I routinely add a biocide (Biobor) and a fuel lube and cleaner (Option-lube XPD) to my diesel fuel tank. But I don’t use much diesel in a season. I realize that I add stabilizer to my gas tanks (Stabil) for the outboard and home generator, but have never added a stabilizer to my diesel tank. What do others do? Dave
David Knecht S/V Aries 1990 C&C 34+ New London, CT
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