The Relationship Between pH Balance and Alkalinity

Swimming pool chemical balance is critical to maintaining clean and safe water. It’s important to test your water regularly to ensure that it is balanced. Sometimes, chemical balance can be tricky. Chlorine isn’t the only part of balancing water. There are several other factors involved in balancing swimming pool and one of the most critical issues is the pH balance of the water. The pH of the water affects how well the pool sanitizer, such as chlorine, works.

swimmerDid you know that there is a significant relationship between pH and alkalinity? When the pH is out of balance, it affects the pool alkalinity. You can’t adjust the pH of the water effectively unless the alkalinity is in balance. Most experts recommend that the pH of swimming pool water is between 7.2 and 7.6 for the pool chlorine to work properly. High pH can cause a calcium buildup, filter clogging, dull water and a variety of other problems. If the pH is too high, you need to check the total alkalinity of the swimming pool water.

The total alkalinity of the water should be between 80 and 200 ppm. If the pH is high and the alkalinity is in the right parameters, you should add pH reducer. If the pH is low in the swimming pool water, you should check the alkalinity just like when the pH is too high. If the alkalinity is normal, then you should add a pH increaser to the water.

What if the alkalinity in the water is not balanced? High total alkalinity, the pH of the water will consistently rise even if you add pH reducer. To fix the problem, you need to adjust the alkalinity without affecting the pH balance. If the alkalinity is too low, add sodium bicarbonate which will raise the alkalinity without affecting the pH of the swimming pool water. What if the alkalinity too high? You should add a pH reducer to the deep end of the pool. You’ll need to shut off the pump and give the pH reducer time to lower the alkalinity and then you can turn the swimming pool pump on again.

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