Kills algae on contact with results visible in minutes. For use in ponds and water features containing live fish and plants. Effective, eco-friendly chemistry - no copper residue. Controls string algae in ponds, streams and waterfalls. An EPA registered algaecide.
Directions for Use: Use 1/2 pound (1 cup) per 1000 gallons of water for existing problems. Use 1/4 pound (1/2 cup) per 1000 gallons of water as a maintenance dosage. Best to apply early in the morning on a clear sunny day. Turn off circulation. Apply to affected areas, including waterfall and streams. Turn circulation back on after 10-20 minutes. Skimming/netting dead algae helps prevent further algae. Always read and follow label directions.
Part Number: GC2