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Anode replacement
Cableguy Greg
Member Posts: 5,012 ✭✭✭✭✭
We all preach it and here is a picture of my Magnesium anodes after one season in the river. The moving water takes it toll on them.
2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes"
Go Steelers!!!
Go Steelers!!!
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Go Steelers!!!
condition. Somebody close to you or the marina is leaking electricity......
Go Steelers!!!
@frenchship is one of the lucky few! To have anodes like that, I think you'd need everything just right: still water, no stray electrical current and perfect water chemistry (not to mention a relatively shorter boating season).
2007 280 Rinker Express 6.2L B3
Go Steelers!!!
2007 280 Rinker Express 6.2L B3
Go Steelers!!!
I wish that was what mine looked like after a season. I change most of mine half way through the season. Mine are much more deteriorated than any of those picts above after 4 months in salt water.
I saw this guy working on compounding his boat in the yard the other day and went and chatted with him. I noticed his drive was completely corroded. The skeg was half of what it should be and there was massive corrosion all over the upper and lower, especially at joint areas. He was complaining about his drive and corrosion. I talked to him about zincs, drive paint, and whether his mercathode was functioning. All of which was like I was speaking a different language to him. I looked at his trim rams and he couldn't even install the anodes there because the screw holes were corroded out. There is a real lack of knowledge out there. People should be required to join forums like this to get a clue....
Go Steelers!!!
Dream 'Inn III -- 2008 400 Express
Go Steelers!!!
2007 280 Rinker Express 6.2L B3
2007 280 Rinker Express 6.2L B3
You might have gotten another season out of them but imo they are starting to go.
So much depends on where you keep the boat and its shore power and other boat electrical systems and how many marinas you visit.
n my 2013 EC 310 mine were like that in August - I had put on my tanks for a look. So, I thought they're okay for a couple more months.
When I hauled it out in September they were way worse. I had visited a number of marinas from August to September and I have to assume at one or more of them there were poor electrical systems that took the start of erosion of the anodes and really accelerated it.
A very big marina near me, Kingston City Marina, has some terrible dock areas for electrical leakage and they know they have to do something. When we visit that big marina the visiting boaters and the regular slip renters are always talking about the iffy power supply. At first the marina denied it As boaters we knew there was a problem because we could see the low voltage and even worse the fluctuating voltage on our panels. At times our breakers would trip and we would have to run our shore power cords to another pedestal. So we knew the voltage was leaking from a lot of the pedestals. I guess that's what ate my magnesiums.....and at least we were lucky as the problem was obvious. The power is not reliable at a LOT of marinas but isn't that obvious so boaters wonder but aren't really sure.
BTW an "old salt" told me - "when you hook up to a shore power pedestal, have a look at your 110 volt meter in your panel. Is the voltage different from what it should be and normally at your home marina? Does it fluctuate? If so the location probably has iffy electrical source power and that is not good for your electrical equipment or your anodes/drives/underwater metals."
@jme097 - I'd rather replace my anodes a bit too soon than a bit too late.