Make sure your whisky stands tall. Whisky bottles should never be stored on their side, they should always be kept upright.

Store whisky at a consistent, cool temperature (ideally 15–20°C). Avoid fridges or freezers, which can dull flavour or affect texture.

Keep bottles in a dry environment. Heat and humidity can damage the seal and accelerate oxidation.

Once opened, minimise air exposure by sealing the whisky bottle tightly. If needed, swap the cork for a bottle cap, or transfer the whisky to a smaller container or a well-sealed decanter. 

This is important for unopened or recorked bottles. Every couple of months, gently tilt the bottle so that the whisky touches the cork. Soaking the cork with liquid from the bottle helps to keep the cork fresh and reduces oxidisation.

When agitated, whisky can lose flavour and aroma. Handle bottles with care and store them in a place where they are unlikely to be disturbed. Avoid cupboards near appliances like the washing machine where the vibrations can jostle the liquid in your whisky bottles.

Many of us have a particular bottle reserved for special occasions. If you’re intending to keep your whisky for a long time, it will retain more of its vibrancy if you decant it into a smaller bottle once there is roughly half left.

But why use a decanter for whisky? Well, whisky can oxidise over time, and lose some of its perceived character. By decanting it into a smaller bottle, there will be less interaction with the air. Transfer bottles with less than a third left into a new container or get some friends over for a whisky tasting party!

Technically whisky doesn’t go off or expire. Stored correctly, unopened whisky can last indefinitely; there’s a reason why so many rare whisky types and aged bottles are worth a bomb decades later! Unlike wine, whisky does not mature or change its flavour in the bottle over time.

Whisky doesn’t freeze under normal conditions thanks to its alcohol content. A typical 40% ABV whisky has a freezing point of around -27°C, far colder than a standard home freezer.

While it may become slightly thick or cloudy if chilled, this is usually due to dilution or temperature change rather than freezing. Freezing whisky isn’t recommended, as extreme cold can dull aromas and mute flavour.

But, once you open the bottle, you have a timeline before it goes bad.  Store in proper conditions and you can expect your whisky to last a couple of years.

The shelf life of open bottles of whisky is influenced by factors such as exposure to air, light, and temperature. Over time, the whisky may undergo gradual oxidation, which can alter its flavour profile. However, this process usually takes a long time, and many people find that the changes are minimal over the first few years.

However, you should try to finish half-empty bottles within 6 months. This is because when there is less whisky in the bottle, there is a larger surface area of whisky exposed to the air. The increased air-to-liquid ratio allows more oxygen to come into contact with the whisky, accelerating the oxidation process.

Whisky doesn’t go bad or become unsafe to consume in the same way that other liquids, like milk, do. However, over time, it can undergo changes that can put a dampener on your dram:

Unpleasant aroma and/or taste: If the whisky has a foul or off-putting odour, or if it tastes significantly different from its original state, it may have undergone changes that affect its quality.

Cloudiness: While whisky is generally a clear spirit, certain circumstances, such as extreme temperature changes or exposure to light and air, can cause cloudiness. However, this doesn’t necessarily mean the whisky is spoiled; it might just be an aesthetic change.

Sediment: Sediment or floating particles in the whisky could indicate a breakdown of compounds over time or that naturally occurring lipids have precipitated out of the solution due to cold storage temperatures. This is more common in older or cask-strength whiskies, and especially in non-chill filtered whisky.

Leaking or deteriorated seal: If the bottle has a damaged or deteriorated seal, it may allow air to enter the bottle, leading to increased oxidation and potential flavour changes. This doesn’t mean that the whisky cannot be consumed but its character may not be the same as when originally bottled.

Evaporation: If a bottle has been partially consumed over an extended period, there may be a noticeable decrease in the liquid level due to evaporation. This can concentrate the remaining whisky, potentially affecting its flavour.

If you notice any of the signs mentioned above, it’s a good idea to sample the whisky and assess whether you still enjoy its flavour. If in doubt, trust your senses, and if the whisky no longer meets your taste preferences, don’t drink it!