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FishFinder 04-12-2009 01:09 AM

Should I replace this thru-hull??
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I was planning on replacing some of my thru-hulls, wasn't going to do this one originally but now I'm wondering if it too should be replaced? It looks ok to me on the inside but the outside looks scary ... never done this before so I don't know what is normal. Thanks.

badsanta 04-12-2009 01:15 AM

Is it rough because of pitting or is it from the paint? But if the others are bad and this is the same age I would do them all.

FishFinder 04-12-2009 01:26 AM

It does seem to have been painted (are these bronze thru-hulls supposed to be painted?) but I don't know what the metal is like under the paint.

sailingdog 04-12-2009 02:54 AM

Remove the paint and get the through-hull nice and shiny, and if you see spots that are pinkish compared to the rest, it has started to dezincify, and needs to be replaced. If that is the case, then you should replace all of the through-hulls as likely they're much the same age and probably in pretty similar condition. Here is a photo by Maine Sail that clearly shows the difference....

sww914 04-12-2009 03:27 AM

Great answer and a great picture.

sailingdog 04-12-2009 11:53 AM

Thanks... glad to help... but gotta give Maine Sail the cred for the photo... :) swiped it from his projects site. :)

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