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John from Clayton, Nc writes

Can I use Crystal Blue Copper Sulfate to control cattails in retention pond?

How much to use in a 2 gallon pump sprayer?

Answer:

Crystal Blue Copper Sulfate is for algae only and would not affect cattails.  Diquat Water Weed and Landscape Herbicide would be a better option as it is an aquatic herbicide labeled for cattails

Answer last updated on: 05/09/2019

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Crystal Blue Copper Sulfate

Crystal Blue Copper Sulfate

5 out of 5 stars

$36.79

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