Most all marine gas is non ethanol I thought?
I know that's true on Raybob and the marina at GV told me theirs was non ethanol.
I usually fill my boat at RacTrac and add stabilizer. So far no problems on my 2 stroke Merc 50.
From Genesis: "And God promised men that good and obedient wives would be found in all corners of the earth."
Then He made the earth round...and He laughed and laughed and laughed!