Katya Mosely remembers the exact moment it all began, a few years ago. “It was my daughter’s piano teacher,” she says. “She had a 6-inch-long stick of charcoal floating in her glass water bottle. I ...

When I noticed green fuzzy things floating around the gallon water filter we kept in the fridge, I knew it was time for an upgrade. And though New York City is said to have grade-A tap water (it’s ...

For as long as I've lived in apartment buildings with older plumbing, I've relied on a water filter to make my tap water more palatable. My first choice was one of the best water filter pitchers, as ...