Fungicide Catalog

Copper Sulfate Fine Crystals - 50 Lbs.

Old Bridge Chemicals, Inc.

Copper Sulfate Crystals Fine Grade

  • 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.


Customer Reviews

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Based on 25 reviews Average Rating 4.84 stars out of 5
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  • T
    Tommy Scott T. S. Tommy S.


    Great price and service

  • G
    Greg Thomas G. T. Greg T.

    Copper sulfate

    Delivered timely and in tact

  • M
    Melinda Hubbard M. H. Melinda H.

    Delivery was OK

    The box was damaged but the product was not

  • D
    Duane Wilcox D. W. Duane W.

    Copper sulfate arrived as promised, very pleased

    Copper Sulfate Fine Crystals - 50 Lbs.

  • D
    Duane Huston D. H. Duane H.

    Product review

    Good service , small tear in bag was able to recover product. Satisfied and will be ordering it again. Thank you.

  • C
    Charles Burnell C. B. Charles B.

    Great price and Rapid Delivery!!!

    I’ve never used this company before, but have been overly impressed with the ease of ordering, rapid delivery, and quality of the product as well as their pricing. Highly recommend!

  • D
    Dmitri Khorokhorin D. K. Dmitri K.

    Copper Sulfate Fine Crystals - 50 Lbs

    Great product for right price. Fast delivery.

  • M
    Mark Prymula M. P. Mark P.


    As descibed

  • D
    Deborah Howell D. H. Deborah H.


    Arrived in great condition.

  • J
    John Bevans J. B. John B.

    Great Company

    Friendly and fast service with competitive prices. Had a glitch with the online order. One phone call and it was a quick fix, product showed up 2 days later. 10 gold stars!

  • R
    Ron Gavranovic R. G. Ron G.

    Seed World

    Smooth transaction. Quick shipping. A++++

  • D
    Dave Edester D. E. Dave E.

    Excellent shipping and delivery

    Very fast product delivery. I was not fully aware that the fine was no more that dust. All good. It should mix well ...

  • P
    Peter Jagodzinski P. J. Peter J.

    Copper sulfate fine crystals

    Ordered and received in a timely manner. Fair price, excellent product, service and delivery. Will order from SeedWorld in the future.

  • S
    Shane Penn S. P. Shane P.

    Delivered well,

    Always great quality product. Bag leeks at corners a tiny bit, pretty consistent with other bags I've ordered

  • B
    Brittny Whitt B. W. Brittny W.

    Great price and fast shipping!

    Thank you!!!

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