Eraser sponge Best for: Removing stains Materials and finishes: Hard, nonporous surfaces; sneakers. Do not use on nonstick coatings, granite, marble or high-gloss surfaces. Scratch Warning!

Microwaving a sponge may seem odd or counterintuitive at first. Here’s some reasons you might want to try it: You want to kill bacteria. Heat can weaken or kill microscopic colonies of common ...