How long can TotalBoat Aluminum Boat Paint be submerged underwater? Eric Boudreau June 24, 2021 18:24 Updated TotalBoat Aluminum Boat Paint should only be submerged for 24 hours at a time. The final coat of paint should be cured for at least 72 hours prior to submersion. Related articles Can TotalBoat Aluminum Boat Paint be used below the waterline? What is the full cure time for TotalBoat Wet Edge? Which antifouling bottom paint is best for freshwater boating? Is TotalBoat Wet Edge Oyster White close in color to Awlgrip Oyster White? Will TotalBoat TotalBilge resist battery acid? Comments 0 comments Please sign in to leave a comment.