Ensuring food safety and maximizing shelf life in a refrigerator involves understanding optimal storage practices and temperature settings. To maintain freshness, it is crucial that your refrigerator is consistently set at or below 40°F (4°C). Perishable items such as meat, dairy, and leftovers should be kept on lower shelves to maintain a stable, colder environment. Utilize airtight containers to prevent cross-contamination and odors from affecting other foods. Regularly check expiration dates and consume older items first to minimize waste. Organizing your refrigerator properly can not only extend the life of your food but also maintain its safety for consumption.