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Author Topic: Anodes  (Read 504 times)
186CAP
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Location: Indiana
Boat: 1989 Rinker Captiva 186
Posts: 18
« on: August 03, 2010, 11:25:14 AM »
I think I need to change the anodes on my sterndrive.  Most of the marina's are selling zinc anodes but everything I've read said that if you are only boating in fresh water that I need magnesium anodes.  The zinc anodes are less money.  Originally this mercruser engine came with zinc but I've read somewhere that they too are saying to use mag.  Can anyone offer advice why zinc is still being sold for landlocked states with only fresh water?
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Never Satisfied
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Location: Lake Winnipesaukee, NH
Boat: 2008 350 EC
Boat name: Never Satisfied III
Posts: 174
« Reply #1 on: August 03, 2010, 12:24:08 PM »
I have always heard Magnesium for freshwater.  I just installed mag zincs on my boat this spring.
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DaleM
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Location: Blue Island, Illinois
Boat: 2000 Rinker 270 Fiesta Vee
Boat name: Open Seas'n
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« Reply #2 on: August 03, 2010, 05:38:51 PM »
You'll get the right ones here:  www.boatzincs.com
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Armed and ready for the revolution.  If no one wants to lead......follow me!!!
alswagg
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Location: Syracuse Indiana
Boat: Supra Beast
Boat name: Beast
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« Reply #3 on: August 04, 2010, 08:41:43 AM »
Magnesium in fresh
Zinc in brackesh
Aluminum in Salt

Good luck  Al
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186CAP
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Location: Indiana
Boat: 1989 Rinker Captiva 186
Posts: 18
« Reply #4 on: August 04, 2010, 10:29:47 AM »
Thank you.
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hanzelvh
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Location: Netherlands
Boat: Rinker 280EC
Boat name: BiXmile
Posts: 147
« Reply #5 on: August 05, 2010, 04:14:09 PM »
He Al,

In my opinion it must be the Aluminium in brackesh and the Zinc in salt?? Mag in fresh is OK.
From experience also in fresh water the Alu are doing their job.
See my earlier reaction on the standard delivered Zinc anodes which costed me almost a drive within 1 year on fresh.
Risk with the Mags are in case your boat is in brackesh or salt even fort a very short time, they are gone within few days. If you do not notice that, you have big problems.

Hans
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BiXmile (2007 280 EC with Volvo Penta D4)
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