Are Marelon through-hulls a good modern replacement for bronze or a failure waiting to happen? Common refrains are: “Okay above the waterline if you want to save money and weight, but I want bronze below the waterline,” or “Through-hulls are too important to the ship’s safety to save money on, fit bronze.” Is there a basis to this skepticism when it comes to “plastic” through-hulls? For example, do they have a record of failure? Have people used them and had problems or might this just be prejudice against new innovations?
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