Simple fix, stop leaving your tank in the rain. All these products work and work very well. However can only do so much. There is a point where the percentages of absorption out power the ability of the fuel treatments to counter it.No I Leave my Plastic tank Out in the weather
I agree. I stop by the marina with a jug or two and buy gas there. Since I started doing that, my engine runs much better, and I am helping (although not very much) the local marina.Even easier fix; head down to a local marina and buy gas there as it had no ethanol in it. Fill a 5-gallon tank or two and have it at the ready.
-T