RV exterior cleaner
I recently purchased a used coach. One side has small black specs in the finish. The fellow I bought it from says it was from his trees. He bought a product which he used on his house siding, and also on a small area of the coach. That area is completely clean. He can't remember the name, but he said all he had to do was spray it on and leave it. In a few weeks the sprayed area was clean. I have found a product that sounds like it might be what he used. It's called "Spray & Forget".
Has anyone out there ever heard of, or used this or similar product? The coach is in beautiful condition, except for these black marks on one side.