Grains for every gallon is how your water hardness is measured. You'll see the abbreviation for this (GPG) in relation to the most hardness removal number for every water softener. The upper the GPG, the higher the grain potential you will want. RO models aren’t meant to be utilized for https://pipereplacementandrepair88653.p2blogs.com/29240232/a-secret-weapon-for-water-leak-detection