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First recorded activity by BoatBanter: Apr 2007
Posts: 72
Default Zinc Fish, what is acceptable measured current ?

Dan, you aren't parked next to a big,
metal-hulled vessel or steel bridge or
dock pilings by any chance, are you?

Metal-hulled vessels (and sometimes
bridge pilings) usually use impressed
current protection and they create
rather strong electric fields in the
vicinity of the hull. If your boat is in
that field, that would explain a lot of
your symptoms.

BTW, if your prop anode was gone in less
than a year, either there is a problem
or it is too small. But you knew that. ;-)

Has the boat always gone through zincs
that fast or is this a new development?

Chuck

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