[header] How to refrigerate foods safely [title] Avoid packing your refrigerator tightly. [step] Packing loosely allows the cold air to circulate. [title] Use an appliance thermometer to monitor the real temperature inside your refrigerator and your freezer. 
[substeps] The refrigerator should be at 40 ° f (4 ° c) or below, but above 32 ° f (0 ° c). Your freezer should stay at 0 ° f (- 18 ° c).