Pond & Lake Supplies

SeedRanch Copper Sulfate Pentahydrate 99.9% Crystals - 10 Lbs.

Seed Ranch


Copper Sulfate Crystals

  • A versatile farm chemical:
  • Pest control - snails and slugs
  • Pond cleaner - algae, mosquito larvae
  • Natural fungicide mildew
  • Antiseptic - household germs
  • Organic Bordeaux mix - blight, apple scab, leaf curl, etc.);
  • Remove old tree stumps (bore a hole and insert
  • Kill roots clogging septic tank pipes - flush down the toilet.
  • Wood and canvas preservative (prevents dry rot),

...or simply grow lovely blue crystals.

 Usage: For pipeline systems (toilets, etc.) - 1 cup down drains every 2 weeks or 2 cups per month. 

EPA Reg: 829-210

Customer Reviews

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Based on 2 reviews 5.0/
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  • G
    Gary Benson G. B. Gary B. us
    20-10-2022

    Arival Ontime ?

    Great service, expedited shipping, 5 ***** Great Job Seed World.... :0]

  • K
    Kathryn A Bradd K. A. B. Kathryn A. B. nl
    20-09-2022

    Reliable company

    The order was processed and shipped very efficiently. The product was super well packaged to avoid damage.

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