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Return to Copper Sulfate Large Crystals - 10 Lbs.
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  0 of 0 people found the following review helpful:
 
5 of 5 Algae Remover September 20, 2022
Reviewer: Kenneth Davidson from Taylorsville, KY United States  
I use this every year 1 or 2 times in the summer to clean algae, works great.

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  0 of 0 people found the following review helpful:
 
5 of 5 May 20, 2020
Reviewer: william lloyd from baton rouge, LA United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 Copper Sulfate Large Crystals - 10 Lbs. April 2, 2020
Reviewer: Dennis Gallaher from Eden Prairie, MN United States  
Copper Sulfate Large Crystals - 10 Lbs.Good product, price and service.

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  0 of 0 people found the following review helpful:
 
5 of 5 Cooper sulfate large crystals January 29, 2020
Reviewer: david l from memphis , TN United States  
Order arrived early and was exactly what I ordered.

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  0 of 0 people found the following review helpful:
 
5 of 5 Kills the roots...Not the Trees September 30, 2019
Reviewer: Sadie Anne from Hydesville, CA United States  
These crystals are the answer to redwood roots that want to invade our leach lines and septic tank, yet they do not kill the beautiful redwood trees
The Large crystals are long lasting.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great business to deal with September 25, 2018
Reviewer: Morris Starkey from Bunker Hill, IN United States  
Great price and customer service. I screwed up but they took care of it and shipped my item quickly.  Thank you!

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  0 of 0 people found the following review helpful:
 
5 of 5 Copper Sulfate April 20, 2018
Reviewer: Michael Scott from Tucson, AZ United States  
On my second order I picked the larger crystals so they would last longer. In about 6 months to a year I will hopefully find that they killed the roots around the septic tank. My order arrived quickly enough that I do not need to go to the store locally.

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