$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
Made a 20% solution for the roof. Sprayed with garden sprayer. Working very well. Some moss turned black in just a few hours. Easy to make solution from the crystals.
Quick accurate well packaged delivery. Won’t hesitate to use Seed World again.
Ordered product from Seed World and received it on time with no problems. Definitely would order from them again.
Just what the doctor ordered
I bought 50 lbs this time, arrived UPS in a timely manner and will be using this for root growth control, I’ve used it in the past and mixed it with root x foaming root killer. Seems to work well.
On time and packaged well. Thank you
Got what I wanted and the service and delivery were very god. thank you!
I received my shipment earlier than originally stated and arrived intact. Good price.
Check,back in a few weeks.
Fast delivery, good product, good price. Completely satisfied.
Have purchased previous and works fine. I’m using to keep roots out of Septic
Crystal size larger than expected - great for my use.
This is working great in our pond! Very happy with this product. Thank you, we will order again.
The copper sulfate I purchased was a good price and the shipment was fast. Great company to buy from.
$79.95
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