Protecting Your Boat From Corrosion
One of the most difficult things to deal with for seamen is corrosion of their vessels. WD-40 can actually be a very helpful friend. By spraying the stern after each use, you can protect the boat from permanent damage.
Removing Barnacles From Boats
Barnacles are one of the most stubborn things out there. Spray the area affected with a generous amount of WD-40. Next, scrape off the barnacles with a putty knife. If you still have some leftovers, spray more and use some sandpaper.