The Chandlery sells Interlux's Bottomkote - CA by the Gallon
Bottomkote – CA provides excellent season-to-season protection, enabling the antifouling paint to wear away with use and eliminates the build-up of old spent coatings and the heavy sanding needed to remove them.
Good to know:
Flexible application schedule – apply at low temperatures
Compatible over most antifoulings
Suitable for power and sail, in all waters