... is one kind of non metal mineral, which is widely used for medical treatment, industry, food, drink and plant, etc. Due ... Stone still can adjust and balance PH of the water, which is good for the growth of biology. It can lower florin and remove ... beer, wine and making tea, and pickling alcohol, etc) and plant, etc. Main ingredients: Tourmaline, maifan stone, inorganic antibacterial agent. Functions ...