Generally speaking, the service life of marine bottom paint is about 1 to 5 years, among which the service life of hard antifouling paint is generally about 2 to 3 years. Self-polishing antifouling paint has a longer service life, generally between 3 and 5 years...

Therefore, using $50 per liter of boat bottom paint, paint a 50 square meter medium-sized yacht, apply two coats. It is expected to cost $2516.67, (including: paint cost $416.67, construction cost $1600, cleaning, sanding and inspection cost $500).

​Boat bottom paint, also known as antifouling paint, is a coating specially applied to the bottom of a boat. Its main purpose is to protect the bottom of the boat from the attachment and erosion of marine organisms, while improving the navigation performance and fuel efficiency of the boat.