Anodes for boats for fresh water

I recently purchased a 20' aluminum jet boat. The builder installed zinc anodes. This boat will be in freshwater rivers of the pacific north west all of the time. I know that zinc is for salt water and magnesium is for fresh. Where can I purchase magnesium anodes for small craft like mine?

Milton Baird
None/Retired - Clarkston, Washington, United States of America
2005

Hey, it looks like you need a magnesium anode for a boat in fresh water, just google 'magnesium anode for a fresh water inboard engine' Or try a website called the hull truth or boat zincs.com for good information.
Doug Penland
Catalina 25 Freshwater Trailer Sailer - Arlington Texas
June 18, 2011

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