{"title":"Filtration","description":"\u003cp\u003eShop KSY Aquatics aquarium filters and fish tank filtration products for cleaner, healthier aquarium water. Explore practical filtration options for freshwater and saltwater tanks, including sponge filters and compact aquarium filter solutions.\u003c\/p\u003e\n\n\u003cp\u003eChoose filtration equipment for everyday aquarium maintenance and reliable water circulation.\u003c\/p\u003e","products":[{"product_id":"12d-aquarium-filter-sponge","title":"KSY Aquatics 12D Multi-Layer Aquarium Filter Sponge Pad — 30×20cm, Reusable Fish Tank Filter Media, 12-Layer Filtration","description":"\u003ch2\u003e12 Layers. Zero Compromises.\u003c\/h2\u003e\n\u003cp\u003eStandard aquarium filter pads give you 6 or 8 layers. The KSY Aquatics \u003cstrong\u003e12D filter sponge\u003c\/strong\u003e gives you 12 — honeycomb mesh, high-density fiber, bio-sponge, and activated carbon layers stacked for mechanical, biological, and chemical filtration in a single 2.8cm pad.\u003c\/p\u003e\n\n\u003ch2\u003eCut to Fit Any Filter\u003c\/h2\u003e\n\u003cp\u003eAt 30 × 20cm (11.8 × 7.9 inches), this pad fits most hang-on-back, canister, and sump filters. Need a custom shape? Cut it with scissors — the layers stay bonded, no glue, no shedding. One pad covers multiple filter trays.\u003c\/p\u003e\n\n\u003ch2\u003eReusable — Rinse and Repeat\u003c\/h2\u003e\n\u003cp\u003eUnlike disposable filter floss that clogs in a week, the 12D sponge can be rinsed and reused for \u003cstrong\u003e2-3 months\u003c\/strong\u003e before replacement. The open-cell structure traps debris without compacting, so water flow stays strong between cleanings.\u003c\/p\u003e\n\n\u003ch2\u003eDual-Action Bacteria Cultivation\u003c\/h2\u003e\n\u003cp\u003eThe yellow and blue bio-sponge layers provide massive surface area for \u003cstrong\u003ebeneficial bacteria colonization\u003c\/strong\u003e. More bacteria = more efficient ammonia and nitrite breakdown = fewer water changes. A mature 12D pad is a biological filter, not just a mechanical one.\u003c\/p\u003e\n\n\u003ch2\u003eDeodorization Built In\u003c\/h2\u003e\n\u003cp\u003eIntegrated activated carbon layers absorb odors, tannins, and dissolved organic compounds that cloud your water. Crystal-clear, odor-free tanks without separate carbon bags.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12D Multi-Layer Aquarium Filter Sponge Pad\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLayers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 (honeycomb mesh, fiber, bio-sponge, activated carbon)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 × 20 × 2.8 cm (11.8 × 7.9 × 1.1 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnder 100g (3.5 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-density sponge + activated carbon fiber, glue-free bonding\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReusable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — rinse and reuse 2-3 months per pad\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHOB, canister, sump, internal filters — cut to fit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × 12D Filter Sponge Pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KSY Aquatics","offers":[{"title":"Default Title","offer_id":46170725253256,"sku":"KSY-FLT-12D-30X20","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4620\/1224\/files\/KSY_Aquatics_12D_multi-layer_aquarium_filter_sponge_pad_12-layer_filtration_media_30x20cm.png?v=1783445023"},{"product_id":"mini-aquarium-sponge-filter-with-aeration-2-pack","title":"Mini Aquarium Sponge Filter with Aeration 2 Pack","description":"\u003ch2\u003eClean Water. Better Aeration.\u003c\/h2\u003e\n\u003cp\u003eThe KSY Aquatics \u003cstrong\u003emini aquarium sponge filter\u003c\/strong\u003e helps trap debris while supporting gentle aeration, making small tanks easier to keep clean and balanced.\u003c\/p\u003e\n\u003ch2\u003eSmall Footprint. Easy Fit.\u003c\/h2\u003e\n\u003cp\u003eDesigned for mini aquariums and desktop tanks, the compact size takes up less space inside the tank while still supporting daily filtration and oxygen flow.\u003c\/p\u003e\n\u003ch2\u003eSimple Structure. Easy to Use.\u003c\/h2\u003e\n\u003cp\u003eThe sponge filter, air chamber, and suction cup mount work together in a straightforward design that is easy to place, remove, and maintain.\u003c\/p\u003e\n\u003ch2\u003eGentle Flow for Small Tanks.\u003c\/h2\u003e\n\u003cp\u003eThis air-driven filter provides a softer flow than many larger filter styles, making it a practical choice for betta tanks, shrimp tanks, and other small aquarium setups.\u003c\/p\u003e\n\u003ch2\u003e2 Pack for Daily Setup.\u003c\/h2\u003e\n\u003cp\u003eEach set includes two mini sponge filters, giving you a convenient option for multiple tanks or for keeping a backup on hand during routine cleaning and replacement.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMini Aquarium Sponge Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuction Cup Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiltration and Aeration for Mini Aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMini Tanks \/ Desktop Aquariums \/ Betta Tanks \/ Shrimp Tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApprox. 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