For nearly 30 years, Leisure Time has been the premier name in spa water care. Leisure Time spa offers its Leisure Time Simple Spa Care program, an easy-to-follow spa care routine that allows spa owners to spend more time in their spas and less time maintaining them.Leisure Time Spa Up (22339A - 2 lbs.)Leisure Time Spa Up is used to raise the pH of spa and hot tub water. Raises the pH of spa water. It is important to maintain the pH between 7.2 - 7.8. A low pH reading (below 7.2) can cause equipment corrosion or scale formationRaises pH and total alkalinity.Increases the effectiveness of your sanitizer.This product is compatible with all sanitizers including bromine, chlorine and biguanide.How to useLeisure Time Spa Up should be used when the pH is below 7.2. pH Amount of pH Up to use per 500 gallons.6.8-7.2 1 ounces (2 tablespoons).<6.8 2 ounces (4 tablespoons).1. Determine amount of Leisure Time Spa Up to use.2. Make sure equipment is turned off.3. Add the appropriate amount of Leisure Time Spa Up to the spa water.4. Turn on the circulation system for 1-3 hours.5. Retest the water after 3 hours.6. If the pH is still below 7.2, repeat steps 1-5." Always read product labels and use as directed.?