Before bottling, most distilleries add de-mineralized water to bring the whisky down from its natural cask strength (often 55-60%) to a consistent consumer strength like 40% or 43%. Scotch vs. Other Spirits: A Strength Comparison
Should you add water to your scotch? The answer depends on the ABV. how much alcohol is in scotch
One standard "drink" (a unit of alcohol) is roughly defined as a 12oz beer, a 5oz glass of wine, or a . Despite the small serving size, the scotch pour contains the same amount of pure alcohol as the beer or the wine. a 5oz glass of wine