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Q: My anodes are eroding very quickly. Is this normal?

Check that you have the correct anode for the water type the vessel is moored in. A zinc anode should be used for salt water, aluminium for brackish water and magnesium for fresh water. Rapid wasting of the anode may mean you do not have enough anode material for the component you are trying to protect. Extremely quick wasting may also indicate an electrical fault on the vessel. If you are plugged into mains shore power, you are advised to fit a galvanic isolator, which will help block stray currents.

Tags: anode erosion, quick eroding, zinc anode, aluminum anode, magnesium anode, electrical fault, galvanic isolator

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