McKenzie Pure Potstill Whiskey is our take on an Irish-style whiskey soft, smooth and easy drinking. We use a combination of locally-grown barley, malted barley and oats. The whiskey is aged in our used bourbon and rye barrels and bottled at 80 proof. Master Distiller Thomas Earl says, Our potstill whiskey is a richer version of the commercial Irish whiskies on the market. Its full of flavor, but smooth as silk.