Removing water repelent from fiberglass lay-up?

I had about a third of the inside of the horizontal stab get a through
dose of water repellent for leather. The stuff has a very low
viscosity and I think will soak right into the resin preventing a good
bond. No it's not silicon.

Any good way of removing this stuff without destroying the stab in the
process. There are a not of nooks and crannies that you just can't
reach.


Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com