Significantly enhances the oak aging process that takes commercial distillers years to create. Suitable for Whiskeys and Bourbons plus Rum Brandy and Cognac. Mixing Instructions: Shake well before use. Ideal for Brandy, Whiskey, Dark Rum & Bourbon. Add 1ml to 5ml per litre to taste. Store Spirit for 7 - 14 days to allow Oak character to fully develop.