Join Date: Mar 2003
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Determining zinc use
I used to have (at a different marina) problems with zincs -- a zinc fish would last about 3 months. Checked my boat and fixed some problems, still zinc use. Now, I'm in a different marina and my zinc fish doesn't get used up and in fact just gets growth. I checked the zinc fish's connection to my bonding system with voltmeter/ohmeter--good solid connection.
So, does growth on the zinc mean it's not getting used or should I keep it cleaned as it just may be very slowly used up?