Sherman wrote:
What works best to clean corroded automobile battery terminals and
more importantly to prevent future corrosion?
Baking soda w/ water and a scrub with a wire brush. Don't allow the
cleaner to get inside the battery. Polyurethane on the posts or even
petroleum jelly will deter corrosion. An old trick is to lay a penny
next to the terminal. It will corrode instead.
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