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Average Hard Water Levels in the United States
Shown in Grains Per Gallon, or GPG.
Note: One grain = 17.1 ppm.

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Hard Water Map

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Why does soft water feel slimy or slick in the shower? ( or what we like to call "silky" ).

Sani-System Liquid Sanitizer Concentrate Water Softeners,SS24N Hardness Drops - Test Kit Hach 5B cat.no.145300 Test Kit Hardness Drops
Liquid Sanitizer Concentrate ( 0.5 ounces ) for sanitizing Water Softeners
Cleans and Restores Your System
Hardness Drops - Test Kit Hach 5B cat.no.145300 This kit contains the necessary materials to conduct multiple  tests of the hardness ( in grains per gallon ) of the water.
Test Kit Hardness Drops with Iron and pH levels
This kit contains the necessary materials to conduct multiple tests of the hardness ( in grains per gallon ) of the water.
AND 50 test of IRON Levels and multiple pH tests.