Grains per gallon is how your water hardness is calculated. You'll see the abbreviation for this (GPG) in relation to the most hardness removing selection for every water softener. The upper the GPG, the higher the grain capacity you will need. Up coming, disconnect the temperature and stress (T&P) relief https://water-heater-services91245.digitollblog.com/29510321/sewer-repair-options