Hard Water Basics
What is hard water?
Hard water is the most common problem found in the average home. Hard water is water that contains dissolved hardness minerals above 1 GPG.
What minerals make the water hard?
Calcium, manganese and magnesium are the most common.
How do you Measure Hardness?
Parts per million or grains per gallon are the most common. 17.1 PPM equals 1 GPG.
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