Preventing rust becore paint

Ospho. Some of the gurus say spray a second coat after the Ospho was sat a day, , let it sit a few minutes and NOT dry then wash good with water ( maybe with a little soap) to NEUTRALIZE the Ospho. Some epoxy primers can react months later. I remember being told years ago epoxy primers can react to acid an maybe that is why some say never spray epoxy primer over metal primed with metal etch primer. Dunno.

I had some pitted metal on a trunk lid I cleaned with Ospho and then epoxy primed and the topcoated with single stage urethane, 9 months later it had little tiny (bumps) all over it. Go figure?

I saw Bad Chad using Windex instead of the usual auto oil and grease remover type cleaner. DUNNO!!!!!

and my wife says I'm "anal" some days!!??? :BangHead: :BangHead: :BangHead: :steering: :thumbsup: :thumbsup: :thumbsup: :thumbsup: :realcrazy::rofl: