HTH spa™ Care pH Up

Skip to product information
Balance the pH levels in your spa water for beautiful clarity, improved sanitizer efficiency and a more relaxing experience.

  • Increases pH levels in spas and hot tubs
  • Allows sanitizer to work more effectively
  • Prevents corrosion of spa surfaces and equipment
Find a Store

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, balance and maintain total pH levels between 7.2 and 7.8 ppm.

How to use

HTH spa™ Care pH Up

1. Test 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.

Use HTH spa™ Test Strips to test your spa water twice weekly. pH levels should be maintained between 7.2 and 7.8 ppm.

2. 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.

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.

3. 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.

After the spa circulation system has been running for 30 minutes, re-test pH and add more pH Up if necessary.