Balance the pH levels in your spa water using our spa pH increaser for beautiful clarity, improved sanitizer efficiency and a more relaxing experience. Our pH increaser increases pH levels in spas and hot tubs for healthy and clear spa water Allows sanitizer to work more effectively prevents corrosion of spa surfaces and equipment Contains mineral crystals HTH spa™ pH Up is formulated to provide a more relaxing spa experience.Compatible with all spas HTH spa™ pH Up is great for all spas, including bromine, chlorine and biguanide.You’re all clear with HTH™ For best results, use HTH spa™ Test Strips twice a week to test, and use our spa pH increaser to balance and maintain total pH levels between 7.2 and 7.8 ppm.How to useHTH spa™ Care pH Up: Spa pH IncreaserTest Your Spa Water Use HTH spa™ Test Strips to test your spa water twice weekly. pH levels should be maintained between 7.2 and 7.8 ppm.Apply HTH spa™ pH Up If the pH level measures below 7.2 ppm, apply pH Up directly to the filter skimmer with the spa circulation system running. Refer to the on-pack chart for correct dosage.Re-check pH Levels After the spa circulation system has been running for 30 minutes, re-test pH and add more pH Up if necessary.
