Pond & Lake Supplies

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 41 reviews Average Rating 4.83 stars out of 5
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  • D
    Darrell Byrd D. B. Darrell B.


    Will definately order from here again. D.Byrd

  • C
    Clyde E Caron C. E. C. Clyde E. C.

    Copper Sulfate

    Fair price and decent shipping.. highly recommend!

  • k
    kurt wilson K. W. kurt w.

    Fast service

    My order shipped the next day and arrived 3 days early. I was impressed

  • K
    Kelly Smith K. S. Kelly S.

    Very timely delivery

    Ordering process was easy and my delivery was actually earlier than estimated.

  • T
    Tammy Cooper T. C. Tammy C.



  • M
    Micah Adams M. A. Micah A.

    Very good service!

    Fast shipping. Works great on the vegetation in the lake. Reordering now!

  • S
    Scott Daly S. D. Scott D.

    Smooth as it gets

    Received product quickly. All good. Thanks!

  • G
    George Wolff G. W. George W.

    Works well

    Happy with the product!

  • D
    Dink Strain D. S. Dink S.

    Good job

    The product came in exactly as ordered. Exactly when I was told it would be there. Good job

  • S
    Scott Sebastian S. S. Scott S.

    copper sulfate

    all good

  • R
    Robert Duffy R. D. Robert D.

    Tiny crystals

    Crystals are so tiny they’re impossible to spread by hand to any distance.

  • C
    Chuck Oborny C. O. Chuck O.

    fast service

    Received super fast. will order from here again

  • L
    Les Perry L. P. Les P.

    Great service

    Arrived undamaged, packed securely. Fast service. Thank you

  • S
    Scott Larson S. L. Scott L.

    Copper Sulfate

    Although I tried to order the large crystals I received the fine instead. The fine will work but I prefer the larger crystals. Are they not available?

  • K
    Khari Holmes K. H. Khari H.

    Feed grade ?

    I called to check on the feed grade status of the fine crystal copper sulfate. Thankful that the representative said all the copper sulfate is feed grade

  • G
    Greg Walbrun G. W. Greg W.

    Great customer service

    Seed world went out to f their way to help me with my order,

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