As an expert sommelier and brewer, I can assure you that the shelf life of opened mead can vary depending on its type and storage conditions. Mead is a versatile and diverse beverage that can range from still to sparkling, sweet to dry. Therefore, it's important to consider these factors when determining the lifespan of opened mead.
For classic meads, which are still and typically have a higher sugar content, an opened bottle can easily last three or more months. This is assuming that the mead is stored properly at room temperature or refrigerated. It's important to keep in mind that mead is a fermented beverage, and like other alcoholic drinks, it can spoil if not stored correctly. To maintain its quality, it's best to store opened bottles in a cool place away from direct sunlight.
On the other hand, sparkling meads, which undergo a secondary fermentation process to produce bubbles, have a slightly longer shelf life when unopened. An unopened bottle of sparkling mead can last 1-2 years if stored in a cool place away from direct sunlight. The carbonation in sparkling meads helps to preserve the beverage and extend its lifespan. However, once you open a bottle of sparkling mead, it's recommended to consume it within 24 hours to enjoy it at its best.
It's worth noting that these are general guidelines and individual batches of mead may vary. Factors such as the specific recipe, alcohol content, and storage conditions can all influence the lifespan of opened mead. Additionally, mead can continue to age and develop flavor profiles over time, so you might find that you prefer the taste of a bottle that has been open for a few weeks compared to when it was first opened.
In my personal experience, I have found that keeping opened bottles of mead in the refrigerator helps to preserve their quality and extend their lifespan. I have enjoyed meads that have been opened for several months and still found them to be delicious and enjoyable. However, it's important to trust your senses and use your judgment when determining if a mead is still good to drink. If you notice any off flavors, strange odors, or changes in appearance, it's best to err on the side of caution and discard the mead.
To summarize, opened bottles of classic meads can last three or more months at room temperature or refrigerated, while unopened bottles of sparkling meads can last 1-2 years if stored correctly. Once opened, it's recommended to consume mead within 24 hours for optimal taste. However, these are general guidelines, and individual batches of mead may have different lifespans. Trust your senses and use your judgment when determining if a mead is still good to drink.