Ethanol is an alcohol, if you add another alcohol-based de-icer or water remover to gas that is already 10+% ethanol you might be doing more harm than good. The more alcohol of any kind added to gas the more the gas/alcohol blend will pull water from the air into the gas.
2008 F-350 Super Duty Dually gas guzzler
14x7 landscaping trailer
12x6 P&T hydro dump trailer w/leaf box
We run Gravely ZTRs, Honda 21"s, Kawasaki trimmers, Redmax Backpacks, LittleWonder loader