Hot Tub pH & Alkalinity Balancers
Total Alkalinity, pH increasers & reducers for balanced water levels
Frequently asked questions about hot tub pH and alkalinity balancers
What happens if pH is too low in a hot tub?
Balancing pH and total alkalinity is essential to keeping your hot tub in top condition and your sanitisers working at their most effective. Total alkalinity is closely related to pH, and managing it is a key factor in maintaining healthy pH levels. 7.2 or below indicates that your water is too acidic, which can cause itchiness and eye burn, and your sanitiser to be less effective. High acidity can result in costly damage to your hot tub parts too.
What happens if pH is too high in a hot tub?
High pH levels of 7.8 or above, can, along with high alkalinity, contribute to scale build-up, foam and cloudy water.
How do I test pH levels in my hot tub?
Use test strips to test the pH level, they’re easy to use and provide quick and accurate readings, so you can make the proper pH adjustments if required.
How do I test TA levels in my hot tub?
Use test strips to test the 'TA' or total alkalinity, they’re easy to use and provide quick and accurate readings, so you can make the proper alkalinity adjustments if required.
How do I apply total alkalinity in my spa?
- Ensure any bathers are out of the hot tub or spa.
- Test your water using a testing kit to determine if the total alkalinity level is above 80ppm; if not, add as per the dose on the pack according to what you need with the pump turned on, this will allow it to circulate evenly.
- Leave for 10 minutes (so the chemicals can work) then retest, and if not within the desired range, raise in 10mg/l ppm increments and repeat until correct.
We recommend waiting at least 2 hours after using pH or TA before using your hot tub. When adjusting alkalinity, you’re also adjusting the pH levels and vice versa. We recommend getting your total alkalinity balance correct first, as it acts as a buffer and prevents rapid pH fluctuations; plus, high pH levels are much more challenging to adjust. Use pH increaser when your water is too acidic, pH reducer when your water has high alkaline levels and alkalinity increaser when your water has low alkalinity.
If you need more information about balancing your tub's pH or TA, check out our 'balancing your hot tub’s pH level and total alkalinity guide', or get in touch and we'll be happy to help!