What temperature kills bacteria?
Bacteria can live at a WIDE range of temperatures, depending on what species you are talking about. Generally, it is recommended to bring bacteria-laden water to a rolling boil for at least 5 minutes to kill off all bacteria. Freezing them is generally not a good way to kill them, just stop them from growing. There are bacteria called thermophiles which can withstand very high temperatures for a very long period of time. But most will be killed in a nice pot of boiling water.
