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post #5 of Old 09-20-2006
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Originally Posted by Rockter
I have found that it was very difficult to keep the zincs on the shaft. Those wee zinc fish you see run over the side seemed more reliable, if less convenient. Just clip it onto the shaft or coupling and drape it over the side.
Bear in mind that the longer the electrical path between the anode and the item being protected, the less protection that is provided. I'm not saying that the zinc "fish" don't work, but zincs on the shaft are the proper solution to protecting the shaft and prop. Streamlined collar zincs on the shaft are among the the most reliable anodes used on pleasure craft and if you are having trouble keeping them on, I suggest trying a different brand. There are differences in quality. I recommend the Reliance brand, first and foremost. Other good brands are Sea Shield and Martyr (although these are now apparently manufactured in China, a recent development, I believe. They used to be made in Canada.) Brands I'd stay away from are ElectroGard and Camp.
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