Its called On-Off , a tough acid based solvent that does not seem to harm
gel coat.
Works miracles.


"Ed" wrote in message ...
Any acid... Just make sure you are careful and rinse with LOTS OF WATER
and avoid all other metal. eats it in seconds without scrubbing.



Barry Minchey wrote:
Removed a fire extinguisher bracket and will not install new one in
the same place. Nasty rust stain. Are there good solvents for this or
should I use a polishing compound?

Thanks!