How often do you clean your water tank? We recently sold our hybrid which had a 15 gallon tank with a 4 gallon hot water tank. I would mix the cleaner (some combo my wife puts together with bleach a...
I do mine in the Spring and if the fresh water starts to have any odor. Don't drink it anyway, water is a waste, drink Beer! Just put in Clorox for half hour, drain and fill. rbpru, the green was probably Algae not mold as mold is grey or black.