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Zincs disappearing in 3 months
- Thread starter jaj63207
- Start date
no experience with that product however your marina has a problem and the owner should be told. Is the wiring in bad shape??? A boat owner may be using an automotive charger or have other problems as well.
If you buy one of those cheap yellow outlet testers, you can check around on the docks and boats to see if you find an open ground.
If you buy one of those cheap yellow outlet testers, you can check around on the docks and boats to see if you find an open ground.
If it was just your boat, I'd say to check your Galvanic Isolator, but since it is happening to other boats as well, then I agree that there is probably a marina wiring issue. Especially in salt-water, a marina with boats, salt-water, and electricity is collectively one huge battery.
The real issue is rapid zinc corrosion is indicative of stray current somewhere, if it is severe enough, I believe that the zincs may not be adequately protecting the other metals.
The real issue is rapid zinc corrosion is indicative of stray current somewhere, if it is severe enough, I believe that the zincs may not be adequately protecting the other metals.
When your neighbors are hauled for the season check their thru-hulls. I had a neighbor with a problem that burned my zincs every year off by mid season. Looking at his boat he had metallic shadowing around the intakes, tabs, all thru-hulls, everything down there....
I am not certain what metallic shadowing is, but the culprit boat in my opinion would have more then a shadowing. The thru hulls, struts, props etc would show obvious signs of pitting to the point of corroding away. The diameter of the thru hulls would be shrinking ( the metal is being eaten away) Struts and props may show a pinkish color to them.
if you are in a marina the the divers say 3 months is common , I would leave -this has been going on way to long. Plus divers make a living from you.
A marina shore power is like a big open circut. If the marina will not do some testing you and your neighbors should pitch in and hire a marine electrician and get some facts. My guess is less then a couple hours of checking around you will have some anwsers.
if you are in a marina the the divers say 3 months is common , I would leave -this has been going on way to long. Plus divers make a living from you.
A marina shore power is like a big open circut. If the marina will not do some testing you and your neighbors should pitch in and hire a marine electrician and get some facts. My guess is less then a couple hours of checking around you will have some anwsers.