Leslie's Power Powder Pro Granular Pool Shock - Fast Dissolving Sanitizer for Crystal Clear Water - Defends Against Bacteria, Algae, and Microorganisms - 73% Calcium Hypochlorite - 50 Pound

Leslie's Power Powder Pro is our strongest chlorine pool shock, featuring 73% Calcium Hypochlorite and 70% available chlorine to kill bacteria, control algae, and eliminate contaminants for clear, sanitized water. This concentrated, fast-dissolving, low-residue Cal-Hypo shock is ideal for super chlorination and routine maintenance. Non-stabilized with no Cyanuric Acid (CyA), it won't raise CyA levels and is best used in the evening to reduce UV degradation. Dosage: 9-18 oz. per 10,000 gallons provides 5-10 ppm available chlorine. Perfect for treating algae blooms and maintaining safe swimming conditions. Product packaging may vary, with no change to product composition or weight.

• Contains 73% Calcium Hypochlorite and 70% available chlorine, the strongest pool shock available.
• Kills bacteria, controls algae, and destroys organic/inorganic contaminants.
• Fast-dissolving, low-residue, suitable for treating problems and routine maintenance.
• Non-stabilized, no Cyanuric Acid (CyA), ensures clear, sanitized pool water.
• Ideal for super chlorination, dosage: 9-18 oz. per 10,000 gallons for 5-10 ppm chlorine.