Treat pool water and jump back in immediately — no waiting to swim! One dose of this long-lasting, copper-based algae killer for pools will help kill the growth of green, black and mustard algae in all types of swimming pools. Subsequent doses will help control re-growth.

Get back to cannon balls immediately after using the algae killer for pools formula — no wait!
This one-hit wonder kills all algae types in a single treatment and provides lasting protection.
Easy-to-use algae killer for pools, so you can spend less time maintaining pool water and more time living your best pool life
Use 4 fl. oz. per 10,000 gallons of pool water with your initial dose
Continue adding 2 fl. oz. of algaecide every other week to prevent algae invaders from returning
Active ingredient: 7.41% Copper