Ospho????

I wiped my whole car down with it. Only bought one bottle, quart sized and still have some left. Used an epoxy primer. I let it dry overnight, then scuffed it with a green scotchbrite pad. No problem with wrinkling or adhesion. Had a guy I used to work with, a professional painter for Boeing at one time recommend it. Reason I wiped the whole car down, I took it down to bare metal, wanted to see where the problems were. Seems that there were some black spots in the metal. Found out later that was the beginning of corrosion, so I lucked out and did the right thing without realizing it. Car has yet to have any rust showing through what I have on the car yet, and it's been something like three or four years so far? Oh, and it don't really remove rust, it converts it to iron phosphate.