Sparkling water per bottle of whiskey?

It is not recommended to mix sparkling water with whiskey. Sparkling water is carbonated, which can cause the whiskey to become flat and lose its flavor. Additionally, the carbonation in sparkling water can irritate the stomach and make it more difficult to drink the whiskey. If you are looking for a way to add flavor to your whiskey, try adding a few drops of water, a splash of soda water, or a twist of citrus.