
People love alkaline water for its ultra-hydrating, pH-balancing abilities. But before you start sipping the trendy drink, read up on the chemistry behind it
Celebrities like Miranda Kerr and Mark Wahlberg are drinking it to stay hydrated, but is alkaline water really worth the hype? Even more—what the heck is it? (While we’re on the topic of alkaline, Is the Alkaline Diet the Real Deal?)
Alkaline water is different from tap because it’s less acidic—it has a pH over seven, meaning that it has a lower concentration of hydrogen ions, explains Alyse Levine, R.D., founder of the Eating Reset Plan. Time for a basic chemistry lesson: “All liquids have a measure of acidity, which is determined on the pH scale.