Grain whiskey is primarily distilled using what method?

Grain whiskey is primarily distilled using the column still method, also known as the continuous still or patent still. This technique allows for large volumes of spirit to be produced at a higher efficiency compared to pot stills, which are typically used for malt whiskey. The column still operates continuously, enabling a constant flow of mash to be processed, making it suitable for producing lighter spirits.

The use of column stills contributes to the lighter flavor profile of grain whiskey, which often has a different character than that of malt whiskeys, typically distilled in pot stills. Column distillation also allows for higher alcohol content and more refined spirits, which is essential in the production of many blended whiskeys that include a grain whiskey component. This method, therefore, aligns with the industrial-scale production often associated with grain whiskey manufacturing.