ProTeam Severest Algae Treatment


  • 1 Quart Bottle
  • Unique copper blend
  • Heavy 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
  • Super-chlorinating the pool water before the addition of Severest Algae Treatment may be necessary 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 super-chlorinating or raising pH for 72 hours after application
Weight 2 lbs