What is an ion spring? An ion spring is a machine that maximizes an oxygen system in order to sterilize and purify water and air us-ing anion and O3 .By providing anion, it can adjust the balance between cation and anion that is indispensable for the activities of every living creature and increases the synthesis of cytochrome C, a metabolic substance, which promotes the growth and development of anim-als and plants and reinvigorates its vitality by activating the metabolic process of enzymes such as iron.