Features January 2017 Issue

What’s the Best Anode Material?

Aluminum and zinc anodes reviewed after a year in brackish waters.

Every fall, as the hauled-out boats are sardined into boatyards, a walking tour reveals the casualties from the underwater war. Saildrives are deeply pitted and shedding paint. Bottom paint is burned near seacocks. Folding props no longer fold. Most often, these losses are blamed on the zinc anodes—or lack of them.

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