Malt whisky whisky regulations require malt whisky to be made in pot stills using water and malted barley without the addition of any other cereals, and the whisky must be aged for at least three years in oak casks. The use of new barrels is not required. Caramel coloring can be added, but no other additives are allowed. Irish whiskey regulations are almost identical to Scotch regulations. Malt whiskey must be distilled in a pot still from a mash of 100% malted barley, which may be peated or unpeated in character, although unpeated malt is typically used. All Irish whiskeys must be
Small batch whiskey Small batch whiskey Small batch whiskey is whiskey produced by mixing the contents of a relatively small number of selected barrels. Small batch whiskeys are commercially positioned for the upper-premium market. The term is most commonly used for American whiskey but is sometimes used for other whiskeys as well. For example, the Bowmore distillery in Islay, Scotland, has produced a single malt Scotch whisky labeled as "small batch". American small batch whiskeys are typically aged from six to nine years in oak barrels, but more limited series that are aged up to 23 years are also available. There are generally