"Charles T. Low" wrote in message
news:nLksc.14493
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We're thinking of using a silicone caulk. I understand that some types are
better for marine use than others?

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I've seen the regular posters in the CL boats newsgroup recommend 3M 4200.
I understand it can be removed easier next time you re-bed all fittings. I
haven't used it myself.