What the pH is GOING ON!?!?

It’s the first test on the strip, people.  And it’s important-very important.

From Wikipedia:

“In chemistry, pH (Potential Hydrogen) is a measure of the acidity or basicity of an aqueous solution.[1] Pure water is neutral, with a pH close to 7.0 at 25 °C (77 °F). Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline. “

High pH in swimming pool water can cause the following things to happen:

  • calcium buildup on ...
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