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Leslie's Power Powder Pro 73 is our strongest chlorine pool shock with 73% Calcium Hypochlorite killing bacteria, algae, and contaminants for clear, sanitized pool water.
Kills bacteria, controls algae, and destroys organic contaminants
Concentrated chlorinating granular Cal-Hypo pool shock
Fast dissolving
Low Residue
73% Calcium Hypochlorite
70% Minimum Available Chlorine
Fast acting solution for swimming pool problems
Great for super chlorination and routine maintenance use
Non-Stabilized - No Cyanuric Acid (CyA)
9-18 oz. per 10,000 gallons provides 5-10 ppm available chlorine