Safety Alert: Nuking Sponges

by Diane Lofshult on May 01, 2007

News services reported recently that the best way to sterilize sponges at home is to heat them in a microwave oven for 2 minutes. After these reports were published, numerous people were unpleasantly surprised by igniting or exploding sponges. According to the original researcher, Gabriel Bitton of the University of Florida, the sponges should be the cellulose type, the microwave should not exceed a maximum of 1,100 watts of power, the power should be set to no higher than 90%, and the sponges should be fully soaked with water before being nuked. If performed properly, Bitton’s sterilization procedure should kill or inactivate more than 99% of bacteria, viruses, parasites and spores on a cellulose kitchen sponge.

Fitness Journal, Volume 4, Issue 5

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© 2007 by IDEA Health & Fitness Inc. All rights reserved. Reproduction without permission is strictly prohibited.

About the Author

Diane Lofshult

Diane Lofshult IDEA Author/Presenter

Diane Lofshult is an award-winning freelance author who specializes in nutrition and weight management topics. She is the founder of In Other Words, an editorial consulting firm based in Solana Beach, California. Reach her at