A liquor cabinet is another popular option, but make sure you do not keep the bottle on display, where sunlight can reach it. Either the cork might disintegrate a bit, or the taste of whiskey will be affected, or both.
Once you open the bottle, the most important thing is to seal it tightly each time you put it back into storage. And to retain the best quality, use the original cap or cork. As for where to keep the open bottle, nothing changes. It can still sit in the pantry, kitchen, or the cellar. Of course, nothing ill will happen if you decide to keep the bottle in the refrigerator all the time. All the aging is done in the casks.
And the access to fresh air alters the taste of alcohol. Either way, unopened whiskey lasts pretty much indefinitely. As we mentioned earlier, whisky changes once the bottle is opened , which can alter the taste for the worse. If your bottle has a cork, you can get an additional cap on top to further protect your scotch against evaporation. However, your most crucial measure should be to keep an eye on the temperature to prevent your whisky from evaporating. If your bottle has a screw cap, remember to regularly retighten the bottle by hand, as they tend to loosen on their own over time, leading to increased evaporation.
Both of these methods stop air from getting into your open bottle of whisky, which oxidises your scotch. The existing air in the bottle, and any new air which may enter the bottle, slowly reacts with the whisky and changes its flavour profile. In the short term, this can either ruin the whisky or improve it, depending on your personal preference.
Over a prolonged time, however, oxidised whisky will lose its original flavour and colour, which you want to avoid. The best way to avoid oxidising your whisky, and changing the flavour, is simply to drink it. But once it reaches the halfway mark, this drops to just one or two years. Is whiskey like a fine wine that gets better over time or can it go bad?
Left sealed in the dark, whiskey and hard liquors can last for years. The high alcohol content in liquors that have been reduced via distillation protects them from molds and bacterium that will destroy the product once the bottle has been sealed. All whiskey varieties — including regular, rye, bourbon, scotch, and the famous Jack Daniels — have an almost indefinite shelf life when stored correctly, but there are things to consider for both opened and unopened bottles.
If there is around half a bottle remaining, you should drink it within six months. If there is a quarter or less left, finish it up within three months. Once opened, whiskey begins to evaporate. If the bottle stays unopened, vodka shelf life is decades. Vodka is a simple, stable spirit. There will be some contact with the outside air. After about 40 or 50 years, an unopened bottle of vodka may have lost enough flavor and alcohol content—due to a slow, consistent oxidation—to be considered expired.
But it could take years, too. Once opened, not a whole lot changes, surprisingly. Vodka is a durable spirit. The shelf life of opened vodka is around 10 to 20 years. Having opened the bottle, the seal will be weaker and the oxidation more rapid. Rapid, relatively. But whiskey can expire. You just have to open the bottle. And the more oxygen, the quicker the oxidization and the quicker the whiskey can go bad.
You can store it for decades. Again, that time frame depends on the amount of whiskey in the bottle. Unopened rum can last for decades upon decades. But once the bottle is opened, rum goes pretty fast.
Seaspirits Distillery, master rum distillers, recommend drinking a bottle of rum within 6 months of opening. There are worse fates. But tequila can go bad. Once opened, tequila should be enjoyed within a year. Gin can go bad if not enjoyed within about a year of opening the bottle.
If kept sealed, a bottle of gin can last indefinitely if stored out of direct sunlight in non-extreme temperatures. Unlike vodka, gin depends on the subtle flavors of botanicals.
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