquarium filter for shrimp, bettas, axolotls and other fish, combining sponge filtration with bio ceramic media.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in submersible pump with an ultra-quiet motor — provides filtration with reduced noise disturbance.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play setup with no external air pump — submerge, secure with suction cups and connect to AC power.\u003c\/li\u003e\n\u003cli\u003eVenturi nozzle and rain bar options — choose gentle circulation or increased surface agitation.\u003c\/li\u003e\n\u003cli\u003eDetachable, reusable sponges and bio ball media — make routine filter maintenance easier.\u003c\/li\u003e\n\u003cli\u003eSpare sponges included — provide replacements for ongoing upkeep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is made for aquariums where dependable water circulation and filtration matter, including tanks with shrimp, bettas, fry, nano fish or snails. Its self-contained pump avoids the need for a separate air pump, while two outlet options let you choose how water moves through the tank.\u003c\/p\u003e\n\u003ch3\u003eHow does the Digoos filter clean aquarium water?\u003c\/h3\u003e\n\u003cp\u003eDigoos uses two filtration methods: a sponge captures debris through mechanical filtration, while bio ceramic media provides a place for beneficial bacteria colonies to establish. Together, these stages support a healthier aquarium environment by addressing both visible particles and biological filtration. The filter is intended for continuous operation once connected to AC power.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical filtration is provided by the filter sponge.\u003c\/li\u003e\n\u003cli\u003eBio ceramic media supports beneficial bacteria colonies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDoes the Digoos Aquarium Electric Sponge Filter need an air pump?\u003c\/h3\u003e\n\u003cp\u003eNo separate air pump is needed because the filter has a built-in submersible pump. For setup, place the filter under water, secure it with the suction cups and plug it into AC power. This plug-in arrangement starts filtration without a separate external air pump.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSubmersible pump is built into the filter.\u003c\/li\u003e\n\u003cli\u003eSuction cups secure the unit in the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan I adjust the water movement for my tank?\u003c\/h3\u003e\n\u003cp\u003eYes. The included Venturi nozzle and rain bar offer different ways to direct the output: use the nozzle for gentle circulation or the rain bar for enhanced surface agitation. The options make the filter suitable for shrimp, bettas, fry, nano fish, snails and other aquarium inhabitants that call for gentler flow.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVenturi nozzle option for gentle circulation.\u003c\/li\u003e\n\u003cli\u003eRain bar option for increased surface agitation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is included for filter upkeep?\u003c\/h3\u003e\n\u003cp\u003eThe filter has detachable, reusable sponges and bio ball media, and spare sponges are included. Detachable filter parts can be removed for cleaning and reused, while the spare sponges extend the filter’s service life and help reduce upkeep costs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReusable sponge filtration components.\u003c\/li\u003e\n\u003cli\u003eBio ball media and spare sponges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Digoos Aquarium Electric Sponge Filter (S) suits aquarium keepers looking for an electric, submersible filtration setup for shrimp, bettas, axolotls, fry, nano fish or snails. Its combination of sponge and bio ceramic filtration, built-in pump and selectable water output makes it a practical fit for tanks that need continuous filtration without an external air pump.\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: Does the Digoos Aquarium Electric Sponge Filter need a separate air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The Digoos Aquarium Electric Sponge Filter has a built-in submersible pump; submerge it, secure it with suction cups and plug it into AC power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which water outlet options come with the Digoos Aquarium Electric Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Digoos Aquarium Electric Sponge Filter includes a Venturi nozzle for gentle circulation and a rain bar for enhanced surface agitation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Digoos","offers":[{"title":"Default Title","offer_id":67866909606279,"sku":"B0CH38VHCG","price":41.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/digoos-aquarium-sponge-filter-front-view.jpg?v=1793522091"},{"product_id":"alegi-aquarium-sponge-filters-4-pack-for-20-50-gallon-tanks-with-air-stones","title":"ALEGI Aquarium Sponge Filters, 4-Pack for 75.7–189 L Tanks with Air Stones","description":"\u003cp\u003e\u003cstrong\u003eALEGI’s four-piece aquarium sponge filter set with air stones is designed to filter aquarium water in 20–50 gallon tanks through mechanical and biological filtration.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — helps maintain clean aquarium water.\u003c\/li\u003e\n\u003cli\u003eAirline connection and air pump operation — provides a straightforward setup.\u003c\/li\u003e\n\u003cli\u003eCheck valves — help prevent water from flowing back toward the air pump during a power outage.\u003c\/li\u003e\n\u003cli\u003eFour filters, four check valves, four control valves, and four suction cups — supplies components for installation.\u003c\/li\u003e\n\u003cli\u003eFor breeding fry, bettas, shrimp, and other fish tanks — suits a range of aquarium setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter set is made for aquarium keepers who want filtration that also oxygenates the tank, including setups for fry, bettas, and shrimp. Its sponge-based design combines two types of filtration, while the air-driven connection keeps the setup simple: connect an airline between the filter and an air pump, then switch on the pump.\u003c\/p\u003e\u003ch3\u003eHow does the ALEGI sponge filter work?\u003c\/h3\u003e\u003cp\u003eThe sponge provides mechanical and biological filtration to help maintain clean, healthy aquarium water. Air from the connected pump runs through the filter, and the system is intended to oxygenate the aquarium as it filters. This makes the set suitable for fish tanks where both filtration and oxygenation are wanted.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFiltration combines mechanical and biological functions in the sponge.\u003c\/li\u003e\n\u003cli\u003eAn air pump supplies the airflow through an airline connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat aquarium size is this filter set for?\u003c\/h3\u003e\u003cp\u003eALEGI recommends these sponge filters for aquariums from 20 to 50 gallons (76 to 189 L). Use that capacity range when choosing a filter for a medium or large fish tank, including breeding setups for fry, bettas, or shrimp.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecommended aquarium capacity: 20–50 gallons (76–189 L).\u003c\/li\u003e\n\u003cli\u003eSuction cups are included to secure the filters in the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat is included, and how do you set it up?\u003c\/h3\u003e\u003cp\u003eThe set contains four sponge filters, four non-return check valves, four control valves, and four suction cups. To set up a filter, connect one end of an airline to an air pump and the other end to the filter, then turn on the pump. The check valve helps prevent water backflow that could damage the pump if power is interrupted.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor cleaning, rinse and squeeze the sponge in aquarium water.\u003c\/li\u003e\n\u003cli\u003eThe check valve is a backflow safety feature for the air-pump line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eALEGI’s four-filter set suits aquarium keepers setting up or maintaining 20–50 gallon tanks for fish, bettas, shrimp, or breeding fry, especially when they want sponge filtration alongside air-driven oxygenation. Its four filters come with matching installation accessories and check valves.\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 size aquarium is the ALEGI aquarium sponge filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ALEGI aquarium sponge filter is recommended for aquariums from 20 to 50 gallons (76 to 189 L).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes with the ALEGI aquarium sponge filter set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ALEGI aquarium sponge filter set includes four sponge filters, four non-return check valves, four control valves, and four suction cups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ALEGI","offers":[{"title":"Default Title","offer_id":67866937983367,"sku":"B0DG8HF3S1","price":56.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/alegi-aquarium-sponge-filter-front-view_3330b8d4-f96c-49b8-8f46-55d8fe823760.jpg?v=1793523035"},{"product_id":"pawfly-aquarium-sponge-filter-5-w-80-gph-for-15-55-gallon-tanks","title":"Pawfly Aquarium Sponge Filter, 5 W 80 GPH for 56.8–208 L Tanks","description":"\u003cp\u003e\u003cstrong\u003ePawfly Aquarium Sponge Filter is a 5 W submersible filter designed to support mechanical and biological filtration, with an 80 GPH (303 L\/h) water pump and double foam sponges.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDouble foam sponges capture visible debris, uneaten food and fish waste — helping keep aquarium water cleaner.\u003c\/li\u003e\n\u003cli\u003eCeramic balls and sponge surfaces provide room for beneficial elements to thrive — supporting biological filtration.\u003c\/li\u003e\n\u003cli\u003e5 W pump delivers 80 GPH (303 L\/h) — providing water circulation through the filter.\u003c\/li\u003e\n\u003cli\u003eNo extra air pump is required, and the motor runs below 30 dB — for a simple setup with low operating noise.\u003c\/li\u003e\n\u003cli\u003eThe product title gives a 15–55 gallon range (57–208 L), while the sizing feature specifies 10–40 gallons (38–151 L) — compare the stated ranges and filter dimensions with your tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is made for aquarium keepers who want to remove visible waste while supporting biological filtration in a freshwater or saltwater setup. Its gentle sponge filtration is suited to tanks with fry, shrimp or ornamental fish, where capturing debris without restricting water flow is useful.\u003c\/p\u003e\n\u003ch3\u003eWhat does the Pawfly Aquarium Sponge Filter do?\u003c\/h3\u003e\n\u003cp\u003eThe Pawfly Aquarium Sponge Filter combines mechanical and biological filtration to help maintain a cleaner, more stable aquatic environment. Its porous foams catch visible impurities, including uneaten food and fish waste, while the sponge and ceramic surfaces give beneficial elements room to develop. The filtration is designed to help absorb and eliminate harmful substances.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHelps keep water clear without restricting flow through the porous sponges.\u003c\/li\u003e\n\u003cli\u003eSupports a cleaner habitat for aquatic pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat tanks does the Pawfly Aquarium Sponge Filter fit?\u003c\/h3\u003e\n\u003cp\u003eThe filter measures 7 in W x 11.3 in H (17.8 x 28.7 cm) and is described for freshwater or saltwater aquariums. The product title gives a capacity range of 15–55 gallons (57–208 L), while the sizing feature says 10–40 gallons (38–151 L); the two ranges differ, so use the dimensions and stated capacity ranges when assessing fit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for breeding and feeding setups with fry, shrimp or ornamental fish.\u003c\/li\u003e\n\u003cli\u003eKeep the filter fully submerged during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you set up and clean the Pawfly Aquarium Sponge Filter?\u003c\/h3\u003e\n\u003cp\u003eBefore use, remove the two extra sponges from the filter chamber and add the ceramic balls. Assemble the filter, then plug it in; an additional air pump is not needed. For cleaning, detach the parts as needed and rinse the sponges every two weeks using aquarium water only.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDo not rinse the sponges with tap water, which can harm helpful elements on their surfaces.\u003c\/li\u003e\n\u003cli\u003eThe motor operates below 30 dB.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Pawfly Aquarium Sponge Filter suits keepers seeking a submersible filter for freshwater or saltwater tanks, including breeding and feeding environments for fry, shrimp and ornamental fish. Its pump, double foams and ceramic balls combine water circulation with mechanical and biological 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: How do you clean the Pawfly Aquarium Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse the Pawfly Aquarium Sponge Filter sponges every two weeks using aquarium water only. Keep them fully submerged during use, and do not rinse them with tap water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tank size is the Pawfly Aquarium Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Pawfly Aquarium Sponge Filter title gives 15–55 gallons, while its sizing feature specifies 10–40 gallons for freshwater or saltwater tanks. It measures 7 x 11.3 inches.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pawfly","offers":[{"title":"Default Title","offer_id":67866947256711,"sku":"B0FQN21SS7","price":39.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/pawfly-aquarium-sponge-filter-front-view_37c96d09-a6f3-4fb2-b3f9-1f05310a8ad6.jpg?v=1793523438"},{"product_id":"aqqa-aquarium-sponge-filter-power-driven-double-biochemical-filtration","title":"AQQA Aquarium Sponge Filter, Power-Driven Double Biochemical Filtration","description":"\u003cp\u003e\u003cstrong\u003eThe AQQA Power-Driven Double Biochemical Water Filter is an aquarium sponge filter designed to filter and oxygenate aquarium water, with a power-driven design that operates without an air pump.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower-driven operation — runs without connecting an air pump.\u003c\/li\u003e\n\u003cli\u003e9-layer ribbed sponge — combines mechanical and biological filtration with oxygenation.\u003c\/li\u003e\n\u003cli\u003eCeramic bio filter balls in a media container — add another filtration stage.\u003c\/li\u003e\n\u003cli\u003eFour removable sponges — make cleaning and media replacement straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor fishkeepers, a filter needs to capture floating debris while supporting a suitable environment for fish and other aquarium inhabitants. This filter brings sponge filtration and water movement together for freshwater and saltwater ornamental tanks, including planted tanks and breeding setups.\u003c\/p\u003e\n\u003ch3\u003eHow does the AQQA filter handle aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe AQQA filter uses its 9-layer ribbed sponge for physical filtration and biological filtration, while its outlet provides oxygenation. The sponge catches fine particles and floating debris; the outlet rotates 360 degrees so you can direct the flow around the aquarium. Ceramic bio filter balls sit in a media container to provide additional cleaning power.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical filtration captures suspended debris.\u003c\/li\u003e\n\u003cli\u003eBiological filtration is part of the sponge-filter design.\u003c\/li\u003e\n\u003cli\u003eThe outlet can be turned to change the direction of water flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich aquarium size does each filter fit?\u003c\/h3\u003e\n\u003cp\u003eThe small filter is suggested for aquariums holding 10 to 40 gallons (37.9 to 151.4 L), while the large filter is suggested for 15 to 55 gallons (56.8 to 208.2 L). Compare your tank capacity and the filter dimensions with the available space before choosing a size.\u003c\/p\u003e\n\u003cp\u003eThe small filter measures 6 inches (15.24 cm) wide by 11 inches (27.94 cm) high; its sponge is 1.97 inches (5.00 cm) wide by 4.33 inches (11.00 cm) high, with a 0.51-inch (1.30 cm) inner-circle diameter. The large filter measures 6.3 inches (16.00 cm) wide by 11 inches (27.94 cm) high; its sponge is 2.36 inches (5.99 cm) wide by 5.12 inches (13.00 cm) high, with a 0.62-inch (1.57 cm) inner-circle diameter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall size: suggested for 10–40-gallon aquariums.\u003c\/li\u003e\n\u003cli\u003eLarge size: suggested for 15–55-gallon aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you install and maintain the sponge filter?\u003c\/h3\u003e\n\u003cp\u003eAttach the filter underwater using its two suction cups, then adjust the retractable outlet pipe to set the outlet height and water-flow direction. The four sponges can be removed for cleaning or replacement. Rinse or squeeze them in aquarium water rather than tap water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo suction cups hold the filter at a chosen underwater position.\u003c\/li\u003e\n\u003cli\u003eThe outlet pipe extends and adjusts in height.\u003c\/li\u003e\n\u003cli\u003eUse aquarium water when rinsing or squeezing the sponges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AQQA filter suits keepers of shrimp, bettas, tropical fish and other ornamental fish, as well as planted and breeding aquariums. Its sponge design traps floating debris and helps protect baby fish from being drawn into the filter. It is designed for freshwater and saltwater use, with size options for the stated aquarium capacities.\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 aquarium size is the AQQA sponge filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The AQQA sponge filter comes in small and large sizes: the small is suggested for 10 to 40 gallons, and the large for 15 to 55 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I clean the AQQA sponge filter sponges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Remove the AQQA sponge filter sponges and rinse or squeeze them in aquarium water; do not clean them with tap water.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQQA","offers":[{"title":"Default Title","offer_id":67866950926727,"sku":"B08KY5F2CL","price":39.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aqqa-sponge-filter-front-view.jpg?v=1793523554"},{"product_id":"hygger-aquarium-double-sponge-filter-m-for-15-55-gallon-tanks-with-bioceramic-balls","title":"hygger Aquarium Double Sponge Filter M for 56.8–208 L Tanks with Bioceramic Balls","description":"\u003cp\u003eThe hygger Aquarium Double Sponge Filter M is an air-pump-powered filter for mechanical and biochemical filtration, measuring 6.3 inches (16 cm) wide and 9 to 14 inches (23 to 36 cm) high for aquariums suggested at 15 to 55 gallons (57 to 208 L).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAir-driven filtration through sponges and bioceramic balls — combines mechanical and biochemical filtration.\u003c\/li\u003e\n\u003cli\u003eVertical-striped sponge design — offers more surface area for beneficial bacteria and impurity adsorption.\u003c\/li\u003e\n\u003cli\u003eFour replaceable sponges, including two spares, plus reusable bioceramic balls — gives you serviceable filter media.\u003c\/li\u003e\n\u003cli\u003eSuction cups and an extendable hang-on clip — provide two ways to install the filter.\u003c\/li\u003e\n\u003cli\u003eAdjustable outlet components — let you change the outlet direction and filter setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis double sponge filter is made for aquariums that need water filtration using both sponge media and bioceramic balls. Its air-powered design suits freshwater and saltwater tanks and a range of aquarium animals, including shrimp, bettas, snails and young fish. Connect an air pump to operate the filter; the pump is not included.\u003c\/p\u003e\u003ch3\u003eHow does the hygger double sponge filter clean aquarium water?\u003c\/h3\u003e\u003cp\u003eRising air draws water through the sponge and bioceramic balls, where the media adsorb impurities and the balls support their decomposition. The filter uses mechanical filtration through the sponges alongside biochemical filtration, providing two filtration actions in one unit.\u003c\/p\u003e\u003cp\u003eThe sponge’s vertical stripes increase its specific surface area, giving beneficial bacteria more area to grow. The stripes run perpendicular to the water inlet holes, a layout designed to strengthen water adsorption through the sponge.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe filtration system uses the movement of rising air to pull water through its media.\u003c\/li\u003e\n\u003cli\u003eBioceramic balls are part of the filter’s biochemical filtration media.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat aquarium size fits the M filter?\u003c\/h3\u003e\u003cp\u003eThe M model is suggested for 15 to 55 gallon aquariums and measures 6.3 inches (16 cm) across, with an adjustable height from 9 to 14 inches (23 to 36 cm). Compare those dimensions with the space available in your tank before choosing the filter. For an aquarium larger than the suggested range, the guidance is to use two filters.\u003c\/p\u003e\u003cp\u003eThe filter is intended for freshwater and saltwater tanks. Suitable aquarium animals named for this filter include shrimp, betta fish, mackerel, snails, farmed fish fry, goldfish, crayfish and young fish, as well as other fish species.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe M size is the medium double-sponge version.\u003c\/li\u003e\n\u003cli\u003eThe recommended tank range and physical dimensions can help you assess fit before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes with the filter, and how can it be installed?\u003c\/h3\u003e\u003cp\u003eThe package includes the double sponge filter, two spare biochemical sponges, bioceramic balls, two suction cups and an extendable plastic hang-on clip. The filter has four sponges in total, and its components can be taken apart and reassembled.\u003c\/p\u003e\u003cp\u003eChoose either the suction-cup mounting method or the extendable clip method. The outlet can be rotated, the outlet pipe can be extended, and the T-shaped connector at the bottom can turn 360 degrees. These adjustable parts let you configure the filter’s position and outlet direction within the aquarium.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe extendable clip provides a hang-on installation option.\u003c\/li\u003e\n\u003cli\u003eThe two suction cups provide an alternative attachment method.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you clean and maintain the sponge and balls?\u003c\/h3\u003e\u003cp\u003eClean the sponges with aquarium water every 2 to 4 weeks. Both the sponges and bioceramic balls can be removed; the sponges can be cleaned or replaced, and the balls can be washed and reused.\u003c\/p\u003e\u003cp\u003eThe filter has four sponges in total, including two spare biochemical sponges, so sponge media can be replaced as needed. The bioceramic balls can also be replaced with other filter media if you want to use a different media configuration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBioceramic balls are washable and reusable.\u003c\/li\u003e\n\u003cli\u003eThe filter media can be changed without treating the assembled unit as a single piece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe hygger Aquarium Double Sponge Filter M suits aquarium keepers seeking air-pump-powered mechanical and biochemical filtration with replaceable sponge media, reusable bioceramic balls and adjustable installation options. Its dimensions and suggested tank range make it a medium filter for appropriately sized freshwater or saltwater aquariums, rather than a single-filter recommendation for tanks above 55 gallons.\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: Does the hygger Aquarium Double Sponge Filter M need an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The hygger Aquarium Double Sponge Filter M runs on an air pump, which is not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean the hygger Aquarium Double Sponge Filter M sponges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean the hygger Aquarium Double Sponge Filter M sponges with aquarium water every 2 to 4 weeks; its bioceramic balls can be washed and reused.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67867101397383,"sku":"B0FJCZJ3C3","price":41.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-double-sponge-filter-front-view.jpg?v=1793528468"},{"product_id":"dvhey-aquarium-sponge-filter-set-4-pack-for-10-50-gallon-tanks-with-ceramic-media","title":"DVHEY Aquarium Sponge Filter Set, 4 Pack for 37.9–189 L Tanks with Ceramic Media","description":"\u003cp\u003e\u003cstrong\u003eDVHEY Aquarium Sponge Filter 4 Pack combines sponge and ceramic media with bubble diffusers to filter and circulate water in freshwater tanks, with each small filter suited to 10 to 50 gallons (38 to 189 L).\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour complete sponge filter units — outfit multiple aquariums or keep units ready as replacements.\u003c\/li\u003e\n\u003cli\u003eSponge and ceramic media work together — provide filtration and help break down harmful waste.\u003c\/li\u003e\n\u003cli\u003eAir-powered bubble diffuser design — supports water circulation and oxygenation with reduced operating noise.\u003c\/li\u003e\n\u003cli\u003eSuitable for shrimp, betta and other ornamental fish tanks — supports freshwater keeping, breeding and brood cultivation.\u003c\/li\u003e\n\u003cli\u003eDetachable, reusable filter components — make cleaning and continued use straightforward.\u003c\/li\u003e\n\u003cli\u003eTool-free installation — set up the filters without installation tools; an air pump is not included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor aquariums housing small fish, shrimp or breeding stock, filtration needs to fit the tank and the animals’ environment. These air-powered sponge filters combine mechanical sponge media with ceramic media, while the diffuser moves water and produces bubbles. The four-unit set gives fish keepers a way to equip several suitable tanks or have replacement units available.\u003c\/p\u003e\u003ch3\u003eHow does the DVHEY filter combine filtration and aeration?\u003c\/h3\u003e\u003cp\u003eEach DVHEY aquarium sponge filter pairs high-density, microporous biochemical cotton with ceramic media and an air-stone bubble diffuser. The sponge has a honeycomb structure that helps break down harmful waste, while the combined media provide the filter’s dual filtration approach. Air power drives water circulation through the filter, and the air stones create small bubbles for oxygenation. The design is intended to keep operation quiet while maintaining water movement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour air stones are included, one for each filter unit.\u003c\/li\u003e\n\u003cli\u003eThe diffuser produces small bubbles and a smoother flow of water.\u003c\/li\u003e\n\u003cli\u003eThe filtration system is air-powered rather than a standalone powered filter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich aquariums and fish is this four-pack suited to?\u003c\/h3\u003e\u003cp\u003eDVHEY’s small sponge filters are suitable for tanks from 10 to 50 gallons and are made for freshwater aquariums. They can be used with shrimp and bettas, as well as ornamental fish kept for feeding, breeding or brood cultivation. The four filters allow use across multiple aquariums or as replacement units; choose based on the capacity of each tank rather than treating the pack as one filter for a larger aquarium.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUse for freshwater fish and shrimp setups.\u003c\/li\u003e\n\u003cli\u003eSuitable for ornamental fish keeping and breeding applications.\u003c\/li\u003e\n\u003cli\u003eThe four-unit quantity offers options for separate tanks or backup replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes in the box, and does setup need tools?\u003c\/h3\u003e\u003cp\u003eThe DVHEY aquarium sponge filter set contains four sponge filters, four air stones, four check valves and bio ceramic media balls. Installation does not require tools. The air pump needed to power the air-driven circulation is not included, so plan to use a compatible air pump you already have or obtain one separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFour sponge filter units are included in the pack.\u003c\/li\u003e\n\u003cli\u003eBio ceramic media balls are part of the included filter media.\u003c\/li\u003e\n\u003cli\u003eAir stones and check valves are supplied in matching quantities of four each.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow should the filters be cleaned and reused?\u003c\/h3\u003e\u003cp\u003eDVHEY sponge filters can be detached for cleaning, and the sponge and bio ceramic media balls are reusable and replaceable. Clean the filter about once every 2 to 4 weeks using aquarium water, rather than tap water. This care method is designed for removing collected dirt while keeping the reusable filter components in service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDetach the filter before washing it.\u003c\/li\u003e\n\u003cli\u003eUse aquarium water for cleaning and avoid tap water.\u003c\/li\u003e\n\u003cli\u003eReplaceable sponge and ceramic media allow component changes when needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis four-pack is suited to freshwater aquarium keepers who want air-powered filtration for shrimp, bettas or ornamental fish, including breeding and brood-cultivation setups. Its four sponge units pair reusable sponge and ceramic media with air-stone diffusion, and installation requires no tools.\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 an air pump included with the DVHEY Aquarium Sponge Filter 4 Pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The DVHEY Aquarium Sponge Filter 4 Pack includes four sponge filters, four air stones, four check valves and bio ceramic media balls, but the air pump is not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I clean the DVHEY Aquarium Sponge Filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean the detachable DVHEY Aquarium Sponge Filter about once every 2 to 4 weeks using aquarium water. Avoid washing it in tap water.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DVHEY","offers":[{"title":"Default Title","offer_id":67867218575751,"sku":"B0GCLGSDXK","price":40.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/dvhey-aquarium-sponge-filter-four-pack-front.jpg?v=1793531033"},{"product_id":"hygger-aquarium-double-sponge-filter-small-with-bioceramic-media","title":"hygger Aquarium Double Sponge Filter, Small with Bioceramic Media","description":"\u003cp\u003e\u003cstrong\u003eThe hygger Aquarium Double Sponge Filter is an air-pump-powered filter for freshwater and saltwater aquariums, combining sponge filtration with bioceramic media to capture and break down impurities.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVertical-stripe sponge design increases filtration surface area — provides more area for beneficial bacteria to grow.\u003c\/li\u003e\n\u003cli\u003eSmall size: 6 in (15.24 cm) wide and 9–14 in (22.86–35.56 cm) high — suits aquariums suggested at 10–40 gal (37.9–151.4 L).\u003c\/li\u003e\n\u003cli\u003eFour sponges in total, including two spares — gives you replacement sponges for ongoing maintenance.\u003c\/li\u003e\n\u003cli\u003eTwo suction cups and an extendable hang-on clip — offers two ways to install the filter.\u003c\/li\u003e\n\u003cli\u003eSponges can be cleaned with aquarium water every 2–4 weeks — supports routine filter care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeeping aquarium water filtered calls for a setup that can capture suspended impurities while also providing a surface for beneficial bacteria. This double sponge filter is designed for aquariums with shrimp, bettas, snails, fish fry and other fish, and can be used in freshwater or saltwater tanks. Its air-powered operation draws water through the filtration media; an air pump is required and is not included.\u003c\/p\u003e\n\u003ch3\u003eHow does the hygger double sponge filter clean aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe filter uses rising air to draw water through its sponges and bioceramic balls, combining mechanical and biochemical filtration. The sponges catch impurities, while the bioceramic media provides a surface for beneficial bacteria that help decompose them. Vertical stripes increase the sponge’s specific surface area, and their perpendicular arrangement relative to the water inlet holes is designed to strengthen water adsorption.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBioceramic balls are included as additional filter media.\u003c\/li\u003e\n\u003cli\u003eThe water outlet can be rotated to direct the outflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat tank size and aquatic animals is the small filter for?\u003c\/h3\u003e\n\u003cp\u003eThe small model is suggested for aquariums from 10 to 40 gallons and measures 6 inches across, with an adjustable overall height from 9 to 14 inches. It is suitable for freshwater and saltwater setups with shrimp, betta fish, mackerel, snails, farmed fish fry, goldfish, crayfish, young fish and other fish species. Compare the tank capacity and available filter space with these dimensions when choosing where to place it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe aquarium capacity guidance applies to the small size.\u003c\/li\u003e\n\u003cli\u003eFor a larger aquarium, the product guidance says two filters may be needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow can the filter be installed and adjusted?\u003c\/h3\u003e\n\u003cp\u003eInstall the filter using its two suction cups or its extendable plastic hang-on clip. The components can be taken apart and reassembled, and the adjustable connections allow you to position the outlet for your aquarium setup. The water outlet pipe extends, while the T-shaped connector at the bottom can turn 360 degrees.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe package includes one extendable clip and two suction cups.\u003c\/li\u003e\n\u003cli\u003eConnect an air pump to operate the filter; the pump is not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you maintain the sponges and bioceramic balls?\u003c\/h3\u003e\n\u003cp\u003eRemove the sponges for cleaning or replacement, and rinse them in aquarium water every 2–4 weeks. The filter comes with four sponges in total, including two spare sponges. The bioceramic balls can also be washed and reused, or replaced with other filter media if needed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoth the sponges and the bioceramic balls are replaceable.\u003c\/li\u003e\n\u003cli\u003eThe filter’s components can be disassembled for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter suits aquarium keepers who want air-powered mechanical and biochemical filtration, adjustable installation options and replaceable media for freshwater or saltwater tanks. Its small model combines a 10–40 gallon tank recommendation with removable sponges and reusable bioceramic balls.\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 aquarium size is the hygger Aquarium Double Sponge Filter small model for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Aquarium Double Sponge Filter small model is suggested for 10–40 gallon aquariums and measures 6 inches wide by 9–14 inches high.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the hygger Aquarium Double Sponge Filter include an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The hygger Aquarium Double Sponge Filter needs an air pump to operate, and the pump is not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67867413021063,"sku":"B0FJCZLDJ8","price":39.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-aquarium-sponge-filter-front-view_0e64ada3-7270-45ed-ae8c-4932004bf315.jpg?v=1793534957"},{"product_id":"deggox-aquarium-sponge-filter-size-l-for-20-55-gallon-tanks-quiet-pump-with-ceramic-media","title":"DEGGOX Aquarium Sponge Filter, Size L for 75.7–208 L Tanks, Quiet Pump with Ceramic Media","description":"\u003cp\u003e\u003cstrong\u003eThe DEGGOX Upgrade Aquarium Electric Power Sponge Filter is designed to filter aquarium water using a submersible pump and combined physical and biochemical filtration.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor 20–55 gal (76–208 L) aquariums — sized for tanks within this capacity range.\u003c\/li\u003e\n\u003cli\u003eVenturi nozzle and rain mode — provides lower, slower water flow for fry and shrimp.\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater compatible — suitable for either type of fish tank.\u003c\/li\u003e\n\u003cli\u003eCeramic media balls and spare sponges included — supplies media for the filter and replacement sponge parts.\u003c\/li\u003e\n\u003cli\u003eDetachable, reusable fine sponges — can be removed and reused rather than replaced frequently.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKeeping aquarium water filtered while choosing a flow that suits smaller, low-flow tank inhabitants can be an important part of setting up a tank. This electric sponge filter is made for aquariums with fry, shrimp, nano fish, snails, or bettas, and works in both freshwater and saltwater setups. Its electric pump starts from a power connection, so a separate air pump is not needed.\u003c\/p\u003e\u003ch3\u003eWhat tank size and aquarium animals is this filter designed for?\u003c\/h3\u003e\u003cp\u003eThe size L filter is suggested for aquariums from 20 to 55 gallons (76 to 208 liters). Its Venturi nozzle produces a smaller, slower flow intended to be more suitable for fry and shrimp than a stronger flow. The filter can also be used in tanks with nano fish, snails, and bettas.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChoose this size for a tank within the stated 20–55 gallon capacity.\u003c\/li\u003e\n\u003cli\u003eUse it in either a freshwater or saltwater aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow does the DEGGOX sponge filter clean aquarium water?\u003c\/h3\u003e\u003cp\u003eIt combines physical filtration with biochemical filtration. The sponge provides physical filtration to capture small particles, while the included ceramic media balls provide media for biochemical filtration. An ultra-quiet motor powers the submersible pump, and the filter starts when connected to a power source.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNo additional air pump is required to operate the filter.\u003c\/li\u003e\n\u003cli\u003eThe design includes a Venturi nozzle and a rain mode.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat comes with the filter, and can the sponges be reused?\u003c\/h3\u003e\u003cp\u003eThe package includes the filter, a bag of ceramic media balls, and spare sponges. The fine sponges detach for assembly and reuse, and the filter’s simple components do not need frequent replacement. The filter materials are non-toxic and do not change aquarium water parameters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe filter is designed for straightforward assembly.\u003c\/li\u003e\n\u003cli\u003eDetachable sponge parts can be removed for reuse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis filter suits aquarium keepers setting up a 20–55 gallon tank for fry, shrimp, nano fish, snails, or bettas, including those using freshwater or saltwater. Its submersible electric pump, sponge filtration, and included ceramic media provide a powered filtration setup without a separate air pump.\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 aquarium size is the DEGGOX Upgrade Aquarium Electric Power Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DEGGOX Upgrade Aquarium Electric Power Sponge Filter, size L, is suggested for aquariums from 20 to 55 gallons (76 to 208 liters).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the DEGGOX aquarium sponge filter need a separate air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The DEGGOX aquarium sponge filter runs from a power connection using its submersible pump and does not require an additional air pump.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DEGGOX","offers":[{"title":"Default Title","offer_id":67867524858247,"sku":"B0CDSHTQXN","price":48.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/deggox-aquarium-sponge-filter-front-view.jpg?v=1793537083"},{"product_id":"weipro-internal-aquarium-filter-th-280b-90-gph-with-3-stage-sponge-filtration","title":"Weipro Internal Aquarium Filter, TH-280B 90 GPH with 3-Stage Sponge Filtration","description":"\u003cp\u003e\u003cstrong\u003eWeipro TH-280B is a submersible internal aquarium filter designed to filter and aerate freshwater tanks, with 3-stage sponge filtration and adjustable flow up to 90 GPH.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree filtration stages with sponges of different densities — capture suspended particles and impurities in the water.\u003c\/li\u003e\n\u003cli\u003eAdjustable water flow up to 90 GPH — lets you set the filter’s output for your aquarium.\u003c\/li\u003e\n\u003cli\u003eTransparent ABS filter cartridge — makes the cartridge’s visible clarity and cleanliness easy to inspect.\u003c\/li\u003e\n\u003cli\u003eVenturi system and air tube — add bubbles to the aquarium and support dissolved oxygen.\u003c\/li\u003e\n\u003cli\u003eReusable filter sponges — rinse and reuse them rather than replacing the filter medium frequently.\u003c\/li\u003e\n\u003cli\u003eFor 20–30 gallon freshwater aquariums; vertical installation — suits tanks housing a range of aquatic pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis internal filter combines water filtration and aeration in one submersible unit for freshwater aquarium setups. Its three sponge stages address impurities and suspended particles of different shapes, while the air tube attachment provides an option for adding bubbles. The design is suited to aquarium keepers who want to monitor the filter cartridge and clean its sponge media as part of routine tank care.\u003c\/p\u003e\n\u003ch3\u003eHow does the Weipro TH-280B filter aquarium water?\u003c\/h3\u003e\n\u003cp\u003eWater passes through three compartments containing sponges with different densities, which absorb impurities and suspended particles. This staged biochemical sponge filtration gives the filter three media layers rather than a single sponge. The filter cartridge’s transparent ABS shell lets you see its clarity and clean level, so you can visually check the cartridge.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree filter sponges are included in the filtration compartments.\u003c\/li\u003e\n\u003cli\u003eThe different sponge densities address particles of different shapes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow does the filter add bubbles and adjust water flow?\u003c\/h3\u003e\n\u003cp\u003eThe integrated Venturi system works with the attached air tube to boost dissolved oxygen through aeration. Water flow is adjustable, with a maximum rate of 90 GPH. For optimal bubble production, use single outlet mode and avoid positioning the filter deep below the water surface.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse single outlet mode when aiming for optimal bubble production.\u003c\/li\u003e\n\u003cli\u003eKeep the unit from being placed deep below the water surface for this use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat aquarium size and setup does it fit?\u003c\/h3\u003e\n\u003cp\u003eThe Weipro TH-280B is designed for freshwater aquariums from 20 to 30 gallons (75.7 to 113.6 L). Install it vertically in a glass aquarium and keep it completely submerged for proper operation. It is suitable for freshwater tanks that house various aquatic pets, including breeding setups.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for freshwater use.\u003c\/li\u003e\n\u003cli\u003eVertical placement in a glass aquarium is the specified installation orientation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you clean and maintain the filter?\u003c\/h3\u003e\n\u003cp\u003eThe filter pump and cartridge are designed to assemble and disassemble easily. To maintain the sponge media, rinse it and reuse it; frequent replacement of the filter medium is not needed. This makes the reusable sponges suitable for aquarium keepers who prefer to clean the existing media during upkeep.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe cartridge and pump can be taken apart for cleaning.\u003c\/li\u003e\n\u003cli\u003eRinse the filter sponge before reusing it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Weipro TH-280B is suited to freshwater aquarium owners with a 20–30 gallon tank who want filtration, adjustable water flow and aeration in a submersible filter. Its vertical, fully submerged setup and reusable sponge media make it a fit for routine aquarium filtration and maintenance.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003ePlastic\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 aquarium size is the Weipro TH-280B internal filter designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Weipro TH-280B internal aquarium filter is designed for freshwater aquariums from 20 to 30 gallons (75.7 to 113.6 L).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do you clean the Weipro TH-280B filter sponges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Weipro TH-280B internal aquarium filter has reusable sponges; rinse the sponge media and reuse it instead of replacing it frequently.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Weipro","offers":[{"title":"Default Title","offer_id":67867750924679,"sku":"B0GGJLYLY6","price":44.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/weipro-internal-aquarium-filter-front-view.jpg?v=1793540195"},{"product_id":"aqqa-aquarium-sponge-filter-power-driven-double-biochemical-filtration-with-9-layer-sponge","title":"AQQA Aquarium Sponge Filter, Power-Driven Double Biochemical Filtration with 9-Layer Sponge","description":"\u003cp\u003e\u003cstrong\u003eThe AQQA Aquarium Sponge Water Filter is a power-driven aquarium filter for mechanical and biological filtration, with a 9-layer ribbed sponge design and no separate air pump required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration, oxygenation, and physical filtration — combines several aquarium functions in one filter.\u003c\/li\u003e\n\u003cli\u003ePower-driven operation — plug the filter in without connecting an air pump.\u003c\/li\u003e\n\u003cli\u003eFour removable sponges and ceramic bio filter balls — provide replaceable sponge media and additional biological filtration media.\u003c\/li\u003e\n\u003cli\u003e360-degree rotating, retractable outlet pipe — lets you adjust outlet height and water-flow direction.\u003c\/li\u003e\n\u003cli\u003eTwo suction cups — hold the filter underwater at a chosen position in the tank.\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater suitability — made for ornamental fish tanks, including shrimp, betta, tropical fish, and planted tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is designed for aquarium keepers who want a powered filter that handles floating debris and fine particles while providing biological filtration and oxygenation. Its sponge design also helps protect baby fish from being drawn into the filter, making it suitable for tanks with small fish and shrimp.\u003c\/p\u003e\n\u003ch3\u003eHow does the AQQA sponge filter clean aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe AQQA Aquarium Sponge Water Filter uses a 9-layer ribbed sponge for mechanical and biological filtration, while its outlet provides oxygenation and water movement. The sponge traps floating debris and absorbs fine particles; ceramic bio filter balls in the media container add biological filtration and help remove harmful substances.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe sponge can be removed for cleaning or replacement.\u003c\/li\u003e\n\u003cli\u003eFour sponges are included for replacing filter media.\u003c\/li\u003e\n\u003cli\u003eRinse or squeeze the sponge in aquarium water; do not clean it with tap water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat tank size does each AQQA filter size suit?\u003c\/h3\u003e\n\u003cp\u003eThe small filter is suggested for 10 to 40 gallons (38 to 151 L), and the large filter is suggested for 15 to 55 gallons (57 to 208 L). Compare the filter and sponge dimensions with your aquarium setup before choosing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall filter: 6 in (15.24 cm) wide and 11 in (27.94 cm) high; sponge: 1.97 in (5.00 cm) wide and 4.33 in (11.00 cm) high, with a 0.51 in (1.30 cm) inside-circle diameter.\u003c\/li\u003e\n\u003cli\u003eLarge filter: 6.3 in (16.00 cm) wide and 11 in (27.94 cm) high; sponge: 2.36 in (5.99 cm) wide and 5.12 in (13.00 cm) high, with a 0.62 in (1.57 cm) inside-circle diameter.\u003c\/li\u003e\n\u003cli\u003eThe size label “L” is marked as a clerical error; use the dimensions and suggested tank range when comparing fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you position and operate the AQQA filter?\u003c\/h3\u003e\n\u003cp\u003ePlug the AQQA Aquarium Sponge Water Filter in to operate it; it does not connect to an air pump. Attach it underwater with its two suction cups, then extend and rotate the outlet pipe to set the outlet height and direct water flow.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe outlet rotates through 360 degrees.\u003c\/li\u003e\n\u003cli\u003eThe retractable pipe allows adjustment of outlet height.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater and saltwater aquariums and ornamental fish breeding setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AQQA filter suits aquarium keepers seeking powered sponge filtration for tanks with shrimp, betta, tropical fish, or planted aquariums, including setups where protecting baby fish from filter intake matters. Its removable sponge media, ceramic bio filter balls, and adjustable outlet combine filtration and flow control in one aquarium unit.\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: Does the AQQA Aquarium Sponge Water Filter need an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The AQQA Aquarium Sponge Water Filter is power-driven and operates when plugged in; it does not need to connect to an air pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I clean the AQQA Aquarium Sponge Water Filter sponges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Remove the sponge and rinse or squeeze it using aquarium water. Do not use tap water to clean the AQQA Aquarium Sponge Water Filter sponges.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AQQA","offers":[{"title":"Default Title","offer_id":67867982561671,"sku":"B08KY5TFKJ","price":48.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aqqa-aquarium-sponge-filter-front-view.jpg?v=1793543669"},{"product_id":"alegi-aquarium-sponge-filter-set-4-pack-for-80-150-gallon-tanks-with-air-stones","title":"ALEGI Aquarium Sponge Filter Set, 4-Pack for 303–568 L Tanks with Air Stones","description":"\u003cp\u003e\u003cstrong\u003eALEGI’s large aquarium sponge filter with air stone provides mechanical and biological filtration, with each unit recommended for an 80–150 gallon (303–568 L) aquarium.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — supports routine aquarium water filtration.\u003c\/li\u003e\n\u003cli\u003e80–150 gallon (303–568 L) recommended capacity per unit — helps match a filter to the tank.\u003c\/li\u003e\n\u003cli\u003eFour sponge filters with ceramic filter media — provides components for multiple filter setups.\u003c\/li\u003e\n\u003cli\u003eAirline check valves — help prevent water backflow and air pump damage during a power outage.\u003c\/li\u003e\n\u003cli\u003eRinse-and-squeeze cleaning — makes sponge maintenance a straightforward part of aquarium care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquariums used for breeding and raising fry need filtration suited to their inhabitants and regular maintenance. This air-driven sponge filter set is designed for aquariums with bettas, shrimp, fry, or other fish, and combines sponge filtration with an air stone.\u003c\/p\u003e\n\u003ch3\u003eWhat kind of filtration does the ALEGI aquarium sponge filter provide?\u003c\/h3\u003e\n\u003cp\u003eEach ALEGI aquarium sponge filter provides both mechanical and biological filtration. The sponge supports mechanical filtration, while the filter media provides biological filtration as part of aquarium water care. The air pump drives the setup through an airline connected to the filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for use in fish tanks, including breeding aquariums.\u003c\/li\u003e\n\u003cli\u003eCombines two forms of filtration in a sponge filter unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat tank size is each ALEGI filter recommended for?\u003c\/h3\u003e\n\u003cp\u003eEach ALEGI aquarium sponge filter is recommended for a tank in the 80–150 gallon (303–568 L) range. The set is intended for fish tanks that may house fry, bettas, shrimp, or other fish; use the capacity range to assess whether a unit suits your aquarium.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe recommended capacity applies to each filter unit.\u003c\/li\u003e\n\u003cli\u003eSuitable for aquarium use in breeding and fish-keeping setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you set up and maintain the ALEGI filter?\u003c\/h3\u003e\n\u003cp\u003eConnect one end of an air hose to your air pump and the other end to the filter, then turn on the pump. A check valve on the hose helps limit water flowing backward and damaging the pump if power is interrupted. For cleaning, rinse and squeeze the sponge in tank water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes 4 sponge filters, 4 non-return check valves, 4 control valves, and 4 suction cups.\u003c\/li\u003e\n\u003cli\u003eAlso includes 25 feet (7.62 m) of air tubing and ceramic filter media.\u003c\/li\u003e\n\u003cli\u003eConnects to an air pump using an air hose.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ALEGI set is suited to aquarium keepers setting up filtration for fish tanks, including breeding tanks and tanks with fry, bettas, or shrimp. Its recommended capacity, dual filtration, air-driven connection, and rinse-and-squeeze sponge care make it a practical fit for buyers seeking a sponge filter system with included air-line accessories.\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 tank size is each ALEGI aquarium sponge filter recommended for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each ALEGI aquarium sponge filter is recommended for an 80–150 gallon (303–568 L) aquarium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes with the ALEGI aquarium sponge filter set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ALEGI aquarium sponge filter set includes 4 sponge filters, 4 non-return check valves, 4 control valves, 4 suction cups, 25 feet (7.62 m) of air tubing, and ceramic filter media.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ALEGI","offers":[{"title":"Default Title","offer_id":67868005040519,"sku":"B0DG7ZN4W3","price":63.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/alegi-aquarium-sponge-filter-front-view_6f228e6e-d4a8-49a6-bca4-9f36d2a6a26d.jpg?v=1793544112"},{"product_id":"alegi-large-aquarium-sponge-filters-4-pack-for-40-80-gallon-tanks-with-air-stones","title":"ALEGI Large Aquarium Sponge Filters, 4-Pack for 151–303 L Tanks with Air Stones","description":"\u003cp\u003e\u003cstrong\u003eALEGI’s four-piece large aquarium sponge filter set provides mechanical and biological filtration for fish tanks, with each filter recommended for aquariums from 40–80 gal (151–303 L).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical and biological filtration — captures particles while providing biological filtration for aquarium water.\u003c\/li\u003e\n\u003cli\u003eFour sponge filters, each for a 40–80 gal tank — supplies a filter for suitable aquariums.\u003c\/li\u003e\n\u003cli\u003eAir-stone design with check valves — connects to an air pump and helps prevent water from flowing back toward it during a power outage.\u003c\/li\u003e\n\u003cli\u003e25 ft (7.6 m) of air tubing — provides tubing for connecting the filters to an air pump.\u003c\/li\u003e\n\u003cli\u003eControl valves, suction cups, and ceramic filter media included — provides key components for setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor tanks housing breeding fry, bettas, shrimp, or other fish, filtration needs to suit the aquarium and its inhabitants. This air-driven sponge filter set combines mechanical and biological filtration, with components for connecting the filters to an air pump and securing them inside a tank.\u003c\/p\u003e\n\u003ch3\u003eWhat does the ALEGI sponge filter do?\u003c\/h3\u003e\n\u003cp\u003eEach ALEGI sponge filter provides mechanical and biological filtration for aquarium water. The sponge supports mechanical filtration, while the filter’s biological function makes it a dual-filtration option for fish tanks. Its air-stone design works with an air pump to move air through the filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for aquarium filtration and tank oxygenation.\u003c\/li\u003e\n\u003cli\u003eSuitable for tanks with breeding fry, bettas, shrimp, and fish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat tank size is each filter for?\u003c\/h3\u003e\n\u003cp\u003eEach filter is recommended for a 40–80 gal aquarium. Use that capacity as the key sizing guide when choosing a filter for your tank; the recommendation applies to each sponge filter, not the four-piece set as one combined unit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFour large sponge filters are included.\u003c\/li\u003e\n\u003cli\u003eEach filter has a suction cup for attaching it inside the aquarium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes in the set, and how do you set it up?\u003c\/h3\u003e\n\u003cp\u003eThe set includes four sponge filters, four non-return check valves, four control valves, four suction cups, 25 ft (7.6 m) of air tubing, and ceramic filter media. To set up a filter, connect an air hose between the air pump and the filter, then switch on the pump.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCheck valves help prevent water backflow toward the air pump and reduce the risk of pump damage during a power outage.\u003c\/li\u003e\n\u003cli\u003eControl valves and suction cups are included for the four filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you clean the sponge filter?\u003c\/h3\u003e\n\u003cp\u003eRinse and squeeze the sponge in tank water for cleaning. This straightforward maintenance step cleans the sponge without requiring a separate cleaning method.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCleaning uses aquarium water.\u003c\/li\u003e\n\u003cli\u003eThe filter connects to an air pump through the included air tubing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis ALEGI set suits aquarium keepers who want air-driven mechanical and biological filtration for tanks within the stated capacity, including tanks for fry, bettas, shrimp, or fish. Four filters, connection components, and ceramic filter media make up a set designed around aquarium use and routine sponge cleaning.\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 aquarium size is each ALEGI sponge filter suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each ALEGI large aquarium sponge filter is recommended for a 40–80 gal (151–303 L) aquarium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do you clean an ALEGI aquarium sponge filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Clean an ALEGI aquarium sponge filter by rinsing and squeezing the sponge in tank water.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ALEGI","offers":[{"title":"Default Title","offer_id":67868005106055,"sku":"B0DG8M9H91","price":60.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/alegi-aquarium-sponge-filter-front-view_ac47821a-aacb-4bc3-b663-164f10b0cedb.jpg?v=1793544111"},{"product_id":"hygger-aquarium-sponge-filter-3-5w-for-10-40-gallon-tanks-with-adjustable-flow","title":"hygger Aquarium Sponge Filter, 3.5W for 37.9–151 L Tanks with Adjustable Flow","description":"\u003cp\u003e\u003cstrong\u003eThe hygger Electric Aquarium Sponge Filter is a 3.5W aquarium filter designed to support water filtration and circulation in 10–40 gal (38–151 L) fish tanks, with a dual-sponge design and ceramic bio media.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRibbed dual sponges and a chamber of bio ceramic balls — provide two stages of filtration to capture debris and support aquarium water quality.\u003c\/li\u003e\n\u003cli\u003e3.5W submersible pump operating below 30 dB — filters with low power use and quiet operation for home or office tanks.\u003c\/li\u003e\n\u003cli\u003eVenturi nozzle and adjustable rain-mode outlet — let you choose between outlet styles, including a gentler flow for shrimp and fry.\u003c\/li\u003e\n\u003cli\u003e360° rotatable, retractable outlet pipe — directs water where you want it and can extend above the surface for a waterfall effect.\u003c\/li\u003e\n\u003cli\u003eTwo spare sponges and bio-media balls included — provide replacement sponges and biological media for ongoing filter use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a small aquarium, choosing filtration also means considering current strength, oxygenation, and how much equipment the setup requires. This electric sponge filter combines mechanical and biological filtration with adjustable water output, and its built-in pump works without an airline or external air pump. It is made for freshwater or saltwater aquariums in the stated tank-size range, with outlet options suited to setups that need a gentler current.\u003c\/p\u003e\n\u003ch3\u003eHow does the hygger filter clean aquarium water?\u003c\/h3\u003e\n\u003cp\u003eThe filter passes aquarium water through ribbed sponge surfaces and a chamber filled with ceramic bio media. The sponge surfaces catch debris, while the media provides a place for beneficial biological filtration. The submersible pump also circulates water through the unit, supporting circulation and aeration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe double-ribbed sponge shape adds water-contact area.\u003c\/li\u003e\n\u003cli\u003eThe Venturi air nozzle adds oxygenation to the water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan I adjust the flow for shrimp, bettas, fry, or plants?\u003c\/h3\u003e\n\u003cp\u003eYes. Choose the Venturi nozzle or the adjustable rain-mode spray bar to suit the current you want in the aquarium. The outlet pipe rotates through 360° and retracts, so you can direct the flow or extend it above the water for a gentle waterfall.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Venturi outlet produces a smaller, slower flow, making it suitable for fry and shrimp.\u003c\/li\u003e\n\u003cli\u003eThe rain-style spray bar offers adjustable flow for delicate fish and plants that prefer lower current.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is included, and how do I set it up?\u003c\/h3\u003e\n\u003cp\u003eThe hygger filter includes the assembled filter components, two replacement sponges, and bio-media balls. Attach the unit inside the tank with the included suction cups, then plug it in; no separate air pump or airline is needed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the two spare sponges from the filter chamber before operating the unit.\u003c\/li\u003e\n\u003cli\u003eFor cleaning, disassemble the filter and rinse the reusable sponges in aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter suits aquarium keepers who want an internally mounted powered sponge filter with selectable outlet flow and no external air pump. Its stated fit is 10–40 gal (38–151 L) tanks, and its adjustable outlets accommodate both gentle-flow setups and directed circulation.\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 aquarium size is the hygger Electric Aquarium Sponge Filter for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Electric Aquarium Sponge Filter is sized for 10–40 gal (38–151 L) fish tanks and works with freshwater or saltwater setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the hygger Electric Aquarium Sponge Filter need an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The hygger Electric Aquarium Sponge Filter has a submersible electric pump and plugs in directly; it does not need an airline or external air pump.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67868357722503,"sku":"B0GL7W67FD","price":44.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-electric-aquarium-filter-front-view.jpg?v=1793551666"},{"product_id":"hygger-aquarium-sponge-filter-for-29-55-gallon-tanks-5w-quiet-pump","title":"hygger Aquarium Sponge Filter for 110–208 L Tanks, 5W Quiet Pump","description":"\u003cp\u003e\u003cstrong\u003eThe hygger Electric Aquarium Sponge Filter is a 5W submersible filter for 29–55 gal (110–208 L) fish tanks, combining dual sponge filtration with adjustable Venturi and rain-style water outlets.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits 29–55 gal aquariums — sized for tanks within this stated capacity range.\u003c\/li\u003e\n\u003cli\u003eDual ribbed sponges and bio ceramic balls — trap debris and provide two filtration stages.\u003c\/li\u003e\n\u003cli\u003e5W pump operating below 30 dB — filters with low power use and quiet operation.\u003c\/li\u003e\n\u003cli\u003eVenturi nozzle and adjustable rain mode — let you choose between outlet styles and manage water flow.\u003c\/li\u003e\n\u003cli\u003eTwo spare sponges, bio-media balls and suction cups included — provide replacement media and tank mounting components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium filtration needs to collect suspended debris while providing water movement suited to the animals and plants in the tank. This hygger filter combines sponge and biological media in one submersible unit, with outlet choices for a gentler current. It is designed for freshwater or saltwater aquariums, including setups with shrimp, bettas, fry or plants that prefer lower flow.\u003c\/p\u003e\n\u003ch3\u003eWhat tank size is this hygger sponge filter for, and what comes with it?\u003c\/h3\u003e\n\u003cp\u003eThe hygger Electric Aquarium Sponge Filter is intended for a 29–55 gal (110–208 L) fish tank. The filter has a submersible pump, a chamber containing bio ceramic balls, and two ribbed sponge elements that increase the area available for water contact. The package also includes two spare replacement sponges, bio-media balls and suction cups for attaching the filter inside the tank.\u003c\/p\u003e\n\u003cp\u003eThe combined sponge and bio-media design gives the water two filtration stages within a single unit. The sponges capture debris, while the ceramic balls provide biological media in the chamber. The filter can be used in freshwater or saltwater setups.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTank attachment uses the included suction cups.\u003c\/li\u003e\n\u003cli\u003eBio ceramic balls sit in the filter chamber.\u003c\/li\u003e\n\u003cli\u003eRemove the two spare sponges from the chamber before using the filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan I adjust the flow for shrimp, bettas, fry or plants?\u003c\/h3\u003e\n\u003cp\u003eYes. The hygger filter offers a Venturi nozzle and an adjustable rain-style outlet, so you can select the water output that suits your aquarium. Its outlet pipe rotates 360° and retracts, allowing you to direct the flow or extend the outlet above the water to create a gentle waterfall.\u003c\/p\u003e\n\u003cp\u003eThe Venturi nozzle produces a smaller, slower flow and adds oxygenation. The adjustable shower spray bar creates a rain-like current, with an adjustable water flow rate. These outlet options are designed to accommodate delicate shrimp, bettas and fry, as well as plants that prefer low flow. Water circulation and aeration help maintain oxygen levels in the tank.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChoose between a Venturi nozzle and rain-style spray bar.\u003c\/li\u003e\n\u003cli\u003eRotate or extend the outlet pipe to direct water where needed.\u003c\/li\u003e\n\u003cli\u003eThe spray bar has an adjustable flow rate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do I install and clean the hygger filter?\u003c\/h3\u003e\n\u003cp\u003eAttach the hygger Electric Aquarium Sponge Filter inside the aquarium with its suction cups, then plug it in; no airline or separate external air pump is needed. The submersible pump is rated at 5W and operates at less than 30 dB, making it suitable for a bedroom or office aquarium where quieter operation is useful.\u003c\/p\u003e\n\u003cp\u003eThe unit disassembles for cleaning. Rinse the reusable sponges in water taken from the fish tank, and use the included spare sponges as replacements over time. Keep the two extra sponges out of the chamber when first setting up the filter, as they are replacement media rather than part of the initial setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play installation inside the tank.\u003c\/li\u003e\n\u003cli\u003eNo airline or external air pump required.\u003c\/li\u003e\n\u003cli\u003eReusable sponges are rinsed in aquarium water during cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter suits aquarium keepers who want sponge and biological media in one submersible unit, with outlet options for adjusting water movement. Its stated capacity is 29–55 gal (110–208 L), and its Venturi and rain-style outlets support different flow preferences.\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 size tank is the hygger Electric Aquarium Sponge Filter designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hygger Electric Aquarium Sponge Filter is designed for fish tanks from 29 to 55 gallons (110–208 L).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the hygger Electric Aquarium Sponge Filter need an external air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The hygger Electric Aquarium Sponge Filter is a plug-in submersible unit and does not require an airline or separate external air pump.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"hygger","offers":[{"title":"Default Title","offer_id":67868493414791,"sku":"B0GL6Q2T27","price":48.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/hygger-electric-sponge-filter-front-view_c0a0580c-1fb6-49ed-af2a-a85eaf787f30.jpg?v=1793555583"},{"product_id":"dvhey-aquarium-sponge-filter-with-air-stone-medium-6-pack-for-50-80-gallon-tanks-reusable","title":"DVHEY Aquarium Sponge Filter with Air Stone, Medium 6-Pack for 189–303 L Tanks, Reusable","description":"\u003cp\u003e\u003cstrong\u003eDVHEY Aquarium Sponge Filter with Air Stone is a six-filter set for circulating and filtering aquarium water in tanks sized 50–80 gallons.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSponge and ceramic media — combines mechanical filtration with aeration.\u003c\/li\u003e\n\u003cli\u003eHigh-density microporous sponge with a honeycomb structure — helps break down harmful waste.\u003c\/li\u003e\n\u003cli\u003eAir-stone bubble diffuser — creates tiny bubbles and smooth water flow while reducing noise.\u003c\/li\u003e\n\u003cli\u003eDetachable, reusable filter components — make cleaning and continued use straightforward.\u003c\/li\u003e\n\u003cli\u003eAirline tubing and mounting accessories included — supports a tool-free setup; the air pump is not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis air-powered filter set is made for aquarium keepers who want water circulation and filtration for freshwater fish, shrimp, and breeding or brood-rearing setups. Its bubble diffuser adds aeration as water flows through the filter, making it suitable for ornamental fish care as well as shrimp tanks and fighting fish ponds.\u003c\/p\u003e\n\u003ch3\u003eHow does the DVHEY filter combine filtration and aeration?\u003c\/h3\u003e\n\u003cp\u003eEach filter combines a sponge with ceramic filter media, while an air stone drives water circulation and releases fine bubbles. The sponge has a high-density microporous, honeycomb structure that helps break down harmful waste. The bubble diffuser is designed to provide smooth flow and reduce operating noise.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUses air power to circulate water.\u003c\/li\u003e\n\u003cli\u003eCombines sponge filtration with ceramic media.\u003c\/li\u003e\n\u003cli\u003eCreates tiny bubbles through an air stone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat aquarium setups is this filter set made for?\u003c\/h3\u003e\n\u003cp\u003eThe medium filters are intended for 50–80 gallon tanks and suit freshwater setups for ornamental fish and shrimp. They can also be used for fish feeding, breeding, and brood cultivation. The stated applications include fighting fish ponds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for freshwater aquariums.\u003c\/li\u003e\n\u003cli\u003eMade for ornamental fish and shrimp setups.\u003c\/li\u003e\n\u003cli\u003eSupports feeding, breeding, and brood-rearing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes in the six-filter set?\u003c\/h3\u003e\n\u003cp\u003eThe set contains six sponge filters, bio ceramic media balls, 24 ft (7.3 m) of airline tubing, 12 suction cups, six check valves, and six non-return check valves. An air pump is not included, so the filters require an air pump to operate.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSix sponge filters and bio ceramic media balls.\u003c\/li\u003e\n\u003cli\u003e24 ft (7.3 m) airline tubing and 12 suction cups.\u003c\/li\u003e\n\u003cli\u003eSix check valves and six non-return check valves.\u003c\/li\u003e\n\u003cli\u003eInstallation requires no tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow do you clean and reuse the filters?\u003c\/h3\u003e\n\u003cp\u003eThe filter detaches for cleaning, and cleaning every 2–4 weeks is recommended. Rinse it with aquarium water rather than tap water. The sponge and bio ceramic media balls are reusable and replaceable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDetach the filter to remove dirt.\u003c\/li\u003e\n\u003cli\u003eClean with aquarium water, not tap water.\u003c\/li\u003e\n\u003cli\u003eReusable sponge and ceramic media balls can be replaced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis set suits aquarium keepers setting up freshwater fish or shrimp tanks, including breeding and brood-cultivation environments, who want an air-powered filter with included tubing and mounting accessories. Its six medium filters are intended for tanks sized 50–80 gallons and need an air pump, which is not included.\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 tank size is the DVHEY Aquarium Sponge Filter 6-pack made for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DVHEY Aquarium Sponge Filter medium 6-pack is intended for tanks sized 50–80 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the DVHEY Aquarium Sponge Filter set include an air pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The DVHEY Aquarium Sponge Filter set includes airline tubing and filter accessories, but the air pump is not included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DVHEY","offers":[{"title":"Default Title","offer_id":67870075289991,"sku":"B0GCLBKTCY","price":76.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/dvhey-sponge-filter-air-stone-front-view.jpg?v=1793573821"},{"product_id":"aquatop-internal-aquarium-filter-72-126-gph-adjustable-submersible-filter-with-replaceable-sponge","title":"Aquatop Internal Aquarium Filter, 72–126 GPH Adjustable Submersible Filter with Replaceable Sponge","description":"\u003cp\u003eAquatop’s 72–126 GPH Internal Filter is a submersible filter for aquarium tanks or sumps, with adjustable flow and a replaceable filter sponge for routine water filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable 72–126 GPH flow — tailor water movement to your tank or sump.\u003c\/li\u003e\n\u003cli\u003eSubmersible internal design — place the filter in the aquarium or sump.\u003c\/li\u003e\n\u003cli\u003eReplaceable filter sponge included — keep the filter ready for ongoing use.\u003c\/li\u003e\n\u003cli\u003eFreshwater and saltwater compatibility — use it with either type of aquarium.\u003c\/li\u003e\n\u003cli\u003eAccessible filter components — reach the sponge for cleaning and replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis filter is made for aquarium keepers who want filtration within a tank or sump and a way to adjust the water flow. Its submersible format keeps the filtration unit in the aquarium system, while the included sponge can be removed for maintenance and replaced when needed. The adjustable output helps accommodate different flow preferences without changing the filter’s intended tank-or-sump role.\u003c\/p\u003e\n\u003ch3\u003eHow can I adjust the water flow?\u003c\/h3\u003e\n\u003cp\u003eThe Aquatop Internal Filter has an adjustable flow rate spanning 72–126 gallons per hour (GPH). Set the output to suit the flow needs of your tank or sump; this range gives you more control than a fixed-output filter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse the adjustable output to customize water movement.\u003c\/li\u003e\n\u003cli\u003eChoose a setting within the filter’s stated flow range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes with the filter, and how is it maintained?\u003c\/h3\u003e\n\u003cp\u003eThe Aquatop Internal Filter comes with a replaceable filter sponge, and its components are accessible for cleaning and replacement. The design supports straightforward setup and routine upkeep, with the sponge available to remove when it is time to clean or replace it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne replaceable filter sponge is included.\u003c\/li\u003e\n\u003cli\u003eAccess the sponge and filter components for maintenance.\u003c\/li\u003e\n\u003cli\u003eQuick sponge replacement helps keep routine upkeep simple.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan I use this filter in freshwater and saltwater aquariums?\u003c\/h3\u003e\n\u003cp\u003eThe Aquatop Internal Filter is suitable for both freshwater and saltwater tanks. Its internal, submersible format also makes it an option for a sump, so it can serve different aquarium setups while remaining within those stated uses.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for tank or sump use.\u003c\/li\u003e\n\u003cli\u003eSuitable for freshwater or saltwater systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAquarium keepers looking for an adjustable submersible filter with a replaceable sponge will find the Aquatop Internal Filter suited to routine filtration in a tank or sump. Its stated use covers freshwater and saltwater aquariums, and its accessible components support cleaning and sponge changes. The filter’s adjustable 72–126 GPH flow and included replaceable sponge define its practical 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: What is the Aquatop Internal Filter’s flow rate?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Aquatop Internal Filter has an adjustable flow rate of 72–126 GPH, allowing you to customize water flow for a tank or sump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the Aquatop Internal Filter include a replaceable sponge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Aquatop Internal Filter includes a replaceable filter sponge, and its components are accessible for cleaning and replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aquatop","offers":[{"title":"Default Title","offer_id":67871118164359,"sku":"B005G5DR6S","price":144.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/aquatop-internal-filter-front-view.jpg?v=1793588277"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/collections\/hygger-aquarium-sponge-filter-front-view_0e64ada3-7270-45ed-ae8c-4932004bf315.jpg?v=1793657087","url":"https:\/\/ardentpets.co.uk\/collections\/sponge-filters.oembed","provider":"ArdentPets","version":"1.0","type":"link"}