{"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","url":"https:\/\/ksyaquatics.com\/products\/12d-aquarium-filter-sponge","provider":"KSY Aquatics","version":"1.0","type":"link"}