Really Quick Help Needed

[DCOutdoors]

I am finishing up a 46-foot boat...wow... There is rust running from the drains to the waterline and some kind of gray something that goes out about four inches on each side of the rust trail and all of the compound and wool buffer pads in the world don't seem t touch it (short of cutting through the gel coat). It seems like it has stained all the way to the fiberglass. This boat had very heavy oxidation (but not any more).

Is there anything that will get the rust out and possibly embedded exhaust? I go back to work on it tomorrow morning at about 6 a.m. (central) so need the answer before then otherwise it will just be great information to know.

BTW - the boat is in the water at a marina in N.C. Florida (Port St. Joe).

Thanks in advance.

[Rsurfer]

There must be a few boat accessory stores in the area..they would know best and probably carry the product.

[DCOutdoors]

Port St. Joe, FL is very small and the one store that carries stuff like this is a general outdoor store catering more to hunters and fishermen with very little knowledge of actually caring for a boat!