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Total Hardness

Measure of water hardness indicating concentration of calcium and magnesium ions in water.

Mineral or nutrientUpdated Mar 8, 2026
Health score+1.0
-5Good5

Water guidelines

Legal limit
Not specified
Health guideline
Not specified

Food and supplement guidelines

Legal limit
Not specified
Health guideline
Not specified

Risks

None

Benefits

Contributes to dietary calcium and magnesium intake, supports water taste and infrastructure longevity

Waters containing Total Hardness

5 matches