· Blenders International · Water Science
Water-to-whisky ratio by style — how much to add to bourbon, single malt, and Indian whisky
There is no single magic number, but the science and the master blenders agree on a useful anchor — roughly 80% whisky to 20% water — and on how far each style will bend from it. Here is a ratio guide for bourbon, single malt Scotch, and Indian single malt, and why the water you pour matters as much as the amount.