5 Lbs. Copper Sulfate Pentahydrate 99.9% Crystals Fine Grade

5 Lbs. Copper Sulfate Pentahydrate 99.9% Crystals Fine Grade

Brand: Seed Ranch
SKU: SR-CSP-5
19.95 USD In stock Buy at Merchant

Fine grade copper sulfate crystal pentahydrate powder, 99+% pure, used for pest control, pond cleaning, fungicide, antiseptic, and wood/canvas preservation.

  • The description claims it can remove old tree stumps and kill roots clogging septic tank pipes.
  • The description claims it can be used to grow blue crystals.
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  • Default Title — 19.95 USD — In stock

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