1, the shelf life of barrel water after opening is generally about 15 days. The shelf life of opened barrels of water is about 15 days.
2, when unopened, the shelf life is 1~3 months. Opened bottled water placed more than 15 days, although there is no obvious change in the taste above, but the bacterial content of bottled water has exceeded the standard, such as drinking large quantities of easy to cause discomfort.