The dishwashing sponge is a staple in every kitchen, used daily for cleaning dishes, plates, and tidying up the table. Due to constant contact with dirty surfaces and water, sponges become breeding grounds for bacteria. However, most people change them not according to guidelines but when they get excessively dirty. How often should you replace a sponge to avoid exposure to microbes is explained by Sante. How often should you change a kitchen sponge If you can’t remember the last time you changed your sponge, that’s unfortunate. In reality, it should be replaced once a week. While this might s…