{"product_id":"fish-tank-filter-material-aquarium-bacteria-ball-20mm-diameter-bio-balls-high-temperature-fired-natural-elements-minerals-trace-elements-ph-neutral-for-freshwater-and-seawater-tanks-500g-pack","title":"Fish Tank Filter Material Aquarium Bacteria Ball 20mm Diameter Bio-Balls High Temperature Fired Natural Elements Minerals Trace Elements pH Neutral for Freshwater and Seawater Tanks 500g Pack","description":"\u003ch1\u003eFish Tank Filter Material Bacteria Balls 20mm for Freshwater and Seawater Aquariums\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"500g pack of 20mm aquarium bacteria balls for fish tank filter media\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6858\/2025-10-24\/original-image\/51a5d072-edbb-4200-b1ab-0044601caab0.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eKeeping aquarium water clear and healthy is essential for the wellbeing of fish and plants. These bacteria balls are a straightforward filter medium designed to support biological filtration in both freshwater and marine tanks. Made from a ceramic material fired at high temperatures, they provide a porous surface that encourages the growth of beneficial bacteria. The 500g pack gives you enough media for typical hobbyist filters, with each ball measuring approximately 20mm in diameter. This natural approach helps restore water quality without relying on chemical additives.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"500g pack of 20mm aquarium bacteria balls for fish tank filter media\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6858\/2025-10-24\/original-image\/85f145f9-03e2-4591-bab0-3dd2a67c429e.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe bacteria balls are built to work reliably in most filtration setups. Their simple design focuses on providing a stable environment for bacterial colonies, which break down waste and help maintain a balanced aquarium.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eEach ball is made from a ceramic-like material that has been fired at high temperatures. This process creates a hard but porous structure that resists breaking down in water. The balls contain natural elements and essential minerals and trace elements that slowly release into the water, supporting both bacterial growth and overall water chemistry.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eWith a diameter of about 20mm, these balls are small enough to fit in most internal, external, or sump filter compartments. They work well in media bags or loose in a filter chamber. The uniform size ensures even water flow through the media, maximising contact time for bacterial colonisation.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"500g pack of 20mm aquarium bacteria balls for fish tank filter media\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6858\/2025-10-24\/original-image\/a2481535-1ecc-4f23-998e-80c7f135df90.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThese bacteria balls are suitable for a range of aquarium environments, from small tanks to larger systems. They are pH neutral, so they will not alter your water chemistry unexpectedly.\u003c\/p\u003e\n\u003ch3\u003eFreshwater and Seawater Tanks\u003c\/h3\u003e\n\u003cp\u003eThe pH neutral composition makes them safe for both freshwater and seawater tanks. They help restore natural water quality in new setups or after maintenance. Use them as part of a biological filter stage alongside mechanical media.\u003c\/p\u003e\n\u003ch3\u003eLong-Term Filter Cycling\u003c\/h3\u003e\n\u003cp\u003eDuring initial tank cycling or after a major water change, these balls provide a stable surface for bacteria to establish quickly. Over time, they become part of the ecosystem, reducing ammonia and nitrite levels without the need for frequent media replacement.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"500g pack of 20mm aquarium bacteria balls for fish tank filter media\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6858\/2025-10-24\/original-image\/a69879c0-627a-477e-b83a-d80d7a7a4c73.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThese bacteria balls offer a low-maintenance way to support aquarium filtration. Their long life and simple care requirements make them a cost-effective choice for regular hobbyists.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe balls do not need replacing often. After six months of use, you only need to replace half of the old balls with new ones. This partial change keeps the filter working steadily without shocking the biological system. Rinse them lightly during water changes to remove debris.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eIf you want a simple, natural filter medium that supports beneficial bacteria and does not introduce chemicals, these bacteria balls are a suitable option. They contain essential minerals and trace elements that may be lacking in some tap water supplies. The 500g pack provides enough media for many common filter sizes, making it a practical addition to your aquarium maintenance routine.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"500g pack of 20mm aquarium bacteria balls for fish tank filter media\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6858\/2025-10-24\/original-image\/d787efc9-5cb2-4394-9dc1-ad15ac813505.webp\"\u003e\u003c\/div\u003e","brand":"bygmmn-fb","offers":[{"title":"500G","offer_id":57398227075403,"sku":"CJYC154427701AZ","price":29.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/9700\/7435\/files\/d787efc9-5cb2-4394-9dc1-ad15ac813505.webp?v=1779359641","url":"https:\/\/doverelle.com\/products\/fish-tank-filter-material-aquarium-bacteria-ball-20mm-diameter-bio-balls-high-temperature-fired-natural-elements-minerals-trace-elements-ph-neutral-for-freshwater-and-seawater-tanks-500g-pack","provider":"Doverelle","version":"1.0","type":"link"}