Quote:
Originally Posted by upnorth
I noticed the tiniest bit of oxidation on my boat's stern drive and my neighbor recommended I install an anode (and I've since learned that it ought to be a magnesium anode). I'm not certain what to do or where to install it/what style to get. The sterndrive is Volvo-Penta with an aluminum prop. Thoughts?
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If it's a Volvo it should already have some type of anode on it. The problem is Volvo ships all of their drives, regardless of where they are going with salt water anodes. I, and most of us, I would assume, use our boats in fresh water only or at least most of the time. My Volvo DP drive (2000 Four Winns)pitted significantly before I could research the problem and you're right, you want magnesium not zinc for fresh water.
Blue Thunder