Checking for Fusels

Jack recommends a simple (no chemicals needed) test to check for the presence of fusels :
    I came across this "test" to see if spirits contain a large amount of heads/tails. It requires no chemicals (mention permanganate salts in California and everyone thinks your running a drug lab or something), and no skill. Heres how:
    • Take a glass that you would normally drink out of and rinse it heavily with water- there should be no soap residue. Then dry the cup with a clean towel (to prevent mineral salts from being left behind after the water evaporates).
    • Pour in a little of the spirit you are testing, and swirl the glass around until the spirit has totally coated the inside of the glass.
    • Once there is a thin "film" of alcohol covering the inside of the glass- pour out the excess alcohol (drink it), and leave the glass somewhere where it won't be broken.
    • The next morning, smell the glass -
      • If there is a nice perfumed aroma (for aged or other flavored spirits) or absolutely nothing (for vodka), congratulations- you've made good booze.
      • If there is any brackish, sour, solvent-like, or wet cardboard flavors- shame on you- you got greedy and ended up with heads or tails in your spirit.
    That's all there is to it. Suprisingly effective test, considering how easy it is.


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