... water molecules. 4,The use of German imports of ion-exchange membrane, to achieve ultrahigh purity of plasma. 5,Adoption ... , water regulates current flow. 2,Strong largecapacity electrolysis, automatic reversing electrode, cleaning electrobath automatically.3,Keep PH value ... color tips 7, Colorful display , PH value indicator 8,Automatic over-voltage over-current protection. 9,Original five-filtration ...