Glass restorers can’t stop repeating it: this powder in the dishwasher drawer is what turns your tumblers permanently cloudy
Professional glass restorers agree: the culprit ruining your favorite tumblers isn’t hard water—it’s the detergent powder in your dishwasher drawer. Once etching sets in, no amount of vinegar or scrubbing can reverse the permanent molecular damage. Here’s what you need to know to protect your glassware.