Study reveals: Dishwashing sponges carry billions of bacteria - that's how long they should be used. The number of bacteria only decreases for a short time.
In the case of useful kitchen utensils, one thing is clear: the sponge belong in the trash. There are various tips and instructions circulating on the Internet on how to clean the spONGes. The dishwasher, washing machine and microwave are all mentioned as options for cleaning the utensil. The refrigerator is also considered a killer germ - but with a few tips it can be cleaned.