Leave it for 20 minutes and turn off the spa.

Muriatic acid in hot tub. Add the measured amount to a. Carefully pour the solution into the tub and. Test the water with your.

If the test results determine you need to raise the acidity of your pool water, begin by filling a bucket with clean water, not pool water. Allow the acid to circulate overnight with the cover on. The maximum ratio you would ever want to use is 1:4, but 1:20 is sufficient for cleaning the filter.

Dilute 1 part acid into 10 parts of water (never the other way around). Carefully, pour the solution into the hot tub and run the jets to aerate it. The worry is when adding it straight to the tub, it will go to the bottom and be.

Home > community > how do you add muriatic acid to a hot tub? Make a solution of 1 part muriatic acid to 20 parts water. The hardest part is measuring such small amounts of acid.

In a 350 gallon spa with a ph of 7.5 and a ta of 120 ppm, for example, it takes only 3 tablespoons of muriatic acid. Downvote + chlorine + acids + chemistry. If using pur muriatic acid to clean a filter, it should first be diluted.

If you use concentrated acid very small additions will make large changes to ph and could damage the. You want to aerate the water so turn on the air and jet features on the hot tub. 1 followers · 0 following.