Fungicide Catalog

Copper Sulfate Crystals

Seed Barn


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. 

AK

Customer Reviews

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Based on 29 reviews Average Rating 4.83 stars out of 5
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  • d
    drew franklin D. F. drew f.
    14-03-2024

    septic

    The shipping time was excellent and product arrived in good condition. Will continue to order from you folks.

  • J
    JAMES PYLE J. P. JAMES P.
    12-03-2024

    Quick Delivey

    Quality product delivered quickly,

  • J
    Joseph Zachwieja J. Z. Joseph Z.
    13-02-2024

    The bag was cut.

    The bag was cut so I had to put it in another container.

  • V
    Vasile Stremciuc V. S. Vasile S.
    12-02-2024

    💯 excellent

    Copper Sulfate Crystals

  • J
    JOHN Buerger J. B. JOHN B.
    04-02-2024

    Quick delivery

    Looks good...

  • g
    gary williams G. W. gary w.
    02-02-2024

    👍

    👍

  • J
    Jeff Pike J. P. Jeff P.
    31-12-2023

    Copper Sulfate Chrystals

    Always excellent product and great shipping!

  • P
    Pamela Newman P. N. Pamela N.
    25-12-2023

    Needed 2 shipments

    Ordered 40 lbs. Of CuSO4. Only 20 lbs. arrived in first shipment. Called and second 20 lbs was shipped overnight. That's great service. Thanks.

  • T
    Tom Brown T. B. Tom B.
    24-12-2023

    Copper Sulfate

    Very speedy delivery and well protected packaging.

  • G
    Gary ODell G. O. Gary O.
    06-11-2023

    As described

    Needed the “rocksalt” size crystals for root control - these are perfect thanks!

  • C
    C R Brasington C. R. B. C R. B.
    10-10-2023

    Double packaging for waterproofing

    Splendidly done.

  • T
    Terry Gross T. G. Terry G.
    08-09-2023

    Coppersulfate

    Great job guys

  • C
    Charles Stearman C. S. Charles S.
    07-09-2023

    Great product, great communication

    Great product, great communication

  • C
    Carl Messana C. M. Carl M.
    24-07-2023

    Copper Sulfate - Algae Killer

    Had filamentous algae in my lake along the shorelines, so I hand spread the copper sulfate and within 2 days the algae started to disappear and by the 5th day it was totally gone. Lake water also cleared up as a result.

  • p
    patrick brenner P. B. patrick b.
    29-06-2023

    Copper sulfate

    Product was received in good order

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