$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
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.
Copper Sulfate Crystals
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!!
Product delivered, no surprises.
Product worked well
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.
$8.95
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