Introduction: Tourmaline releases 0.06mA bioelectricity in the water and electrolyze bigger molecular group of water into smaller or single one so as to activate water. Eradiate more than 90% FIR (far infrared ray). Generate above 350p/cm3 anion. Make water presented alkalescence (PH is 7-7.5). Anti-bacteria and deodorization. Release mineral microelements. Diameter: Φ3-5mm, Φ6-8mm, Φ13-15mm Application: For various types of water purifier, drinking water dispenser, water supply system and equipments, aquaculture, etc.