🐠 Aquarium Bio Balls: Enhance Fish Tank & Pond Filtration with OUFISH Ceramic Rings in Mesh Bag Review

Environmentally friendly --- 5 kinds of filter media combinations to make the filter effect play better. Not easy to damage, no need to replace frequently, economical and environmentally friendly. Multiple Function --- They will also promote gas exchange and increase dissolved oxygen levels. So as to form a good ecological cycle. They can provide an anaerobic environment and promote healthy water quality. Filter Impurities & Stabilize PH --- The ceramic rings can remove harmful metal elements in water to stabilize water quality. Stable PH and GH provide a good growth environment for fish.And natural ore has strong adsorption.They can adsorb harmful substances to filter water effectively and achieve purified water quality. Warm use tips---It is very important,before use it,must rinse with clean water first. Works for any tank---This aquarium biological filter is great for any freshwater or saltwater fish tank or mini-reef aquarium.Easy to wash and clean.