Asked by: Katheleen Logrosan
asked in category: General Last Updated: 31st January, 2020

Why is my pH high in my hot tub?

What causes high pH in my hot tub? The primary reason for a high pH and the tendency for the pH to stay high is a very high total alkalinity. Total alkalinity is the buffer to keep pH in range. If the total alkalinity is not in range, it cannot buffer the pH to stay in the desired range for hot tubs.

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Thereof, what causes high pH in hot tub?

Having pH levels that are higher than 7.8 or lower than 7.2 can cause problems for your and you hot tub. High pH is a common cause of calcium and scale build up at your hot tub water line and cloudy or dull water. If your pH is too low, use a pH up product to raise the pH.

Beside above, why is my pH always low in my hot tub? There are a variety of causes of lower pH levels, it may be as a result of: The water in your area naturally being more acidic. The water becoming imbalanced through the use of sanitisers or other hot tub chemicals.

Also to know is, how do you fix a high pH in a hot tub?

To lower both total alkalinity and pH, you will need to add an acid. Liquid muriatic acid (hydrochloric acid diluted to 20 percent) and dry sodium bisulfate are among the most popular choices. The acid combines with the water, thereby increasing the concentration of hydrogen ions and lowering the pH.

What should my pH level be in my hot tub?

The safe pH range for a hot tub is between 7.2 and 7.8—very slightly alkaline. At this pH, chlorine in the water will work effectively to keep the water clean, and, therefore, not harmful to you. Minerals in the water and sanitizers you add all affect the pH level; you should check it twice per week.

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