Hey folks. Quick question. I read on the internets that a good way to thin out your paints for airbrushing was to use windshield washer fluid. So I primed/base coated my Sideswipe with Krylon Camo. I thinned out my Testors Modelmaster Acrylic with a small amount of cheapo fluid. Everything sprays fine but I notice some beading once the layer went down. =( Boo. So... is this the wiper fluid? too much fluid? or some reaction with the camo base coat? Any clues?