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Q&A Home

Robert from St. Louis Mo writes,

What is the best way to apply Crystal Blue Copper Sulfate on algae?


Crystal Blue Copper Sulfate should be applied on a sunny day after mixed with water. You should spray one-half of the water area and wait 14 days before treating the remaining half. This will prevent the suffocation of the fish.

Answer last updated on: 07/10/2015

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