hardness map

Slightly Hard Water (1-3.5 Grains Per Gal.)

Moderately Hard Water (3.5-7 Grains Per Gal.)

Hard water (7-10.5 Grains Per Gal.)

Very Hard Water (10.5+ Grains Per Gal.)

Click each box to see different water hardness levels throughout the US.

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Slightly Hard Water

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Moderately Hard Water

Hard water

Very Hard Water

Click each box to see different water hardness levels throughout the US.