Just wanted to give a high rating to Wash Wax All. I finally took the plunge recently. It is not cheap , but, to my mind, worth the cost. Using the mop I did the rig in about the same time as washing ...
The Wash Wax system is not real good if your unit is really dirty. When I start out on a trip with a clean coach (usually after a real water wash) I can keep it looking that way for weeks unless I drive through a lot of rain. The system is not a wax per say, it's basically a tool that holds two micro fiber pads, one damp with the Wash Wax solution and one dry pad.