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Chris writes

Does Crystal Blue Copper Sulfate kill water willow?

Answer:

Crystal Blue Copper Sulfate is only labeled to treat algae and will not affect water willow.  We recommend applying Diquat Water Weed and Landscape Herbicide for the water willow.
 

Answer last updated on: 08/15/2018

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Crystal Blue Copper Sulfate

Crystal Blue Copper Sulfate

5 out of 5 stars

$36.79

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