General natural mineral water and ice spring water are weakly alkaline, and common weakly alkaline water in the market includes Evian, Bama Lilang, Evian, Kunlun Mountain and Evergrande Ice Spring. Nongfu Spring is also weakly alkaline, with a ph of 7.3+/-0.5.

In the market, except Nongfu Spring, which is weakly alkaline, Nestle has a kind called "Deep Spring", and its package clearly says pH7.5~8.5, but other brands with weakly alkaline are basically made of distilled water mixed with mineral liquid. ?

Alkaline water: Alkaline water is not simply water with alkaline substances. Alkaline water has a good physical therapy effect on indigestion, gastropathy and constipation. In foreign countries, especially South Korea and Japan, it has become a habit to drink alkaline water daily. Alkaline water equipment using ion exchange method is used as medical auxiliary equipment in South Korea.