Spa and Hot Tub Disinfectant
Adjust pH to between 7.2 and 7.6
When this product is used as a primary spa disinfectant, add 4 Teaspoons or 1/2 ounce of this product for every 500 gallons of water to establish a free chlorine residual between 1-3 ppm. Circulate spa water for five to ten minutes to allow for complete mixing android circulation prior to testing.
Test spa water for free chlorine. Once the chlorine residual is 1-3 ppm, the spa may be entered. Reentry is prohibited above levels of 3 ppm chlorine due to risk of bodily injury.
Spa water must be tested regularly to ensure that a free chlorine residual is maintained between 1-3 ppm at all times. Do not let chlorine residual drop below 1 ppm.
Shock Treatment - Superchlorination
For residential spas add once per week at a dose of 4 tablespoons or 2 ounces of this product for every 500 gallons of spa water. Heavily used spas may require shock treatment on a more frequent basis.
Reentry into the treated spa or hot tub can resume after the free chlorine concentration has dropped to 1-3 ppm. REENTRY INTO THE TREATED SPAS OR HOT TUBS IS PROHIBITED ABOVE THE LEVELS OF 3 PPM CHLORINE DUE TO RISK OF BODY INJURY.
