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Galvanic corrosion problem
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<blockquote data-quote="nowgrn4" data-source="post: 483642" data-attributes="member: 17533"><p>'00 1652 Weld-Craft that sits in fresh water at my home pretty much 9 months of the year. Having an issue with corrosion around my fish finder transducer. I have bubbling paint and deep etching in the aluminum a few inches around the stainless transducer mount where it bolts below the water line through the transom. Will mounting the transducer to a piece of starboard and 5200 and bolt it to the transom isolate the transducer from the hull and eliminate the corrosion? Fish finder is always turned off. Engine is always tilted up totally out of the water. Battery switch is always on for operation of float switch/bilge pump. Sacrificial Anode needed? Any ideas appreciated.</p></blockquote><p></p>
[QUOTE="nowgrn4, post: 483642, member: 17533"] '00 1652 Weld-Craft that sits in fresh water at my home pretty much 9 months of the year. Having an issue with corrosion around my fish finder transducer. I have bubbling paint and deep etching in the aluminum a few inches around the stainless transducer mount where it bolts below the water line through the transom. Will mounting the transducer to a piece of starboard and 5200 and bolt it to the transom isolate the transducer from the hull and eliminate the corrosion? Fish finder is always turned off. Engine is always tilted up totally out of the water. Battery switch is always on for operation of float switch/bilge pump. Sacrificial Anode needed? Any ideas appreciated. [/QUOTE]
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Galvanic corrosion problem
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