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Sacrificial Zinc Anodes (Video Included)

Nuts & Bolts: What are those silver things on the motor mount, and on the lower unit, and what do they do? Zinc anodes are a vital component to protect your boat and motor from galvanic corrosion. Captain Cefus McRae explains their function, and when to replace them to keep your boat from experiencing the Corrosion Gremlins.