Sponges are a kitchen staple. They keep our dishes shiny, and our counters clean. But how often do you clean your sponge, and how do you do this? Don't just trash a sponge when it begins looking spotty. Instead, clean them weekly, and toss them out monthly or sooner, depending on frequency of use. DFW Properties would like to offer these tips from Good Housekeeping: Soak ‘em. Mix 3/4 cup of bleach...