Just
want to thank those folks who have replied and want to restate what I was
asking. I know about acid washing aluminum trailers. The thing is my trailer has
painted sides. Only the top and the nose of the trailer is aluminum. I need to
know how to get the black streaks off the painted areas and most importently,
how to coat or seal the aluminum so it won't streak the paint again. What can I
coat it with? I'm guessing that I also need to seal the painted areas. Removing
all those black streaks is going to take days!!!!! Could someone pass me
the cheese?