HTH 52017 Shock Treatment Swimming Pool Chlorine Cleaner, 13.3 oz, Regular

BENEFITS: Increases the chlorine level in swimming pools to kill bacteria and algae USE: Test pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm COMPATIBILITY: Effective for all swimming pool types including pools with liners and Gunite pools, and saltwater pool systems FEATURES: Fast acting; Fast dissolving; 1 bag treats 10,000 gallons; Won’t fade liners INCLUDES: One 13.3-oz bag of shock treatment for your swimming pool