For professional use only. Trinidad Pro not only contains a very high amount of copper but also uses Irgarol as a booster to prevent slime. This combination provides for the most protection possible in a hard anti-fouling paint. Trinidad Pro is great for fiberglass and wood hulls. Its epoxy base dries to a hard smooth finished which can be burnished to minimize drag and stands up to high boat speeds. Gallon. Not for sale in California and in States where prohibited by law.