HTH™ Spa pH Increaser

Skip to product information

HTH® Spa pH Increaser helps balance pH levels in your spa water, improving both water quality and comfort. Spa pH Increaser  not only ensures that your sanitizer is working more efficiently, but it helps prevent corrosion of spa surfaces as well as significantly reduces skin and eye irritation. HTH® Spa pH Increaser is great for all spa types including bromine, chlorine and biguanide 

  • 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 and Prevents corrosion of spa surfaces and equipment. 

  • Contains mineral crystals. 

  • HTH® Spa pH Increaser is formulated to provide a more relaxing spa experience. 

Find a Store

How to use

HTH™ Spa pH Increaser

1. Test Your Spa Water with HTH® Spa Test Strips

Use HTH® Spa Test Strips to test your spa water.

Use HTH® Spa Test Strips to test your spa water.

2. Lower pH Levels Using HTH® Spa pH Down

If pH measures below 7.2 ppm, add HTH® Spa pH Increaser directly to the filter skimmer with the spa circulation system running. Refer to the on-pack chart for the correct dosage.

If pH measures below 7.2 ppm, add HTH® Spa pH Increaser directly to the filter skimmer with the spa circulation system running. Refer to the on-pack chart for the correct dosage.

3. Re-Test and Fine-Tune pH Levels

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

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

4. Test Twice a Week for Balanced pH

Test and balance your spa water twice a week to maintain pH levels between 7.2 and 7.8 ppm.

Test and balance your spa water twice a week to maintain pH levels between 7.2 and 7.8 ppm.