... for purifying, activating and mineralizing water and air, such as tourmaline ceramic ball, water filter,water purifier, laundry ball, ... out various microelement that is necessary for human body, such as K, Ca, Zn, Mg, Fe, etc. Due to the ... the dissolving power, metabolism strength, toxicity elimination ability, as well as oxygen supply. Drinking active water can quickly adjust electrolyte balance ...