I've switched my household over to using these instead: http://a.co/aQC3ljK http://a.co/aQC3ljK The reason why sponges are great for bacteria is their ability

I've switched my household over to using these instead: http://a.co/aQC3ljK http://a.co/aQC3ljK The reason why sponges are great for bacteria is their ability to hold water in little pockets. These dry out completely and much faster. The bacterial load won't be zero, but I suspect it will be much better than with sponges, especially with some judicious disinfecting. (Which I will be using the pressure cooker for!)