Quality of mineral water (Na, Mg, K, Ca, water hardness, and pH)in Japan was shown in a map.
Data were collected from products in 2017-2024.
(Updated: 06/01/2024)
【1】 Sodium (Na)
【2】 Magnesium (Mg)
【3】 Potassium (K)
【4】 Calcium (Ca)
【5】 Water hardness
【6】 pH