{"product_id":"reusable-biochemical-sponge-filter-aquarium-fish-tank","title":"Reusable Biochemical Sponge Filter – Aquarium Fish Tank","description":"\n\u003ch2\u003eReusable Biochemical Sponge Filter for Aquarium Fish Tanks\u003c\/h2\u003e\n\u003cp\u003eKeep your aquarium water crystal clear with this compact and efficient biochemical sponge filter. Designed to work seamlessly with a standard air pump, this skimmer-style filter provides reliable mechanical and biological filtration — perfect for fish tanks of all sizes. Its reusable sponge cotton media supports the growth of beneficial bacteria, helping to maintain a healthy and balanced aquatic environment for your fish and other aquatic pets.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Filtration:\u003c\/strong\u003e Dual-action mechanical and biological filtration keeps water clean and healthy for your aquatic life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilent Operation:\u003c\/strong\u003e Runs quietly to maintain a calm, peaceful environment for both your fish and your home.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Space-Saving:\u003c\/strong\u003e Measures just 10cm × 5cm × 15cm, fitting neatly into tanks without taking up valuable swimming space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Durable:\u003c\/strong\u003e Sturdy plastic construction with washable sponge cotton media for long-term, cost-effective use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install \u0026amp; Maintain:\u003c\/strong\u003e Simple setup with any standard air pump — just rinse the sponge regularly to keep filtration at peak performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e Weighs only 100 grams, making it easy to position anywhere in your tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic \u0026amp; Sponge Cotton\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10cm × 5cm × 15cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 Grams\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Air Pump (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Biochemical Sponge Filter \u003cstrong\u003eOR\u003c\/strong\u003e 1× Replacement Cotton Filter Sponge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-bowls-dog-cat-food-pet-feeding-ant-water-proof-feeder-anti-pet-puppy-dish-outdoor-drinking-dispenser-dogs-random-color\"\u003ePet Feeding Ant-Proof Water Feeder Bowl\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pcs-dome-heating-reptile-light-fixtures-aluminum-black-animals-heat-lamp-protector-lampshade-shell\"\u003eDome Heating Reptile Light Fixture\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fws.gov\/\" target=\"_blank\" rel=\"noopener\"\u003eU.S. Fish and Wildlife Service\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of aquarium is this biochemical sponge filter suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This reusable aquarium sponge filter is suitable for a wide range of freshwater fish tanks. Its compact 10cm × 5cm × 15cm size makes it ideal for small to medium aquariums, betta tanks, shrimp tanks, fry tanks, and breeding setups where gentle, efficient filtration is needed.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need an air pump to use this aquarium filter?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this biochemical sponge filter is designed to be powered by a standard aquarium air pump (sold separately). The air pump draws water through the sponge media, providing both mechanical filtration and a surface for beneficial bacteria to colonize for biological filtration.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I clean and maintain the reusable sponge filter?\u003c\/h4\u003e\n\u003cp\u003eA: To maintain peak filtration performance, remove the sponge cotton and gently rinse it in a bucket of tank water (not tap water) every 2–4 weeks. Rinsing in tank water preserves the beneficial bacteria colonies living in the sponge. The durable plastic body can be wiped clean as needed.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of aquarium is this biochemical sponge filter suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This reusable aquarium sponge filter is suitable for a wide range of freshwater fish tanks. 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