Aquatop Marine Nitro Bio Rings

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Aquatop’s new Marine Nitro Bio Rings are a ceramic biological filter media designed to maximize the surface area for beneficial bacteria to grow.

Like most biological materials made from ceramic, they help give plenty of surface area for benficial bacteria that help keep ammonia and nitrites low.

Unlike other smoother ceramics, these have a bit of a “puffy” looking tube that suggest more surface area. The Aquatop Marine Nitro Bio Rings retail for $10.99 for a 300g package.

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