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Hard Water Map of United States

Hard water results from high levels of calcium and magnesium in water. It’s a natural occurrence that affects over 85% of the water supply in North America. Hard water minerals stick to everything water touches, and do more than leave an unsightly residue - they can actually harm your home and cost you money! 

water

The map illustrates the approximate grains per gallon (GPG). Your water hardness may vary depending on the source.

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