How Often Should You Be Replacing Your Microwave Filter? - Chowhound

Anne Kitzman/Shutterstock We may receive a commission on purchases made from links. This is a no-judgment zone: When's the last time you cleaned your microwave? A lot of us aren't cleaning it often enough, or perhaps not as thoroughly as you need to. Even if you're following the right protocol by not putting hazardous items in the microwave or giving it a good scrub now and again, there's one part of the machine…