“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”.
![pH, ORP and Hydrogen: What a Water Ionizer Buyer Really Needs to Understand. cover](https://www.alkaway.co.uk/wp-content/uploads/Ph-scale-1_127c070bcadc2a052f3440dd3099d44b_2000.jpg)
“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”.