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Well, I finally placed my order for the new FMT fuel tank. Now the big question is "how to prevent corrosion from happening again?" It seems like the design of the deck plates above the tank and vent hose are pretty conducive to allowing water into the tank cavity. So if water is going to come into the cavity, how do we get it out?

My idea was to add a thru-hull scupper from the aft bulkhead to the bilge. Theoretically, water will be able to drain into the bilge and the scupper valve will keep bilge water from getting into the tank area.

Anyone tried this? Are there any glaring problems with this design?

Thanks in advance.