{"product_id":"tetra-pond-algae-control-blocks-50-count-dissolving-water-treatment","title":"Tetra Pond Algae Control Blocks, 50 Count, Dissolving Water Treatment","description":"\u003cp\u003e\u003cstrong\u003eTetra Pond Block is a 50-count dissolving treatment designed to control algae and help clear cloudy water in ornamental fish ponds and fountains.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne block treats 100–250 gallons (380–950 L) — sized for the stated pond-water range.\u003c\/li\u003e\n\u003cli\u003eInitial dose: one block per 100 gallons (380 L) — gives a clear starting amount.\u003c\/li\u003e\n\u003cli\u003eReplace blocks after the previous ones dissolve, usually after 30 days — supports regular maintenance.\u003c\/li\u003e\n\u003cli\u003eMade for containerized ponds and fountains — suits these ornamental water features.\u003c\/li\u003e\n\u003cli\u003eNot recommended for ponds with live plants — helps clarify whether the product fits your setup.\u003c\/li\u003e\n\u003cli\u003eHelps control algae and clear cloudy water — supports clearer viewing of ornamental fish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlgae can make fish harder to see and use oxygen in pond water. It is a natural part of aquatic environments, so the aim is to keep growth in check rather than make a pond completely algae-free. Tetra Pond Block is intended for ornamental ponds and fountains where algae control and cloudy-water clarity are concerns.\u003c\/p\u003e\n\u003ch3\u003eHow does Tetra Pond Block help with algae?\u003c\/h3\u003e\n\u003cp\u003eTetra Pond Block is designed to control algae growth and help clear cloudy water. Algae use photosynthesis to combine water and carbon dioxide, producing sugars that support their energy and growth. Keeping algae in check can help prevent it from obscuring colorful fish or depleting valuable oxygen.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlgae are primitive plants that grow through photosynthesis.\u003c\/li\u003e\n\u003cli\u003eA balanced pond environment is part of keeping algae in check.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many Tetra Pond Blocks should I use?\u003c\/h3\u003e\n\u003cp\u003eFor the initial dose, use one block for each 100 gallons (380 L) of pond or fountain water. Each block is intended for a water volume between 100 and 250 gallons (380–950 L), so use the measured water volume to choose the amount for your pond.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe treatment is supplied as 50 dissolving blocks.\u003c\/li\u003e\n\u003cli\u003eThe stated water-volume range is for ornamental pond and fountain use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen should I replace a block, and where can I use it?\u003c\/h3\u003e\n\u003cp\u003eFor ongoing maintenance, replace the block or blocks after the previous ones have fully dissolved; this usually takes about 30 days. The blocks are intended for containerized ponds and fountains, but are not recommended for use with live plants.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWait until the previous block has fully dissolved before replacing it.\u003c\/li\u003e\n\u003cli\u003eChoose this treatment for ornamental water features without live plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTetra has developed fish-food knowledge for fishkeeping enthusiasts since 1951. Tetra Pond Block suits pond keepers looking to manage algae in a containerized ornamental pond or fountain and follow a dissolving-block maintenance routine. It is intended for ornamental water features, not for use with live plants.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much water does one Tetra Pond Block treat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One Tetra Pond Block treats 100–250 gallons (380–950 L). For the initial dose, use one block per 100 gallons (380 L) of pond or fountain water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Tetra Pond Block in a pond with live plants?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Tetra Pond Block is not recommended for use with live plants. It is intended for ornamental ponds, including containerized ponds, and fountains.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tetra","offers":[{"title":"Default Title","offer_id":67871170822535,"sku":"B006ZIFJVG","price":104.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/tetra-pond-block-package-front.jpg?v=1793590472","url":"https:\/\/ardentpets.co.uk\/products\/tetra-pond-algae-control-blocks-50-count-dissolving-water-treatment","provider":"ArdentPets","version":"1.0","type":"link"}