A water ionizer machine uses metallic plates to the ionization process. Most use titanium plates coated with a layer of platinum. Some industry experts feel that plates dipped in platinum allow for that best conductivity, producing them more practical than These just sprayed with a platinum coating. Tyent develop ionizer https://allhealthmarket.com/product/home-care-2/oxygen-and-hydrogen-generator/hydrogen-inhalation-machine-300ml-450ml-oxygen-and-hydrogen-generator-99-99-hydrogen-water-generator-ionizer-home-care/