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 and subtle overtones. You can quickly and easily make a top-shelf impact on any bottle. Toasting is a process measured in time and 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 and moisture, each of which falls into a range of values that meets our standard.