Trinidad 75 blue. Trinidad 75 packages the performance of Trinidad exclusively for professional applicators through our Pro Coatings line. Trinidad 75 utilizes an extremely high load of cuprous oxide to combat even the most extreme fouling conditions. Its durable, hard modified epoxy finish has excellent adhesion and is highly abrasion resistant. When left in the water, Trinidad will provide years of dependable service. The antifoulant of choice for professional applicators everywhere.