The Clean Lab

Thick mineral scale ring on toilet porcelain from high grains per gallon water

Hard Water in the American Southwest and Midwes...

Southwest and Midwest homes often test 15-25 grains per gallon — several times the mineral load of soft water regions. Here's what that means for your toilet.

Hard Water in the American Southwest and Midwes...

Southwest and Midwest homes often test 15-25 grains per gallon — several times the mineral load of soft water regions. Here's what that means for your toilet.