Types of marine corrosion. revised by boatus editors in april 2012. metal parts underwater are subjected to two basic types of corrosion: galvanic corrosion and stray. Aluminum boats are popping up along the coasts; find out how to protect yours from corrosion. Have either form of corrosion on your aluminum boat the aluminum corrosion can be prevented. after each outing hose down the entire boat with freshwater..
