CerMedia MarinePure MP2C Bio-Filter Media for Koi and Goldfish Ponds, 1 Cubic Feet
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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 Koi and Goldfish ponds</li>
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