The limited lifetime warranty is a large asset to this water ionizer. It has a wide array of pH selections and it has a user-helpful Exhibit. Want evidence? Just think about the water, which slowly but surely turns discolored in the course of the process. Some gunky crud may float https://allhealthmarket.com/product/home-care-2/oxygen-and-hydrogen-generator/hydrogen-water-generator-300ml-450ml-hydrogen-inhalation-machine-99-99-oxygen-and-hydrogen-generator-ionizer-home-care/