Caribbean Blue
Knock Out

Lingering algae problems? Cover fall in during the off-season? Our product will take care of the worst algae issues.

Searched For: 49544


  • A unique algaecide blend for algae killing power in water
  • Heavily chelated to prevent staining on surfaces
  • Works in chlorine or bromine sanitized pools
  • Performance increases as the pool temperature increases


  • Will not affect water balance of pool water
  • Continuously destroys algae for days after application


  • Adjust pH 7.2 - 7.6. Alkalinity 80-120 ppm
  • Superchlorinating the pool water before adding this product may be necessary if algae is stubborn or resistant
  • For treatment of visible algae, Add 4 ounces per 10,000 gallons of pool water; 10 ounces may be used for stubborn or resistant algae
  • Brush pool. Run pump and filter continuously until water conditions improve.

Available Sizes

  • 1 qt. bottle (12 per case)

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