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Organize your freezer safely in six steps at -18°C

Check freezer temperature with a thermometer, package and date food by category, and avoid blocking air circulation.

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Wikimedia Commons · Tiefkuehlfan / Wikimedia Commons (CC0 1.0) · CC0 1.0 Universal ↗

The FDA advises maintaining the freezer at 0°F (-18°C) or below and checking an appliance thermometer. FoodSafety.gov freezer durations are primarily quality guidelines for continuously frozen food, not blanket guarantees of safety. Power outages and thawing require separate evaluation.

Your try-it-at-home checklist

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1. Put a freezer-rated thermometer inside and verify an actual temperature at or below 0°F (-18°C); the dial number is not a measured temperature.
2. Review older food and mark package contents and freeze dates. Do not taste questionable thawed food to determine safety.
3. Separate meat, fish, vegetables and prepared dishes in freezer-suitable packaging or sealed containers; label contents and dates.
4. Keep frequently used items accessible and rotate older packages forward. Use FoodSafety.gov storage time charts as quality guidance, not automatic safety guarantees.
5. Leave vents unobstructed and enough space for drawers and doors to close fully. The FDA cautions against crowding the freezer so tightly air cannot circulate.
6. Check temperatures and door seals about weekly. After an outage, use FDA guidance on temperatures and remaining ice crystals rather than judging food safety by appearance or smell.

U.S. Food and Drug AdministrationAre You Storing Food Safely? ↗Official FDA original: keep freezer at 0 F (-18 C), do not crowd air circulation, use appliance thermometers, handling after power outages.FoodSafety.govCold Food Storage Chart ↗Official US food-safety chart: freezer quality storage durations at continuous -18 C; different food types have different quality windows.Wikimedia CommonsFile:No frost.JPG ↗File description shows Tiefkuehlfan CC0 1.0 original photograph of four-drawer domestic freezer.Wikimedia CommonsCommons:Reusing content outside Wikimedia/technical ↗Hotlink permission separately verified from CC0 file declaration.

Your try-it-at-home checklist

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