What is it? corrosion, if metal can corrode around salt water does it make sense to use aluminum boats in a salt water environment? yes.. And that is corrosion. yes it’s true in the marine have either form of corrosion on your aluminum boat the aluminum is going to start being eaten away first before. Zinc for aluminum or salt water: if you are a saltwater boater, you should install zinc or aluminum anodes to prevent galvanic corrosion on the engine and underwater.
