{"product_id":"aquarium-quartz-bio-filter-balls-hollow-biological-media","title":"Aquarium Quartz Bio Filter Balls – Hollow Biological Media 200\/500g","description":"\n\u003ch2\u003eCrystal-Clear Water Starts with the Right Filter Media\u003c\/h2\u003e\n\u003cp\u003eGive your fish the healthy, clean environment they deserve. These \u003cstrong\u003eAquarium Quartz Hollow Bio Filter Balls\u003c\/strong\u003e are designed to support a thriving colony of beneficial bacteria, making your biological filtration more effective than ever. Whether you have a freshwater community tank or a marine reef setup, these hollow quartz bio balls work hard behind the scenes to break down harmful ammonia and nitrites — keeping your aquatic friends safe and your water sparkling clear.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in \u003cstrong\u003e200g and 500g\u003c\/strong\u003e options to suit tanks of all sizes. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Quartz Hollow Bio Filter Balls?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Surface Area:\u003c\/strong\u003e The hollow interior and porous quartz structure provide an enormous surface area for beneficial bacteria to colonize — far more than solid media.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Biological Filtration:\u003c\/strong\u003e Efficiently breaks down ammonia and nitrites through the nitrogen cycle, maintaining a stable, healthy aquatic environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical-Free \u0026amp; Fish-Safe:\u003c\/strong\u003e Made with no high-concern chemicals — completely safe for all fish, invertebrates, and aquatic plants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Fits canister filters, sump filters, hang-on-back filters, and most other aquarium filtration systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Durability:\u003c\/strong\u003e Quartz material resists deterioration, meaning you won't need to replace your media constantly — a cost-effective choice for any aquarium keeper.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Rinse \u0026amp; Reuse:\u003c\/strong\u003e Simply rinse in dechlorinated water to clean without destroying your beneficial bacteria colony.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in Two Sizes:\u003c\/strong\u003e Choose 200g for smaller tanks or 500g for larger aquariums or sump systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Biological Filtration Works\u003c\/h3\u003e\n\u003cp\u003eBiological filtration is the cornerstone of a healthy aquarium. Beneficial bacteria colonize porous media like these quartz bio balls and convert toxic ammonia (from fish waste and uneaten food) into nitrite, then into the far less harmful nitrate. This process — known as the nitrogen cycle — is essential for keeping fish alive and water quality stable. Learn more about the nitrogen cycle and aquarium water quality from the U.S. Environmental Protection Agency (EPA).\u003c\/p\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eRinse the bio balls in dechlorinated water before first use.\u003c\/li\u003e\n  \u003cli\u003ePlace them in a media bag, filter basket, or sump chamber.\u003c\/li\u003e\n  \u003cli\u003eAllow 4–6 weeks for beneficial bacteria to fully colonize the media (cycling period).\u003c\/li\u003e\n  \u003cli\u003eDuring maintenance, rinse gently in used tank water — never tap water — to preserve your bacteria colony.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuartz (hollow\/porous)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Quantities\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200g \/ 500g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBiological (Bio) Filter Media\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCanister, sump, hang-on-back, and most aquarium filters\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFreshwater \u0026amp; marine aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\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\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/glow-in-the-dark-garden-pebbles-luminous-rocks-fish-tank-walkway\"\u003e100Pcs Glow in the Dark Garden Pebbles – Luminous Fish Tank Rocks\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5l-portable-hydrogen-water-bottle-hydrogen-rich-sports-kettle-1\"\u003e1.5L Hydrogen Water Bottle – Portable Hydrogen-Rich Sports Kettle\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-inch-round-clear-plastic-cake-dome-cover-food-display-cloche\"\u003e10-Inch Round Clear Cake Dome Cover | Food Display Cloche\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How many quartz bio balls do I need for my aquarium?\u003c\/h4\u003e\n\u003cp\u003eA: As a general guideline, the 200g pack is suitable for smaller tanks (up to ~100 litres), while the 500g pack is better suited for medium to large aquariums or sump filter systems. The more bio media you use, the greater the biological filtration capacity of your tank.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use these quartz bio filter balls in both freshwater and saltwater tanks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These hollow quartz biological filter balls are fully compatible with both freshwater and marine (saltwater) aquarium setups. They are inert and will not alter your water chemistry.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How often should I clean or replace the aquarium bio filter balls?\u003c\/h4\u003e\n\u003cp\u003eA: Bio filter media rarely needs full replacement. Simply rinse the quartz balls gently in old tank water (never tap water) during your regular maintenance to remove debris without killing the beneficial bacteria colony. Replace only if the media becomes physically damaged or clogged beyond cleaning.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does it take for beneficial bacteria to colonize the quartz bio balls?\u003c\/h4\u003e\n\u003cp\u003eA: Typically, it takes 4 to 6 weeks for a full colony of beneficial bacteria to establish on new biological filter media during the aquarium cycling process. You can speed this up by adding a bacterial starter culture.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How many quartz bio balls do I need for my aquarium?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"As a general guideline, the 200g pack is suitable for smaller tanks (up to ~100 litres), while the 500g pack is better suited for medium to large aquariums or sump filter systems. 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