Power 73

73% Cal Hypo. 100% Awesome


  • pH 11
  • Un-stabilized chlorine granules
  • 73% Calcium Hypochlorite


  • Does not increase cyanuric acid levels
  • Compatible with all sanitizing systems except biguinide
  • No pre-dissolving required*


  • Clean filter as needed and adjust water balance
  • Apply product when pool is not in use and with the pump running. Ideal application is after dusk
  • Broadcast product over the entire deep end of the water. Brush or vacuum any un-dissolved material off surfaces*.
  • For normal use, add 1 pound per 15,000 gallons of water with the pump running
  • Use weekly or after heavy swimmer use, heavy rain or wind
  • Reentry to pool is permitted once chlorine levels are below 4 ppm
  • *Cold water and other conditions may affect solubility of chlorine. Insure that any material that may have settled to pool bottom, especially on bleachable surfaces, are swept into solution or vacuumed.

Available Sizes

  • 1 lb. bag (12 per case)
  • 25 lb. pail