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How To Disinfect A Kitchen Sponge
Kitchen sponges and washclothes can contain as much as 10,000 bacteria per inch - including dangerous pathogens like E.coli and salmonella. Washing them doesn't disinfect them. But nuking them in a microwave for just 2 min. can kill 99% of bacteria, according to a study in the Journal of Environmental Health. A research team at the University of Florida did the research. For the idea to work, you must first soak the sponge in water, otherwise it might burst into flames.

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2008 - Volume #32, Issue #2