You're hearing more and more talk of "Single Barrel Tequila these days, however single barrel has a different meaning in the tequila hobby than it doe in the American whiskey hobby.  Let's explain, "What is a Single Barrel Tequila?" vs "What is a Single Barrel Whiskey?" As you likely already know, tequila is the fermented juice of the blue agave.  After fermentation the liquor is distille... more.