Copper Sulfate Crystal 5# jug

Treatment for killing floating, submerged, and planktonic algae in ponds/lakes. Use 2.5 to 4 lbs granules per acre mixed with 10-15 gallons of water. Dissolve completely and spray over the top of algae mats. DO NOT treat more than 1/4 to1/3 of the surface area of pond at one time to avoid Oxygen depletion due to vegetation death. Wait 7-10 days between treatments. Re-treatment during season will be needed.Treat algae in early stages. 100% safe for water use immediately.