It’s one of the germiest spots in the house. 

By Katie Holdefehr
August 08, 2017

After thinking for years that a quick stint in the microwave could rid dirty kitchen sponges of germs, a recent study published in Scientific Reports is causing us to rethink everything we thought we knew about sponge safety. According to the German study, regularly sanitizing sponges by popping them in the microwave or boiling them in water doesn’t make them germ-free, and in fact, two types of bacteria were more prominent on the “sanitized” sponges than on unwashed ones. As new research identifies sponges as “microbiological hot spots,” we thought it was a good time for a refresher on the right way to care for sponges. While no kitchen sponge is completely devoid of germs, here are five guidelines to follow.

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