What Temp Does Food Start To Go Bad. “milk should never be left out at room temperature. You see, bacteria thrive between 41 f and 140 f, a range of temperatures that are known as the temperature danger zone.
The danger zone is defined as 5 to 57.22 °c (41.00 to 135.00 °f) by food safety authorities such as the food safety and. 48 hours in a full freezer; 55 to 85 degrees f (dangerous):