The current scoop on galvanic corrosion. pitting on the outdrives lower unit was first noticed by the boats owner in the spring of 2002. the following year, "some. Aluminum boats are popping up along the coasts; find out how to protect yours from corrosion. Alloy boats, but in reality galvanic corrosion is more common on trailable aluminum boats. the symptoms of both types of corrosion are virtually identical..
