Severest Algae Treatment

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


  • Unique copper blend
  • Heavily chelated to prevent staining on surfaces
  • Works in chlorine or bromine sanitized pools
  • Performance increases as the temperature increases and the more the sun shines directly on the water


  • Higher copper content than other competitive brands
  • Will not effect water balance of pool water
  • Continuously destroys algae for days after application


  • Adjust pH between 7.2 – 7.6.
  • Superchlorinating the pool water before the addition of Severest Algae Treatment may be neccesary if algae is stubborn or resistant
  • For treatment of visible algae, Add 4 ounces per 10,000 gallons of pool water;12 ounces may be used for stubborn or resistant algae
  • Run pump and filter continuously for 24 hours
  • Avoid superchlorinating or raising pH for 72 hours after application

Available Sizes

  • 1 qt. bottle (12 per case)