HTH spa™ Care pH Down

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

  • Decreases the pH levels in spas and hot tubs
  • Allows sanitizer to work more effectively
  • Prevents corrosion of spa surfaces and equipment
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Contains mineral crystals

HTH spa™ pH Down is formulated to provide a more relaxing spa experience.

Compatible with all spas

HTH spa™ pH Down 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 Down

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 Down

If the pH level measures above 7.8 ppm, apply pH Down 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 above 7.8 ppm, apply pH Down 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 Down if necessary.

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