Although pure water has high solubility and the strongest affinity with human cells, it can promote metabolism. However, because pure water is separated and filtered drinking water, on the one hand, it filters out harmful substances in water, on the other hand, it also filters out minerals and trace elements beneficial to human body. So as to simply drink water.

For the problem of stones, most mineralized substances such as calcifications in boiling water form tea scale, and only trace elements beneficial to the body remain, so don't worry about stones.

It takes 3 minutes for water to be drunk after boiling. Of course, boiling water is not as long as possible, because the longer it is boiled, the more volatile harmful substances and nitrite in water will be concentrated because of the evaporation of water, and the content will be higher. Drinking such water is also harmful to your health.