Sponges often have a hard time staying so fresh and so clean, especially when they're asked to do double duty. Who hasn't grabbed the dishwashing sponge at one time or another to clean up spilled milk on the kitchen floor? We've probably all done it, even though we know it's not a good idea. Mixing uses for sponges is a great way to spread bacteria. Instead of risking it, take a tip from my sister, who clips off a corner of her general cleaning sponge, which she uses for cleaning up counters and tabletops. By simply clipping a corner, she never accidentally uses that counter sponge for washing dishes, and thus, is able to keep her kitchen sparkling clean.