{"product_id":"k1-bio-filter-media-biological-filtration-150g-fish-tank-aquarium-pond","title":"K1 Bio Filter Media 150g – Biological Filtration for Aquarium \u0026 Pond","description":"\n\u003ch2\u003eK1 Biological Filter Media – Crystal-Clear Water for Fish Tanks, Ponds \u0026amp; Aquariums\u003c\/h2\u003e\n\u003cp\u003eKeep your aquatic environment healthy and thriving with this premium \u003cstrong\u003eK1 Moving Bed Bio Filter Media\u003c\/strong\u003e. Each 150g bag is packed with high-performance bio balls engineered to support a thriving colony of beneficial bacteria — the natural engine behind clean, balanced water. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose K1 Bio Filter Media?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMassive Surface Area:\u003c\/strong\u003e Despite compact sizing (10×10×9mm each), each piece offers an exceptionally large surface area, accelerating beneficial bacterial biofilm formation for faster water conditioning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Self-Suspending:\u003c\/strong\u003e Improved lightweight material allows the media to tumble and suspend freely in moving-bed filter setups, maximizing water contact and biological efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Oxygen Transfer:\u003c\/strong\u003e High oxygen solubility and outstanding oxygen transmission keep beneficial bacteria thriving — all with impressively low operating noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Bacterial Adhesion:\u003c\/strong\u003e Purpose-designed surface texture boosts bacterial attachment, building a robust biological filter bed faster than conventional bio balls.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHollow Internal Structure:\u003c\/strong\u003e The open internal cavity resists clogging and promotes natural sloughing of aged bacterial membrane, keeping the media active and self-maintaining over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Compatible with fish tanks, aquariums, garden ponds, and any filtration system using a moving-bed or static biological filter chamber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Bag (150g) of K1 Bio Filter Media\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiece Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 × 10 × 9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite \/ Red\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFish tanks, aquariums, garden ponds, biological filter chambers\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow a 2–3% size variance due to manual measurement. Actual product color may differ slightly from images depending on your screen settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eComplete Your Aquarium Setup\u003c\/h3\u003e\n\u003cp\u003ePair your filtration system with other great accessories from our store:\u003c\/p\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\"\u003eAnti-Overflow Pet Water \u0026amp; Food Feeder Dish\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pcs-multifunctional-divided-tea-bag-organizer-paper-plate-dispenser-wood-station-design-coffee-pod-holder\"\u003eMultifunctional Organizer – Great for Hobby \u0026amp; Home Stations\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 is K1 biological filter media and how does it work in a fish tank or pond?\u003c\/h4\u003e\n\u003cp\u003eA: K1 bio filter media are small, hollow plastic pieces designed to host colonies of beneficial bacteria on their large surface area. When used in a moving-bed or static filter chamber in a fish tank, aquarium, or pond, water flows over and through the media, allowing bacteria to break down harmful ammonia and nitrites into safer compounds — naturally maintaining a healthy aquatic environment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How much K1 filter media do I need for my aquarium or pond?\u003c\/h4\u003e\n\u003cp\u003eA: Each bag contains 150g of K1 bio balls. The amount needed depends on the size of your tank or pond and your fish load. As a general guide, K1 media is most effective when filling 50–66% of your filter chamber, leaving room for the media to tumble freely and maximize bacterial contact with the water.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need special equipment to use K1 moving bed filter media?\u003c\/h4\u003e\n\u003cp\u003eA: K1 media works best in a moving-bed biological filter (MBBR) chamber with aeration — an air pump or water pump keeps the media in constant motion for optimal performance. It can also be used in static trickle filter setups in aquariums and ponds, making it a highly versatile biological filtration solution.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I maintain or clean K1 biological filter media?\u003c\/h4\u003e\n\u003cp\u003eA: One of the key advantages of K1 bio filter media is its self-maintaining hollow design — aged bacterial membrane naturally detaches, keeping the surface active. Avoid rinsing in tap water (which contains chlorine harmful to bacteria). If cleaning is necessary, gently rinse in dechlorinated or tank water to preserve your beneficial bacterial colony.\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 is K1 biological filter media and how does it work in a fish tank or pond?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"K1 bio filter media are small, hollow plastic pieces designed to host colonies of beneficial bacteria on their large surface area. 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