The scientists reported that simply microwaving sponges (completely wet, never dry) for two minutes at high power killed or inactivated over 99 percent of pathogens in sponges that had been soaked in a “witch’s brew” of fecal bacteria, viruses, protozoan parasites, and bacterial spores.
Are kitchen sponges sanitary?
Yes, your kitchen sponge is a huge and shady nightclub for bacteria. Like a nightclub, regular cleaning may help but many sponge owners don’t seem to be cleaning their sponges adequately. Microwaving or boiling the sponge in the laboratory helped significantly reduce the sheer amount of bacteria.
Does putting a sponge in the dishwasher kill germs?
According to the United State Department of Agriculture ( USDA ) microwaving sponges kills 99.99999 percent of bacteria present on them, while dishwashing kills 99.9998 percent of bacteria.
How long do you microwave a kitchen sponge to sterilize it?
Microwave Sterilizes Sponges
- Microwave only sponges or plastic scrubbers that do not contain steel or other metals.
- Make sure the sponge or scrubber is wet, not dry.
- Two minutes should be enough to kill most disease-causing germs.
Photo in the article by “Max Pixel”