water hardness

Dissolved mineral concentration

Water hardness is a measure of dissolved minerals in water, primarily calcium and magnesium.

Hard water leaves scale deposits in pipes and appliances, makes soap lather poorly, and can leave spots on dishes and fixtures.

Water softeners remove these minerals.

The water hardness here is off the charts—my showerhead is completely clogged.

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mineral content level

water hardnesssoft water

Low-mineral H2O

softened water · distilled water · softness · purified water · rain water

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