“A crucial concept to understand about alkaline hydrogen water usually produced by water ionizers (unlike new devices that primarily use PEM membranes that don’t raise the pH) is the difference between its alkaline pH and its “alkalinity”.
ORP
When is ORP an antioxidant.. and when is it not?
The importance of ORP – Oxidation/Reduction Potential is hydrogen water generators is something you really need to understand before buying a water ionizer.