My way may not be the correct way, but its worked for me for many years. I tried once to disinfect the fresh water holding tank. I found that to be a large waste of time and water. One would have to put water in the tank add bleach and drive around to have the bleach water mix splash up on the sides and top of the tank. Once done with that one would have to empty the tank, fill again to drive around to wash the sides and top of tank. This may not be the way folks do the tank but thats how I would do it.
I do not disinfect the fresh water tank. I do disinfect the water lines. I use a 1/4 bleach in a gal. water. I use the winterizing hose to suck the mixture into the lines. Let site, rise and way we go.
07 Meridian 36G
Roadmaster tow dolly
Great Wife!! & Max the Frisbee chasing dog.