“The dishes are clean, but with a white coating”: Technological reasons behind dishwasher residue

You’ve probably seen it: dishes that seem clean but emerge from the dishwasher with an annoying white film. Many assume the culprit is hard water or low-quality detergent. While those are valid suspects, there are also important technical reasons that are often overlooked. If you’re using good detergent and rinse aid, and your water is […]