I’d recommend the use of PRI-D for diesel, and PRI-G for gasoline over Sta-bil. Sta-bil is better than nothing, but doesn’t stretch the storage timeframe as long as the PRI products will.
I have a 250 gallon underground diesel tank. I have stored diesel for two plus years with no Stabil and no problems. An above ground tank would be a completely different situation of course. I would like to hear a bit more on your experiences with non ethanol gas storage.
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