This non-foaming algaecide is used to control the growth of algae in swimming pools, exterior spas, whirlpools and hot tubs. Treats green, black and yellow algae.

Useful Tips:

Safe and effective for all types of pools.
Add 18 fl. oz per 10,000 gallons of pool water for the initial dose.
Subsequent additions of 6 fl. oz. per 10,000 gallons should be made every 5-7 days.