The answer to Marine Growth

[spareparts]

you need to paint the bottom of any fiberglass boat if you leave it in the water. Gel coat is more porous than fiberglass, it absorbs water when it left in it for long times, the water gets between the gel and the fiberglass and causes hull blisters. When you paint the bottom of a boat, you start with a primer/barrier coat to prevent blisters. Ablative paint helps the process of retarding marine growth and making it easier to clean off. If you use the boat regularly enough, it will keep itself clean. To answer your question about painting a boat on a trailer, there are several ways around that, all easily done