When I was teaching auto body classes at an inner-city Nashville high school, we had terrible problems with fisheyes in several paint jobs. I finally tracked down the source of the problem. At least a third of my students were using large quantities of Vaseline Intensive Care lotion on a daily basis. They called it "ash killer"! Sanding body filler and then rubbing their hands over the freshly-sanded surface feeling for ripples was putting the lotion deep under the primer and the finish paint.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!