I was told to use polmolive dish soap the most basic non fragent one they sell. However I did go to the Syracuse RV show they were selling products made by RELIABLE 1. A ton of people were buying it. I bought the wax ,cleaner,general in between wipe down cleaner and the roof protectant. Looks like really good stuff.Check it out at www.reliableproductsonline.com
. I wanna do alittle more research on it, but like I said it was selling like crazy and I wanted a wax and stuff so I bought it. It has a money back guarantee the guy said.