The Importance of Balancing Your Pool’s pH Levels

Person testing pH balance in pool - The Importance of Balancing Your Pool's pH Level

Understanding and maintaining the pH level in your pool is critical for user safety and pool longevity. A balanced pH ensures the optimal performance of disinfectants and prevents damage to pool equipment.

Let’s delve into the key role pH plays in pool water chemistry, view our infographic below & read our blog for more information & expert tips!

The Importance of Balancing Your Pool’s pH Levels Infographic

What Is the Ideal pH for a Pool?

The following are the correct parameters for a properly balanced pool or spa. These are key to healthy swimming and problem-free surfaces and equipment.

  • pH:  7.2 – 7.8 is the recommended range and 7.4-7.6 is the ideal range.
  • Totally Alkalinity:  (TA) 80-120 ppm
  • Calcium Hardness:  200-300ppm

Of the above, pH is the most critical. It affects all aspects of a pool or spa, swimmer comfort, equipment lifespan, pool finishes, vinyl liners, and even the performance of chlorine.

What Happens if the pH in a Pool is Too High?

A pool with a consistently high pH results in cloudy water, staining, scaling, and algae because the sanitizer is ineffective at high pH levels.

This is especially true of pools equipped with a salt chlorinator. Salt chlorinators produce liquid chlorine, which has a naturally high pH.

What Happens if the pH is Too Low in a Pool?

At a level of 7 or below, your water is acidic. This can result in liners wrinkling and heaters failing within as little as 3 months. Acidic solutions will also eat away at plaster, grout, concrete, and vinyl.  Additionally, any added chlorine will be used up faster, resulting in overgrowth of algae, bacteria, and other microorganisms.
If the pH has dropped significantly, then you may notice itchy skin and irritated eyes when swimming. 

How Do You Properly Balance a Pool?

The correct sequence for balancing is as follows.

  1. Balance the total alkalinity
  2. Balance the pH
  3. Balance the calcium hardness

Another important reason for a proper pH level of 7.2 your sanitizer (chlorine) is at its most effective. With a pH level of 8 or higher, the sanitizer’s effectiveness is dramatically reduced even if the chlorine Is at the proper level of 1-3 ppm.

The solution is to get a good test system and test your water at least weekly. Better yet, bring in a water sample for professional testing and advice.

Master Pool pH Balance with Expert Guidance Today

Looking for expert assistance in managing your pool’s pH balance? Leisure Industries is here to help with quality pool supplies and maintenance services.

Contact us today to find your ideal pool solution.

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Updated 2023.