Boat fuel tank additive

I’ve always used Sea Foam

1oz Mercury Quickare + 1 oz Mercury Quickleen per 5 gallons of any gas.

Sea Foam. I have used it for year and with the exception of me trying to clean up a weed whacker engine that had been started with ether for years never had an issue with it.

I use it on my RV Generator regularly, about 50/50 blend from a gas can. You'd think that engine was burning up the way it smokes and bellows....but when its reconnected to the chasis gas tank it purrs like a kitten. Its an Onan 4000 and notoriuosly a lousy genset if it is not exercised like it should be...mine is almost trouble free....as much as any Onan product is....

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I have a 30 gal tank and only use non ethanol gas. I fill up after every fishing trip but only burn 5-10gallons.
What does the O-T recommend as a fuel additive to treat the gas and clean the injectors?
Thanks

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How long does it stay in the tank? I usually put what's left in my boat tank in my truck every 90 days or so. I used to do the same with 2 strokes and never had an issue. I do the same thing with gas for my lawn equipment....I try to buy what I will need for 90 days and when that time is up I pour it in my truck and buy more. I have had numerous issues with small engines and poor gas quality but I have never had an issue with a car or truck...

I keep 40 gallons of gas in our RV at all times, or nearly all the time, because an empty gas tank is prone to all manner of ill shite. We do not use the RV much anymore so that fuel sits a long time...it is an effort to get it out of the RV. I have siphoned 15-20 gallons out and used it in my truck over a couple of weeks but I usually pour a gallon of sea foam in it and use it the next time we use the camper. Never had an issue.

I use starbrite star-tron treatment.

Stabil Marine, and Yamaha Ring free.

Seafoam is magic.

I run regular gas and use yamaha fuel additive and run ring free once a year thru it. my boat sits up some and I never have an issue. I've never run ethanol free in my 300 yamaha outside of marina fuel and have had zero issues for 4 years.