Swimming pool shock treatments are an essential aspect of pool opening but can also be used to give your pool a quick chlorine boost. The Malibu Shock Hard II is a versatile pool shock treatment, used to kill algae and bacteria and remove micro-contaminants that make pool water cloudy.

• 1 lb. bag
• Fast-acting
• Helps raise pH
• Provides calcium hardness
• Treats fouled, dirty and discolored water
• For weekly treatment of algae and bacteria
• 1 lb. per 9,000 gallons
• No cyanuric added

This product is considered a “hazardous material,” is air-restricted and cannot be shipped to Alaska or Hawaii.

All Chemical sales are final.