Fiberglass Cleaning.

[Captn'J]

I just noticed a huge gasoline stain in the fiberglass right below my gasoline fitting. I got gas last week and noticed that the attendant over filled the tank and some gas spilled over and ran down the side of the boat and in the lake. I got a wet brush and wiped the boat down. I tried all my cleaner waxes and spot cleaners that I have and nothing works. Dos anyone have any suggestions on taking out gasoline stains out of colored fiberglass ?

Thanks.