Rodney Myrvaagnes wrote:

Chuck Baier wrote:

When we had the problem, we had no DC connection to the dock. We used
a trickle charger with isolation. We never have had a DC connection,
but when the ground was fixed, the zincs stopped going away.

Huh? DC to the dock? I presume you meant AC!?

I don't think you mean "brass" propellors.

Indeed, bad translation in my head! ;-)

But still, unpluging the shore power line when not needed can do only good and is a quick fix while the dock issues are addressed.

Jean Dufour
Montreal, Qc