Copper Sulfate
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.
SYMPTOMS:
1. Microscoptic algea
2. Filamentous aglae
3. Chara algae — submerged and rooted
4. Unpleasant odor
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