Put it in the washing machine tub before starting it: you’ll be surprised

During this time the tray remains wet, the residual dirt dissolves and the surfaces are freed.

Washing machine
Put the plastic bag in the bin
For greater efficiency, place a plastic bag in the washing machine tub and wrap it carefully. Leave the tub in the bag for another 10 or 15 minutes . After the time has passed, remove the plastic bag and you will see that you have obtained an incredible result .

The bin will be even cleaner, but to remove any residue, take an old toothbrush that you no longer use and carefully clean the walls of the slot , where dirt and mold sometimes hide.