HI-TA 817 Water Ionizer model is Buder’s most advanced technology piece of innovation from Hitachi Maxell. With 7 solid platinum-coated titanium plates, it results in the best electrolytic ionization process and produces a wide range of strong alkaline water to strong acidic water, pH 2.7- pH 10.50 without add-on chemicals. It's patented auto-reverse cleaning feature makes Buder HI-TA 817 the darling product for the sellers and consumers.