Removing HEAVY oxidation
We bought a 2002 Forest River Wildcat about 6 months ago. It's a fifth wheel with bunk house. It had ZERO shine on it, and doubt that the previous (original) owner ever waxed it. We tried every wax and method on the market with very dismal results.... until we discovered Meguiar's Marine/RV compound and polish #67. It's for moderate to heavy oxidation, and it only costs about $25 for 32 ounces. You have to apply it with a piece of terry cloth (and scrub until your arm feels like it will fall off), and then immediately remove it with another clean piece of terry cloth (takes FOREVER).... BUT you don't have to wax it afterwards, because it contains a polish, and the end result is nothing short of a miracle! The camper looks like it rolled off the showroom floor! My husband and I started this process on a Saturday and finished the following Thursday. (Yes, it took us 6 days... about 5-6 hours a day). It removed all the oxidation and dirt. It even cleaned up all the graphics. Not only do the graphics shine again, they're actually metallic! Who knew?! lol (We did the entire camper by hand. I'm sure it would go a lot faster by machine... but it is CRITICAL that you use clean terry cloth... and switch them out often. Otherwise, you're spreading oxidation and dirt around. We cut up a dozen towels for our camper and had very few pieces left over.)
I hope this helps someone. The results for us were miraculous. Just lots of elbow grease!