Experts share step-by-step instructions for how to clean a washing machine (both inside and out)—plus how often you should do it ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Andrea Barnes Andrea Barnes is a writer covering large cleaning appliances.

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.

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This Bedroom Item Is Surprisingly Dirty—Here Are the Gross Things That Happen If You Don't Clean It Got an Area Rug? Here's the Biggest Mistake You're Making When Vacuuming It Here's How Long It's OK ...