We asked green cleaning expert Becky Rapinchuk for her top tips on how to keep yours fresh and functional. If you don’t use it as often, it’s still a good idea to empty it and let it dry between uses, but you may only need to clean it after five or so uses, or as soon as you notice any residue buildup around the tank. Always stick to white vinegar when you’re cleaning the tank of the machine, as anything else (such as soap or detergent) may leave a residue that can be dispersed into the air: Safety note: White vinegar and bleach do not play well together. They can cause potentially dangerous chemical reactions when combined, so be sure to run your machine a few times between cleaning and disinfecting to be on the safe side.

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