LeisureTime Spa Up 2 lbs P/N: 22339A 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 Applications: As Needed: 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. Tips: For best results, dissolve granular products first by adding to a small, plastic pail filled with water. Then, apply the solution to the spa water. Compatible With: Chlorine, bromine and biguanide sanitizers. Due to the nature of this product it can not be shipped. In-store pick-up ONLY. For more information, please visit this products webpage.