1, which does not contain any substances that are toxic and harmful to human body and have peculiar smell.
2. The hardness of water is between 30 and 200 (calculated by calcium carbonate).
3. The mineral content needed by human body is moderate.
4. the 4.pH value is 745 ~ 8, which is weakly alkaline.
5. Dissolved oxygen in water is not less than 7ml/L, and carbon dioxide is moderate.
6. The half-width of water clusters is less than 100 Hz (energetic small molecular water).
7. The medium nutritional physiological functions of water (solubility, permeability, diffusivity, metabolism, emulsifying power, cleaning power, etc.). ).