Sanco Crystal Blue Copper Sulfate Algaecide, 15 lb
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<b>[Product Information]</b><br>
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<li>Controls most species of algae</li>
<li>Very low concentrations of copper sulfate</li>
<li>Screw top and container handle for safe storage</li>
<li>Granular Copper Sulfate, 15 Lbs</li>
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