fiberglass tank sealer?? ethanol proof

[joedcranford]

Help! I need a fiberglass tank sealer that is ethanol proof.

[amsracing]

try the caswell kit.....DB

[TimR]

The gel coat of fiberglass is NOT ethanol proof. Ask anyone that has dealt with it in the boating world. The gel coat will be dissolved by the ethanol, will clog filters, and destroy moving engine parts, ie valves, piston, rings.

[harleytoprock]

I've had very good results using the Caswells epoxy sealer.