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. A person holds a dirty, old sponge in front of a pile of dirty dishes - Svetlyachock ...
You're probably not doing it often enough.
Despite being doused in hot, soapy water daily, sponges are the perfect breeding ground for microorganisms. Most of these are relatively harmless environmental bacteria that live all around us, but ...