They might show up as slightly acidic or slightly alkaline because of this. The pH scale measures how strongly acidic or alkaline a solution is using a set of values from pH 0 to pH 14.

The pH scale measures how acidic or alkaline something is on a scale from 0 to 14. Your body works tirelessly to maintain different pH levels in different areas, with your blood staying in an ...

The “pH” stands for “potential of hydrogen.” In pool water, it measures the acidity on a scale from 0 to 14. There’s definitely a “right answer” for what your pool water pH should be.

Small changes in pH reflect significant shifts in acidity or alkalinity due to the exponential nature of the scale.