![Acid Acid](/uploads/1/2/5/5/125512631/866556381.jpg)
Total Alkalinity acts like a buffer for your PH level in thespa, if your alkalinity is too high your pH is also probably toohigh. These acid levels can affect the feel of the water which canirritate the skin and the eyes. It is not harmful but should beadjusted using a chemical like PH down (sodium bi-sulfate).The real problem with Alkalinity being too high is that this canaffect how well the chlorine is sanitizing the water, the higherthe PH and Alkalinity the less effective the chlorine or bromine iswhich leads to your water not being properly sanitized.Also remember when adding PH down to lower your Alkalinity youshould stay out of the hot tub for a few hows as that is a granularacic that your are adding and you want to give it time to dissolveinto the water.-Jay BroyerPrecision Pool Construction.
How to Lower Alkalinity in Hot Tub. Wondering how to lower alkalinity in hot tub and stabilize the pH? Basically, the correct total alkalinity should range between 80 and 120 parts per million (ppm). A spa volume calculator can help you calculate the right range for your hot tub. Dry Acid Dosage Charts (Note: ≈ 2.5 pounds of dry acid equals 1 quart of muriatic acid) Lowering pH These are very general guidelines. However, DO NOT add any more than indicated in any single application. Dry Acid for POOLS Gallons in Pool pH 120,000 60,000 30,000 15,000 10,000 7.6-7.8 11.2 lbs 5.6 lbs 2.8 lbs 1.4 lbs 15 oz.