LPT: Don’t put plastic storage containers like Tupperware, Rubbermaid or Gladware in the dishwasher If you hate the orange stains that come from red pasta sauces or chili, or green/yellow ones from pestos and curries, just hand wash your plastics. I don’t know if it’s the heat or the composition of the dishwasher soap, but I haven’t had a single stained container since I started keeping them out of the dishwasher. It might take a couple of swi…