A clogged or super dirty dishwasher filter This might be hindering your machine’s performance, resulting in splotchy glasses, Pleshek says. If the filter is not cleaned monthly with hot, soapy water ...

Let’s be honest: a lot of us still do it. We let a thin stream of water run over the plates before loading the dishwasher. It’s a habit inherited from older machines and from the idea that “clean” ...