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Old 02-02-2021, 02:21 PM   #1
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Default Zinc's

How often do you change the zinc's on your outdrives? Our marine just told us every two years, previously we had gone much longer than that.
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Old 02-02-2021, 05:01 PM   #2
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Default Observation

Look at them. If they are showing signs of deteriorating, replace them. I think I had 3 on my Mariah. When one was looking a little worse for wear, I had all replaced.

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Old 02-02-2021, 05:09 PM   #3
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Default Zincs

Zincs last a long time in fresh water. Actually, I think its something else in fresh water and zinc for salt. Somebody will chime in with better info. If your boat is on a trailer or valet, change may be rare.
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Old 02-02-2021, 08:03 PM   #4
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Magnesium anodes
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Old 02-02-2021, 08:15 PM   #5
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Default Yup

Originally Posted by MotorHead View Post
Magnesium anodes
Yeah this if you only boat on/in fresh washer. New boats donít usually come with magnesium so you should check. If your boat has been in the water for a few years and they still look new they probably are not magnesium
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