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Amerse pH & Alkalinity Increase

pH & Alkalinity Increase

Low pH in Softub and SplashTub can cause unsightly wrinkles and cause permanent damage to the vinyl liners.

pH & Alkalinity Increase increases the pH and alkalinity levels of the water in your Softub or vinyl lined spa.


1. Test your total alkalinity and pH using a water Test Strip. If alkalinity is below 80 ppm, add one ounce of product.
2. Permit Softub water to circulate for fifteen min. then re-test. Repeat procedure if necessary until the recommended alkalinity level is reached.
3. If alkalinity did require adjustment, re-test for pH after the alkalinity adjustment has been completed. if pH is below 7.2, follow the procedure about but add a 1/2 ounce at a time to your Softub. Repeat until recommended pH level is reached.

The ideal pH range for a Softub or vinyl lined spa is 7.4 - 7.6


Store in a tightly closed container in a cool, dry place. When container is empty do not reuse. Wrap container and place in trash collection or approved landfill.




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Softub® is a registered trademark of Softub, Inc.
SplashTub® is a registered trademark of Splash SuperPools, LLC.