For centuries the world's most celebrated distillers have known charred oak barrels are essential for aging the best spirits. Now, the ability to achieve similar results directly in the bottle - adding color, complexity, smoothness & subtle overtones. You can quickly & easily make a top-shelf impact on any bottle. Toasting is a process measured in time & temperature, not color. Differences in darkness or lightness of identically toasted woods is due to natural differences in the wood before toasting, such as grain tightness & moisture, each of which falls into a range of values that meets our standard.