{"product_id":"aquarium-sponge-filter-xy-2822-2821-air-pump-fish-tank","title":"Aquarium Sponge Filter for XY-2822\/2821 Air Pump – Fish Tank","description":"\u003cp\u003eKeep your fish tank water crystal clear with this \u003cstrong\u003eAquarium Sponge Filter\u003c\/strong\u003e, designed for use with XY-2822 and XY-2821 air pumps. Measuring \u003cstrong\u003e12 × 6 cm\u003c\/strong\u003e, this compact sponge filter delivers a powerful dual-action performance — boosting water oxygen levels while simultaneously providing effective biological filtration. The result? A healthier, cleaner aquatic environment for your fish and aquatic life.\u003c\/p\u003e\n\n\u003cp\u003eMade from high-quality \u003cstrong\u003esponge material\u003c\/strong\u003e, this filter is gentle on beneficial bacteria, allowing a thriving biological colony to establish within the sponge media. This bio-filtration process naturally breaks down harmful waste, keeping your tank balanced and your fish happy.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Action Filtration:\u003c\/strong\u003e Combines oxygenation and biological filtration in one compact unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Pump Compatible:\u003c\/strong\u003e Designed specifically for use with XY-2822 and XY-2821 air pumps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Sponge Material:\u003c\/strong\u003e Durable, porous sponge supports beneficial bacterial colonies for natural bio-filtration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e 12 × 6 cm — fits neatly in most standard aquarium setups without taking up valuable space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Maintain:\u003c\/strong\u003e Simply rinse and reuse — no need for frequent replacements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Water Quality:\u003c\/strong\u003e Helps maintain oxygen-rich, clean water for healthier fish and aquatic life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e XY-2822 \/ XY-2821 Air Pumps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Sponge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12 × 6 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Freshwater aquariums, fish tanks, breeding tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose a Sponge Filter?\u003c\/h2\u003e\n\u003cp\u003eSponge filters are a favourite among aquarium hobbyists for good reason — they are gentle, effective, and safe for fry (baby fish) and small aquatic creatures. Unlike power filters with strong suction, sponge filters provide a steady, safe water flow that won't harm delicate tank inhabitants. Learn more about aquatic animal care and best practices from the \u003ca href=\"https:\/\/www.fws.gov\/fisheries\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Fish \u0026amp; Wildlife Service – Fisheries Program\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're setting up a new tank, upgrading your filtration, or keeping a spare on hand, this aquarium sponge filter is a reliable, cost-effective solution for maintaining a thriving aquatic environment.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which air pump models is this aquarium sponge filter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This sponge filter is specifically designed to work with XY-2822 and XY-2821 air pumps. Simply connect it to your air pump's airline tubing and place it in your fish tank for immediate filtration.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the sponge filter improve aquarium water quality?\u003c\/h4\u003e\n\u003cp\u003eA: When connected to an air pump, the sponge filter draws water through its porous sponge media. The sponge traps debris (mechanical filtration) while also hosting beneficial bacteria that break down harmful waste compounds (biological filtration), resulting in cleaner, oxygen-rich water for your fish.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I clean and maintain this aquarium sponge filter?\u003c\/h4\u003e\n\u003cp\u003eA: To maintain optimal performance, rinse the sponge in a bucket of aquarium water (not tap water) every 2–4 weeks. Using aquarium water preserves the beneficial bacteria living in the sponge. Avoid using soap or hot water, as these will kill the beneficial bacterial colonies.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What size fish tanks is this sponge filter suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: At 12 × 6 cm, this sponge filter is well-suited for small to medium-sized aquariums. It works great in breeding tanks, quarantine tanks, and general freshwater setups where gentle, effective filtration is needed.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which air pump models is this aquarium sponge filter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This sponge filter is specifically designed to work with XY-2822 and XY-2821 air pumps. 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