However, we should pay attention to frequent observation. When the fermentation reaches a certain time, we need to open the bottle cap to vent, otherwise the pure water bottle will burst because of the expansion of fermentation.

After the mineral water bottle runs out of water, it can be used to hold bayberry juice, which is environmentally friendly, waste and reuse, reduces the cost and is convenient to carry. And if it is a plastic bottle, it may have a little impact on the taste, and the plastic may produce a little smell in high temperature and other environments.