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Note: Pristine Power is intended only for shock treatment of pool water
Wait one hour and retest for total alkalinity
Use 1 teaspoon per 200 gallons of water to prevent foaming in spas and hot tubs
Pre-dissolve for application to colored plaster pools
Poolife Back to Blue Shock System (4.6 lb) Swimming Pool Sanitizer Tablets Note: Pristine Power is intendedBack To Blue is an amazing 2 part system designed to turn your green pool back to blue. Back to Blue works in as little as 24 hours to stop your algae bloom and get your pool water back to crystal clear. For best performance, swimmer comfort, and crystal clear water: Maintain pH in the range of 7. 2 to 7. 6. Maintain total alkalinity in the range of 60 to 120 ppm. Maintain calcium hardness above 200 ppm. Use a Poolife test kit that measures all these