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Copper Sulfate Crystals-50 Pound Bag (Large Crystal)
Copper Sulfate Crystals-50 Pound Bag (Large Crystal)
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Detail99.9% Pure Bulk Hydroponic Approved USA Made 5+ MM Crystals Copper Sulfate Large Crystals in a 50 Pound Bag. The Crystals are the size of large gravel. EPA registration number: 73385-1 EPA establishment number: 073385-MEX-001
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