A wet, dirty sponge sits in soapy water along with dirty dishes - Aditya Galang Mahafi/Shutterstock With every wipe, surfaces you mean to clean could end up dirtier than they were before you started.

Add Yahoo as a preferred source to see more of our stories on Google. While your sponge spends a lot of time submerged in water and other cleaning products, it’s not actually self-cleaning, which ...

With every wipe, surfaces you mean to clean could end up dirtier than they were before you started. Kitchen sponges, those handy tools we grab without thought several times a day, potentially harbor ...