How to clean a humidifier

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The Appliance That Needs TLC to Keep You Healthy
While pumping moist air into your bedroom can help your sinuses and skin in dry climates and seasons, humidifiers can also have the opposite effect when they aren't properly maintained. If you have one that's dishwasher-safe, the tank and tray are probably fine on the top rack. With daily use, a good rule of thumb is to wash the tank and tray daily, or at least every other day.