We were looking at our awning that has a little mildew. Someone at a campground told me that he uses a 50% mixture of Simple Green in a spray bottle. He then roles the awning up for 30 minutes. After ...
I use simple green on my awning (the one purple/blue bottle clearly labeled for rv use) I spray the hose on my mildew then spray the simple green rv cleaner and gently scrub with a car wash brush when the awning is lowered, I did both sides of awning and the entire outside in 6 foot sections and couldn't believe the amount of "dirt" that came off