John,
Your sacrificial anodes for fresh water must be magnesium, not zinc.
Steve

wrote in message
...
Just pulled my vessel out of the river, getting ready to take a trip
to one of the local lakes for a week-long vacation on-board. This
vessel has only been in the water for ~5 months, but the zinc anodes
look like they're working especially well. *THAT's* good news, but I
wonder if I shouldn't take a steel brush to 'em while I have the thing
out of the water. I'd much rather see the anodes rot than the
outdrive.

A bit of background, this is an 07 260DA and I keep it in the river
full-time, and it's connected to shore power while in the slip.

Thanks!

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john burton
Bach 50B3 Bass Trombone
Kanawha Valley Community Band / Slide-by-Slide
South Charleston, West Virginia