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How many grains per gallon is considered hard water 2024?

Lucas Brown | 2023-04-16 21:38:35 | page views：1449
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Julian Carter

Works at the International Fund for Agricultural Development, Lives in Rome, Italy.
Water Hardness ScaleGrains Per GallonMilligrams Per Liter (mg/L)or Parts Per Million (ppm)Classificationless than 1.0less than 17.1Soft1.0 - 3.517.1 - 60Slightly Hard3.5 - 7.060 - 120Moderately Hard2 more rows
2023-04-20 21:38:35
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Zoe Kim

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Water Hardness ScaleGrains Per GallonMilligrams Per Liter (mg/L)or Parts Per Million (ppm)Classificationless than 1.0less than 17.1Soft1.0 - 3.517.1 - 60Slightly Hard3.5 - 7.060 - 120Moderately Hard2 more rows
Explanation of Water Hardness - Fairfax Water
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