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!
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?
How Do You Properly Balance a Pool?
The correct sequence for balancing is as follows.
- Balance the total alkalinity
- Balance the pH
- 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.
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