Leisure Time Spa Up 2lb Item # LTSU Description: Granular product gently adjusts water pH and alkalinity upward. Best used in larger spas and in commercial spas. Features: Raises pH and total alkalinity Increases effectiveness of sanitizer How to use this product:1. Determine amount to use according to bottle label.2. Make sure equipment is OFF.3. Add applicable amount to the spa water.4. Turn on circulation system for 1-3 hours.5. Retest water after 3 hours.6. If pH is still below 7.2, repeat steps 1-5. Benefits of this product: Use as part of the Leisure Time Simple Spa Care™ program. About Leisure Time Spa Products: For more than 25 years, Leisure Time™ has been the premier name in spa water care. You can depend on the quality of these spa care products for the up keep and water maintenance of your spa.