Kitchen sponges are the dirtiest household item with over 75% containing fecal bacteria. They can be 200,000 times dirtier than toilet seats. Microwaving them can reduce the risk of spreading germs. Other dirty items include toothbrush holders, money, and personal items.
Research has shown that the dirtiest household item is often a kitchen sponge, with over 75% of all sponges containing potential fecal bacteria. Kitchen sponges have been found to be more than 200,000 times dirtier than toilet seats. The average kitchen sponge is thought to contain more than 10 million bacteria per square inch (6.45 square cm), which is typically a result of its humidity levels and the tiny crevices that allow germs to breed. The risk of spreading germs with a kitchen sponge can be reduced by using the microwave to kill bacteria.
Read more about dirty household items:
A toothbrush holder is often the dirtiest household item in the bathroom, with over 25% of all toothbrush holders containing bacteria.
Research shows that coliforms, a family of bacteria that contains E. coli and Salmonella, can be found in over 75% of all families.
Personal items that contain the most bacteria include money, with nearly 10% containing fecal bacteria, followed by cell phones, remote controls, wallets and keys.
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