Treat pool water and jump back in immediately — no waiting to swim! One dose of this long-lasting, copper-based algaecide 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 formula — no wait!
  
• This one-hit wonder kills all algae types in a single treatment and provides lasting protection
  
• Easy-to-use, 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