This copper-based Algaecide is made especially to control the growth of algae in all types of swimming pools. Its long lasting action will control existing algae and subsequent doses will control re-contamination by algae. Treated water can be used immediately - no waiting to swim! 32oz. Bottle
Ideal for preventing green, black and mustard algae.
Add 4 fl. oz. per 10,000 gallons of pool water for the initial dose.
Thereafter, add 2 fl. oz. per 10,000 gallons every other week.