SKU: 92310568924

HTH pH Up: Spa pH Increaser

Sale price$13.49 Regular price$14.99
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

HTH pH Up: Spa pH IncreaserBalance 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

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 use

HTH spa™ Care pH Up: Spa pH Increaser


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.


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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92310568924

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★★★★★ 5
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Reviewed in the United States on January 25, 2026
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Shopsfromhome
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Gave to a 9 year old grandson who has struggled with reading -- looked like a good choice. He seemed initially pleased.
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Reviewed in the United States on March 2, 2026
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Heather F
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Stacy Teal
Bozeman, US
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