Pacifica Plus works on all boats in all waters! Versatile formula can be used on any substrate. Maximum performance in the toughest fouling conditions. Can be applied over other properly prepared antifouling paints. Great for fiberglass, wood, steel, and aluminum. Safe and effective for running gear and other difficult areas. Boosted with Biolux technology for an unmatched performance level. Copper-free technology is first in class performance. Boosted with Biolux technology | Interlux Pacifica Plus, Gallon in Black