Oh boy, this will be a lengthy discussion!
I believe they recommend Aluminum for fresh water. I tried it once, and ended up with all kinds of unexplained *stuff* all over my shaft. I went back to zinc. Bill Coleman Erie PA From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of kelly petew via CnC-List Sent: Friday, March 20, 2020 6:02 PM To: cnc-list@cnc-list.com Cc: kelly petew Subject: Stus-List Which metal should I use as a sacrificial anode? Throughout my boating "career", I have also used ZINC for protecting prop and shaft. I sail the Virginia portion of Chesapeake Bay where the further north you go, the more brackish the water becomes. In looking to order anodes through Defender, I noticed their comment about ALUMINUM being longer lasting in salt and brackish waters [than ZINC]. I'd like to get both max protection AND max life out of my anodes. For those who sail in salty or brackish waters, which metal are you all using, and what's been the longevity? Fair Winds, Pete W. Siren Song '91 C&C30-2 Deltaville, Va.
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