Crystal Blue Copper Sulfate Algaecide - Aquatic Grade Granular Pond Algae Control - 5 lbs
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<b>[Product Information]</b><br>
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<li>99% Copper Sulfate Pentahydrate</li>
<li>Controls most species of algae like filamentous, string algae and swimmers itch</li>
<li>Most effective when cast out on top of thick floating algae mats</li>
<li>Granular Copper Sulfate, 5 Lbs</li>
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