Tuesday, 3 November 2020

Spa high pH

I have a 225 gallon spa/hot tub set to 101F. I use dichlor. It also has ozone. I filled it recently after being empty for a while.

My tap water is well and acidic but we have an acid neutralizer (calcium carbonate tank) that brings the water up to pH 7.

I followed my normal fill routine. First fill using a PreFresh water filter, then add 1/4 cup baking soda, wait, add 1 teaspoon sodium carbonate, wait, add 2 tablespoons calcium chloride, wait, then add 3 tablespoons MPS. The next day, I...

Spa high pH


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