Ok guys and gals, we have those ever pesky streaks all over the trailer. I bought the black streak remover but it didn't seem to touch them. Is there a home brew or a better product out there that act...
x2 Meg wax and Simple Green seems to work . However in my experience over the years, I found different RV's reacted differently with various cleaners.
The streaks can occur from the roof as well as a reaction between various brands of caulk against aluminum or plastic. Sometimes they can be a little more stubborn and I found it better to change brands of cleaners for those.