RE: Making Vodka from Potatoes
You could use any source of sugars to make vodka - it is at the end of the day just near pure alcohol added to clean water. Cheapest way to go would be to use plain white sugar and one of the turbo yeasts - I think some of them will ferment to 25% or so. Going for a higher % yeast means you are not going to have to brew as much in litres or gallons or whatever you measure in.
It is good practice to discard the first vapours and the tailings from a still, but I read a study someone had done and the actual amounts of bad stuff in the liquid were so small you would have to drink that much you would first die of alcohol poisoning before you were blinded.
However, it is the things at the beginning and end that give you the nasty hang over.
I have been brewing for 20 or so years and was going to do a write up on making spirit some time - just from a theoretical point of view, have never done it, it is a crime against the tax man, one of the few crimes the government will not stand for.
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