I have a number of very small paint bubbles, on my 1990 345LE Motor Home, in both the Red and Grey painted areas. I have the paint and am in the process of cleaning the bad areas. I checked with PPG for a recommended primer and they said to use an epoxy they sell which must be sprayed. The areas are two small for this. Does someone know of an aluminum primer that I can just dab on with a brush? I intend to just brush on the paint. Do I need a primer at all?
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