This ensures the air to liquid ratio remains as small as possible, helping to slow the deterioration process.īut even though an open bottle will deteriorate with age, it’s still fine to drink. If you wish, you can decant the contents into a smaller container. Realistically, you can think that it’s okay to store an open bottle of Cognac for around six months before this deterioration becomes noticeable. The more air in the bottle, the faster this will happen. However, once the Cognac comes into contact with the air, it will gradually begin to deteriorate and evaporate. Regarding an open bottle, then there’s no official amount of time a Cognac can be stored before the quality will begin to fade. If you open a bottle of Cognac, how long will it keep? Indeed, room temperature is quite sufficient. In other words, no extremes of temperature. This is why a cellar often proves a hospitable place to store Cognac, with the temparature in such a place remaining fairly constant, as well as ensuring that the bottle isn’t exposed to any sunlight.Īnd when it comes to understanding the best temperature at which to keep your Cognac, then the most important thing to consider is that it’s constant. Bottles should be kept in the shade and in a cool place with no extremes of temperature – a cellar is ideal.īut, a word of advice – if the environment is too humid, the labels might suffer and come off the bottle – obviously not an ideal scenario. However, cork is not a substance that has an infinite lifespan, and if it’s not in contact with the Cognac at all then it might become dry. You may well have heard that the bottle must be stored in an upright position so the Cognac doesn’t come into contact with the cork, and this may well be correct. What is the best way to store my Cognac bottle? So, with regards to an unopened and sealed bottle of Cognac, if stored correctly then the contents will remain safe for a good amount of time. As we’ve reported many times, there are a great many people who’re investing in high-end Cognacs, rather than entrusting their money to the coffers of the banks. However, this doesn’t mean that it’s not worth buying an exceptional bottle and storing it for as long as you like. This means that storing a bottle for 10 years (or more) will not make it any older – the contents will remain the same age as they were when they left the barrel. The first thing to understand is that Cognac does not continue to age once bottled. So, in answer to the many requests for information on the subject, here are some considerations to take into account regarding best practice when it comes to storing Cognac. Another often raised question is, how long can you keep an unopened bottle of Cognac? How do I store a Cognac bottle? It’s a question that we’re often asked, and is something that many people have varying opinions on.