LeisureTime Spa Down 2.5 lbs P/N: 22338A Granular product adjusts water pH and alkalinity down. Provides a greater amount of control for large and commercial spas. Features: Lowers pH and total alkalinity Increases effectiveness of sanitizer Applications: As Needed: 1. Make sure all equipment is OFF. 2. Add 1/4 oz. (1-1/2 tsp.) to the spa water. 3. Turn on circulation system for 30 minutes. 4. Retest water. If pH is still above 7.8, repeat steps 1-3. 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. It is important to maintain the pH between 7.2-7.8. High pH (above 7.8) can cause scaling and/or cloudy or colored 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.