CerMedia MarinePure 1.5-Inch Sphere Bio-Filter Media for Marine and Freshwater Aquariums, 5-Gallon
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<b>[Product Information]</b><br>
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<li>Ceramic Bio-filter Media with Vast Surface Area AND Open-Flow Porosity</li>
<li>Ammonia and Nitrite Removal</li>
<li>Nitrate Reduction</li>
<li>Inert Ceramic</li>
<li>For SaltWater and FreshWater Aquariums</li>
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