Ceramic Bio-Filter Media with Vast Surface Area & Open-Flow Porosity. For ammonia & nitrite removal in fresh & marine aquariums. One MarinePure Sphere has the same surface area as 1,350 plastic bio-balls. Use in wet/dry filters, sumps or canister filters.
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Ceramic Bio-filter Media with Vast Surface Area AND Open-Flow Porosity
Ammonia and Nitrite Removal
For SaltWater and FreshWater Aquariums