TotalBoat Outdrive AF Antifouling Paint Copper-free antifouling paint, ideal for aluminum boats, outdrives, and outboards. Single-season protection against barnacles, slime, and algae growth. For use below the waterline in fresh, salt, or brackish water. Works well on properly prepared bronze, brass, aluminum, stainless steel, galvanized steel, and other underwater metals. Size: Quart, Color: Matte Black, Finish: Flat, Coverage: 400 sq. ft./gal. @ 2 mils DFT