Originally Posted by Chuckinca
Before traveling every day (or maybe first and second to last days)?.
I do it when I empty the tanks.
1 cup Calgon
diluted/dissolved in hot water.
If I am leaving and going back home I also put 1 cup laundry detergent and a few gallons of water too. The swishing around when moving will help clean and coat the tank. It will stay in during storage until the next outing.
Works really well.