well i used to water my plant with tap water before, it happened to be 7.5 ph , its depend on what your local with water quality, As far as you can let tap water in the gallon or bottle with open lid , sitting for 24 to 48 hours , the chlorine will evaporate. then you can dilute with molassess for another 24 hours with lid on, and make sure you can shake it good sometimes , next day your good to go