Bio-media – Medium size (Pack of 10) provides a place for all the good nitrifying bacteria you need in your tank to live. Each bio ball is designed to have as much surface area as possible so the bacteria can cling to. Keeps the pH balance neutral for a long time and absorbs and dissolves poisonous ions.

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SKU: sfxc229 - media - balls medium size/pc - pack of 10 Category: Tags: , , , , , , , ,
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