Four decades all over the Great Lakes, never once changed a zinc. Most of my boats never even had any including the wood boats. Now that I'm in salt I'm replacing the bloody things every 4 months. The manufacturers of outboards who have no control over what waters their motors are used in have surely given this a lot of thought and I think, are mostly, if not all zinc.
If you need a summer hurricane hole , many of my neighbors have docks for rent.
FF, Not to hijack Chesters thread but I might be interested, anything for a 50ft, are you on the Atlantic or Gulf side?
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