How Long Does Whiskey Keep Once Opened? In the simplest terms, it lasts almost forever. Distilled spirits don’t spoil.
But in practice, a bottle of whiskey doesn’t last forever. (Ah, if only!) Once you open a bottle of whiskey, exposure to light, air and temperature fluctuations start to change its flavor.
Initially, that can be a good thing. We’ve all had the experience of opening a bottle, tasting it right away and not particularly enjoying its contents. Coming back to that same bottle a month, we find a spirit that feels much more integrated and cohesive on the palate.
read more on drinkwire.liquor.com