Super Shock Granular Calcium Hypochlorite Size:1 lb. Excellent for cleaning pool filters

Excellent for cleaning pool filters

Knockdown delivers

it floats effortlessly and comes with a tether for secure placement

Reduces water evaporation by up to 40%

Super Shock Granular Calcium Hypochlorite Size:1 lb. Excellent for cleaning pool filtersPowerful, fast acting shock treatment for crystal clear pool water Super Shock is a highly concentrated calcium hypochlorite formula designed to quickly eliminate algae, bacteria, and other organic contaminants in your pool. With 68% active calcium hypochlorite (65% available chlorine), it effectively restores water clarity and ensures a safe swimming environment. Ideal for regular maintenance or addressing specific water issues, this shock treatment