hth® pH increaser, 5 lbs.

hth® pH increaser raises the pH of swimming pool water.


About This Item

hth® pH increaser raises the pH of swimming pool water. The ideal pH range is 7.2-7.8. Maintaining pH in the proper range will allow your sanitizer to work more effectively, reduce equipment corrosion and reduce skin dryness.

  • Raises pH levels
  • Prevents corrosion of metal & plaster surfaces
  • Prevents eye & skin irritation
  • Compatible with salt systems
  • Apply direct to pool


Balance With HTH pH Increaser

Raises pH and Alkalinity of Water

If your pool’s pH level is too low (lower than 7.2), try HTH® pH Increaser to raise the pH levels and total alkalinity of the water. 

lady relaxing in pool

Allows Sanitizers to Work More Effectively

Did you know your pool sanitizer works best when pH is between 7.2 and 7.8? Get the most out of your swimming pool sanitizer by balancing the water first.

man and woman with baby swimming underwater

Improves Comfort of Swimmers

If the pool water has pH that’s too low or too high, eye and skin irritation can occur. Keep everyone comfortable with properly balanced water.

How to Use HTH pH Increaser

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1. Test pH Levels

Use HTH Multi-Purpose 6-Way Test Strips to test the pH level. The ideal pH range is between 7.2 and 7.8. If the pH is too low, raise it with HTH® pH Increaser.

2. Determine Dosage

Looking at the instruction labels on the back of the pack, determine necessary quantity depending on pool volume (gallons) and pH level from step 1.

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3. Apply Directly to Water or Skimmer

With the pump running, add to pool skimmer or directly to the pool water spread evenly around the deep end of the pool. Use a pool brush to disperse any undissolved chemicals.




Day After

boys playing on floats in the pool