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HTH Spa 86133 pH Up, Spa & Hot Tub Chemical Raises pH, Prevents Corrosion, 2 lbs

  • Based on 929 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Aug 12
Order within 19 hours and 21 minutes
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Size: 2 lbs


Style: Pool Spa Water Treatment


Features

  • BENEFIT: Increases and balances the pH levels in your spa or hot tub water for beautiful clarity, improved sanitizer efficiency and a more relaxing experience
  • IMPROVES PERFORMANCE: 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, balance and maintain total pH levels between 7.2 and 7.8 ppm

Description

The HTH Spa pH Up is an essential solution for increasing and balancing the pH levels in your spa or hot tub water. This helps to improve the efficiency of your sanitizer, prevent corrosion of spa surfaces and equipment, and provide a more relaxing spa experience. HTH Spa pH Up contains mineral crystals and is compatible with all spas, including those that use bromine, chlorine, and biguanide. 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. With HTH, you're all clear and ready to enjoy a beautiful and relaxing soak in your spa or hot tub.

Brand: hth Spa


Item Weight: 2 pounds


Item Form: Powder


Product Benefits: Prevents Corrosion


UPC:


Brand Name: hth Spa


UPC: 073187861337


Global Trade Identification Number: 37


Number of Items: 1


Unit Count: 32 Ounce


Included Components: HTH Spa 86133 pH Up, Spa & Hot Tub Chemical Raises pH, Prevents Corrosion, 2 lbs


Item Type Name: Spa & Hot Tub Chemical Raises pH, Prevents Corrosion


Manufacturer: Innovative Water Care


Model Number: 86133


Manufacturer Part Number: 86133


Manufacturer Warranty Description: Warranty


Item Form: Powder


Product Benefits: Prevents Corrosion


Item Weight: 2 pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Aug 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Good product
This stuff works and is a good price
Reviewed in the United States on May 5, 2026 by DB

  • Works Exactly as It Should
The HTH Spa 86133 pH Up does exactly what it’s meant to do. It’s easy to use, the directions are clear, and it reliably gets the job done when it comes to adjusting and maintaining your spa’s pH levels. Simple, effective, and a good staple to keep on hand for spa care.
Reviewed in the United States on February 16, 2026 by isabelle

  • Great product
Works great in our hot tub
Reviewed in the United States on June 25, 2026 by Omar Chapa

  • Great product
Does what it’s supposed to do as advertised love that Amazon carries this at a fair price. Makes it easy for me to purchase spa chemicals straight to my home.
Reviewed in the United States on July 18, 2026 by Chels

  • Good product if used correctly!
I use this product in my small spa for past 2 years. Seems to work well.
Reviewed in the United States on February 28, 2026 by Joyce Fetro

  • Easy-to-use
Works great
Reviewed in the United States on May 22, 2026 by don

  • Excellent price for excellent product
Excellent price for excellent product
Reviewed in the United States on July 7, 2026 by Suzanne

  • HTH PH was a winner
Good price and helps balance my Spa pH. Packaged well , scent is not overwhelming. I was able to purchase at home saving time and gas. Would purchase again
Reviewed in the United States on April 12, 2026 by shawn

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