Drinking water is a way for organisms to absorb water through their mouths. The daily intake of liquid through the mouth is about 2 liters. Water is mainly absorbed in the small intestine. After water enters the human body, it is mainly used to supplement intracellular fluid and extracellular fluid, and participate in various physiological activities of the human body. Therefore, drinking water is an important part of maintaining biological metabolism.
Tips for drinking water
1, look at the appearance of the barrel first.
First of all, we should observe the barrel body, which is generally transparent and mostly blue or white in color. The QS mark is marked on the upper left of the outer package, indicating the production date, shelf life and hygiene license.
Each barrel of pure water is marked with a shelf life of 45 days. Ordinary bottled water seals will indicate the production date and shelf life. Generally, it can be kept for two to three months if it is unopened. But once you open it, you'd better drink it within half a month.
2, slow water use may wish to "change big for small"
Ordinary families should choose suitable bottled water products according to the water consumption of family members. If they can't finish a standard barrel of bottled water (18.9L) in a week or two, they can consider buying small-sized bottled water instead.