Grains for every gallon is how your water hardness is measured. You'll see the abbreviation for this (GPG) in relation to the utmost hardness elimination quantity for each water softener. The upper the GPG, the upper the grain potential you may need. Up coming, disconnect the temperature and strain (T&P) https://cesarbjrzh.blogminds.com/the-commercial-plumbing-diaries-27382575