The sponge ridges often accumulate dead skin, soap scum, and dust. To clean it, soak it in bleach for 5 minutes and then rinse it thoroughly.
The inside of laundry baskets gathers particles released from sweat or dirt from clothes. If you have a plastic hamper, clean it weekly with disinfectant wipes or warm water and baking soda.
We use the cleaner brush to remove dirt from the toilet, which also makes the toilet cleaner. But what about its handle and the container that holds it? All these parts can get full of bacteria, so cleaning them now and then with disinfectant wipes is also essential.