{"product_id":"biochemical-sponge-filter-foam-or-aquarium-sponge-filter-foam","title":"Biochemical Sponge Filter Foam | Black Aquarium Filter Media Pad for Fish Tanks \u0026 Ponds","description":"\u003ch2\u003eCrystal-Clear Water Starts Here\u003c\/h2\u003e\u003cp\u003eKeep your aquarium thriving with this high-performance biochemical sponge filter foam. Designed for both mechanical and biological filtration, it traps debris while cultivating beneficial nitrifying bacteria — the foundation of a healthy, balanced tank. Suitable for freshwater and saltwater setups, and can be trimmed to fit any filter system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual mechanical \u0026amp; biological filtration — removes particles and cultivates nitrifying bacteria\u003c\/li\u003e\n\u003cli\u003eMulti-porous open-cell structure — maximizes surface area for bacterial colonization\u003c\/li\u003e\n\u003cli\u003eHigher PPI = finer filtration; lower PPI = greater water flow — choose based on your tank's needs\u003c\/li\u003e\n\u003cli\u003eDense structure avoids residue buildup and prevents clogging\u003c\/li\u003e\n\u003cli\u003eCan be cut to any size — fits virtually any sump, canister, or hang-on-back filter\u003c\/li\u003e\n\u003cli\u003eReusable and long-lasting — rinse and reuse, replace every 3 months for best results\u003c\/li\u003e\n\u003cli\u003eExcellent water permeability and lightweight, soft design\u003c\/li\u003e\n\u003cli\u003eSafe for freshwater and saltwater aquariums\u003c\/li\u003e\n\u003cli\u003eVacuum-packed for shipping — lay flat for 1–2 days after opening to fully expand\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSump filters, canister filters, and hang-on-back filters\u003c\/li\u003e\n\u003cli\u003eFreshwater planted tanks and reef aquariums\u003c\/li\u003e\n\u003cli\u003ePonds and outdoor water features\u003c\/li\u003e\n\u003cli\u003eAquarists looking for a customizable, budget-friendly filter media\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Biochemical cotton (polyurethane foam)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPI options:\u003c\/strong\u003e 25PPI (medium filtration, greater water flow) | 50PPI (fine filtration, denser)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes available:\u003c\/strong\u003e 50×25×2cm | 50×50×5cm | 100×25×5cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmful chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacking List:\u003c\/strong\u003e 1× Biochemical sponge filter foam pad\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFoam is vacuum-compressed for shipping — lay flat for 1–2 days after receiving to fully restore shape. This does not affect filtration performance.\u003c\/li\u003e\n\u003cli\u003eAllow 0–2cm variance due to manual cutting.\u003c\/li\u003e\n\u003cli\u003eReplace every 3 months to maintain optimal filtration and bacterial growth.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NAUTILUS AND CO.","offers":[{"title":"25PPI \/ 50x25x2cm","offer_id":49015471014110,"sku":"FOAM-25PPI-50X25X2","price":9.99,"currency_code":"USD","in_stock":true},{"title":"50PPI \/ 100x25x5cm","offer_id":49015471046878,"sku":"FOAM-50PPI-100X25X5","price":27.99,"currency_code":"USD","in_stock":true},{"title":"50PPI \/ 50x50x5cm","offer_id":49015471079646,"sku":"FOAM-50PPI-50X50X5","price":27.99,"currency_code":"USD","in_stock":true},{"title":"50PPI \/ 50x25x2cm","offer_id":49015471112414,"sku":"FOAM-50PPI-50X25X2","price":11.99,"currency_code":"USD","in_stock":true},{"title":"25PPI \/ 100x25x5cm","offer_id":49015471145182,"sku":"FOAM-25PPI-100X25X5","price":24.99,"currency_code":"USD","in_stock":true},{"title":"25PPI \/ 50x50x5cm","offer_id":49015471177950,"sku":"FOAM-25PPI-50X50X5","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/1022\/5630\/files\/S08b224d2307c4b179fc98ddf86efa2a8H.webp?v=1789004962","url":"https:\/\/nautilusandco.com\/products\/biochemical-sponge-filter-foam-or-aquarium-sponge-filter-foam","provider":"NAUTILUS AND CO.","version":"1.0","type":"link"}