Best Refrigerator adjustment to keep food fresh!
The Ideal Refrigerator Temperature is actually lower than aim to stay between (1.7 Degrees Celsius – 3.3 Degrees Celsius) this temperature range is as close as you can get to freezing without being so cold your food will freeze.
Keep your appliances at the roper temperatures. Keep the refrigerator temperature at or below 40° F (4° C). ... The longer they're stored in the refrigerator, the more chance Listeria, a bacterium that causes foodborne illness, can grow, especially if the refrigerator temperature is above 40° F (4° C).