Originally Posted by pan6467

You can fill it with anything that kills bacteria and let it set over night. Rubbing alcohol works, as does Hydrogen Peroxide.

But the tell tell sign is the stench, it is truly stinking that badly, it could have residue which can be worse than what was growing.

If the pot was inexpensive or you can find another one pretty cheap, get rid of it. It's better to be safe when dealing with what you eat than sorry.