The temperature of a deep freezer should be set at 0 degrees Fahrenheit. This temperature stops the growth of bacteria and preserves the nutritional value of the food.
Food that is not stored at the proper temperature runs the risk of spoiling. Spoiled food can cause a host of health problems. Though storing food in a deep freezer at the proper temperature can stop the growth of bacteria, it may not stop degradation of food quality. Freezer burn often occurs when food is stored too long. Though freezer burn does not make a person ill, the taste of the food may be affected.