RE: Bad Fuel - how?
Hi krosypal,
The enemy of glow fuel is humidity. Methanol is extremely hydroscopic (adsorbs moisture) and if your containers arn't sealed perfectly or you mix your home brew on a humid day you are asking for trouble (and very expensive weed killer).
Living in a very humid environment I have learn't ,(the hard way), to keep bottles full by decanting from my large drum of just mixed home brew into one litre fuel bottles with good seals and leve almost no air gap. These are stored in a tin cupboard kept in a cool shady place. In this way I don't ever have a large container partially full with a large air space of humid air. I do my mixing in the evening (cooler) on days that have low humidity. Treated in this way my fuel lasts at least six months when it is time to mix another brew as the previous mix has been used up.
Cheers,
Colin