DryTec 1-1901-24 24-Pack Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools, 1-Pound
Dry Tec Calcium Hypochlorite Chlorinating Shock dissolves faster! An extra-powerful start-up and maintenance shock that helps to improve the appearance of your pool by removing and preventing algae growth. When used as directed, Dry Tec Calcium Hypochlorite Chlorinating Shock removes organic waste and raises chlorine levels, producing sparkling, clean swimming pool water. Kills bacteria, controls algae, destroys organic contaminants and restores crystal clarity. This is the ideal product for a super-fast acting chlorine boost to give your pool shocking clarity. 68% Calcium Hypochlorite.