How do I lower the pH in my hot tub?
There are two main chemicals typically used to decrease pH in hot tubs, muriatic acid and dry acid (also known as sodium bisulfate). Although they are designed to do the same thing, pay attention to which chemical you are using, because how you add the chemical differs.
Is it safe to get in a hot tub with high pH?
You should NOT use your hot tub if the pH is too high (above 7.8). That can lead to itchy skin and burning eyes. But it can also cause scale build-up which can clog pipes and shorten equipment lifespans. If the total alkalinity is off, that can make it hard to balance pH.
Why won’t my pH level go down in my hot tub?
A product that is used to lower pH is sodium bisulfate. … If pH will not lower after adding the recommended amount of pH minus, hot tub owners can always add a liquid acid which can be more aggressive at bringing down a pH. Chances are the pH is much higher than the actual reading on the test strip.
Does vinegar lower pH in hot tub?
Keeping the pH of your hot tub at the appropriate level is a necessary part of spa maintenance. … You can purchase products from a pool supply store to regulate the pH, but if you do not have these chemicals on hand or if you prefer a more natural approach, adding vinegar to your spa can safely lower the pH.
Will baking soda lower pH in hot tub?
While baking soda can be used to raise the pH of your hot tub’s water, it will only raise the pH slightly. Remember, the proper level for pH should be between 7.2 and 7.8 parts per million.
Will Shocking pool lower pH?
Chlorine based pool shock (Calcium Hypochlorite) has a high pH, and will naturally raise the pH level of your swimming pool water, in addition to changing your chlorine level. Chlorine free shock has a neutral pH, and will not affect any of your pool chemical levels.
Does high pH cause hot tub foam?
A Bad Chemical Balance Can Cause Hot Tub Foam
Water with a pH greater than 7.8 parts per million has too much pH, while hot tub water with alkalinity higher than 120 pm is too alkaline. Either problem can lead to cloudiness.
What increases pH in hot tub?
Add 1 tablespoon of baking soda to the hot tub for every 100 gallons of water it holds. For example, add 4 tablespoons of baking soda to a hot tub that holds 400 gallons of water. Turn on the hot tub jets and allow the water to circulate the baking soda for two to four hours. Retest the pH level of the water.
Does chlorine raise or lower pH in 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.
How do I bring my pH down?
Products to help lower pH levels
- Sodium bisulfate.
- Muriatic acid.
- Test ph and alkalinity.
- Measure your chemicals.
- Add the chemical.
- Allow the chemical to dissolve.
- Re-test and repeat as needed.
- Test pH and alkalinity.
How do I lower the pH in my hot tub without alkalinity?
Use Aeration to Raise Pool pH (and not Alkalinity)
You can’t, but you can raise pH without affecting Alkalinity. This is done by lowering the pH and Alkalinity with pH Decreaser, then raise the pH through aeration. Just add air!
What should be adjusted first alkalinity or pH?
You should test alkalinity first because it will buffer pH. Your reading should be in the range of 80 to 120 parts per million (ppm). If you need to increase the alkalinity, add an increaser. To lower it, you’ll add a sodium bisulfate.
What household items lower pH in pools?
Sodium bicarbonate, more popularly known as baking soda, will raise the alkalinity of pool water. It is the same or similar to the sodium hydrogen carbonate that you will find in a pool store. You have to add 1.5 lbs of baking soda to 10,000 gallons to total alkalinity by 10 ppm.