Pond & Lake Supplies

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

Thank you for submitting your review

Based on 39 reviews Average Rating 4.85 stars out of 5
Filter 34 Reviews with 5 star rating
Filter 4 Reviews with 4 star rating
Filter 1 Review with 3 star rating
Filter 0 Review with 2 star rating
Filter 0 Review with 1 star rating
  • K
    KEN STINE K. S. KEN S.
    14-07-2024

    Came as advertised shipping time was excellent

    Copper Sulfate Crystals

  • J
    John Burrows J. B. John B.
    08-07-2024

    Excellent Company!

    Seed World is an excellent company to purchase seed and other materials from!! Very easy and efficient ordering process, with delivery as expected - on time!!

  • J
    Jim viviano J. V. Jim v.
    03-07-2024

    Great Experience

    Product delivered, no surprises.

  • K
    Karen Mann K. M. Karen M.
    09-06-2024

    Copper sulfate

    Product worked well

  • G
    Gale Fillinger G. F. Gale F.
    09-06-2024

    Root Killer for drain field

    The company that installed and maintains my septic system and drain field insists that this is the best product to maintain root growth in the drain field.

  • G
    Gary Adams G. A. Gary A.
    26-05-2024

    Copper sulfate 10 pounds

    Happy so far

  • G
    GREG SNIEZEK G. S. GREG S.
    15-05-2024

    So fast

    Shocked how fast I recieved it!

  • C
    Caedup Pereira C. P. Caedup P.
    12-05-2024

    👍👏👏👏

    The best price and product !

  • R
    Richard Hall R. H. Richard H.
    03-05-2024

    copper sulfate crystals

    Great product and fast shipping. No problems, thanks

  • M
    Michael Justis M. J. Michael J.
    14-04-2024

    Copper Sulfate Crystals

    Shipped on time and received as expected. What more could I ask for

  • 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...

Ask your Question about this product




Related Items