Question about gelcoat on fiberglass hood. Please help!
 

I had a friend of mine spray my fiberglass hood for me(It was another color). He sanded it down to the fiberglass. When he sprayed the primer it seemed to look fine but when he applied the base coat it reacted(looked like it fish-eyed) on the driver's side.He sanded it down again this time when he painted it, it reacted on the passenger side. My question is did he sand off the gelcoat and if so is it necessary to have to put a new layer of gelcoat before he primes it and paints it again. Any help would be greatly appreciated. Thanks.

i will ask my freind at work he did some detail painting on my 2000 gt plastic trim part base coat clear coat he is a fiberglass wiz he fixed some fibrglass front ends on our school buses which i thought where a total loss i dont get home till after midnight est time so give me some time

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Thanks