Zinc Anode problem

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J

J Dodge

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Oct 23, 2011
3
O'Day 35 35 Ft RNYC Long Pond NL
HELP HELP>>>Both (2) anodes on my shaft and a Tear Drop Anode on the keel are used up completely im 3 months in salt water, also, my keel is pitted. Have tried various test without success. Any help would be appreciated
 
jibes138

jibes138

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Jan 27, 2008
3,086
ODay 35 Beaufort, NC
Look into a galvanic isolator. Also, unplug your boat from your AC circuit when you leave the boat. In other words unplug your shore power cord.
Other than that you might need to consult an expert to run some tests.
 
B

Barnacle Bill

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Jun 9, 2008
1,801
- -- -Bayfield
Galvanic corrosion can be a big problem. I had one guy call me from the Bahamas once because everything metal in his boat was disappearing before his eyes, it seemed (even his running lights). Make sure your boat is bonded correctly (all underwater metal fittings should be bonded). Also make sure there isn't a problem with stray current coming from another boat near you in the marina. Someone else could be causing the problem. I'd check the pencil anodes in your engine too, if you have them.
 
J

J Dodge

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Oct 23, 2011
3
O'Day 35 35 Ft RNYC Long Pond NL
Corrison

Barnacle Bill said:
Galvanic corrosion can be a big problem. I had one guy call me from the Bahamas once because everything metal in his boat was disappearing before his eyes, it seemed (even his running lights). Make sure your boat is bonded correctly (all underwater metal fittings should be bonded). Also make sure there isn't a problem with stray current coming from another boat near you in the marina. Someone else could be causing the problem. I'd check the pencil anodes in your engine too, if you have them.
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Thank you for this info. How do I check for stray currrents fro another boat.
 
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