Pond20 Copper Sulfate

Treatment for killing floating, submerged and planktonic algae in ponds/lakes


Copper Sulfate – Dry copper sulfate granules for pond algae control.

Blue stone crystals.




DO NOT treat more than 1/4 – 1/3 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 when algae is in early stages.

100% safe water use immediately.


Do not use in Koi or Trout ponds – Toxicity is directly related to water softness.