You probably have all of the ingredients you need to make dishwasher detergent in the comfort of your own kitchen. Mary-Elisabeth is an associate writer on CNET's How-To team. She's a recent graduate ...

Have you been using the same sponge to handwash dishes for years? I’d hazard a guess that you haven’t. Even though a sponge is a tool that cleans other items — and I always squeeze and rinse it after ...