06-10-2025
Great product, great price fast shipping..
Copper Sulfate Crystals
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$3.80
...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
Copper Sulfate Crystals
Glad it was less expensive then 2# containers.
I give A+++
Tennis professionals who care for Clay courts should rejoice! We currently use a liquid form of copper sulfate. I was having issues with it washing away before it had a chance to kill the algae ony courts. 10 lbs treated every square foot of my 4 courts. This is wonderful. The rain activated the copper sulfate crystals and they didn't wash away which allowed them to kill the algae. I'll be communicating this to all professionals who care for Clay courts!
Order arrived as promised.
👍
Excellent product and service, as always.
Happy with the product, price and delivery time.
Copper Sulfate Crystals
Be sure to check your order because only half of the products showed up that i purchased. They did ship the remaining product after i sent a email but i could have very easily been out the money had I I caught the mistake.
Thank you so much!
Reordered copper sulphate . Arrived timely and packed well. Good product and price.
Quality product at a reasonable price. Would buy again.
Great price and fast delivery
$8.95
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