USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperLast reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
Storage temperature, initial freshness, and how they have been handled change the answer — and those details are easy to miss.
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Check Your Exact SituationDiscard them after the expiration date.


Fridge
4°C (40°F)
Keep in breathable bag, not submerged in water
Consistent cold storage is essential for food safety. A refrigerator thermometer (Amazon) helps monitor refrigerator temperature and ensures food stays at safe levels (40°F or below).
3 days
Shells won’t close when tapped, foul smell
Proper packaging helps prevent freezer burn and contamination. Using freezer-safe storage bags (Amazon) can help preserve food quality during freezer storage.
None - discard if spoiled
Clams, scallops
The expiration date for mussels is crucial as they are highly perishable seafood. Mussels should be cooked and consumed within 1-2 days of purchase to ensure freshness and safety. Best quality, on the other hand, refers to the peak flavor and texture of mussels. While mussels may still be safe to consume after the expiration date if stored properly, their quality may deteriorate, leading to a less enjoyable eating experience.
To determine if mussels have gone bad, look for any that are open or cracked. They should be tightly closed when fresh. Additionally, a strong fishy or sour smell is a sign of spoilage. Avoid any mussels with a slimy or gritty texture, as this indicates they are no longer fresh.
Mussels can pose a risk of foodborne illness if not handled and cooked properly. They are filter feeders, meaning they can accumulate harmful bacteria, viruses, and toxins from the water they live in. To reduce the risk of illness, it is important to only consume mussels from reputable sources that follow strict harvesting and handling practices. Additionally, ensure that mussels are thoroughly cooked to an internal temperature of at least 145°F (63°C) to kill any harmful pathogens.
To store mussels properly, keep them in a breathable container such as a mesh bag or a bowl covered with a damp cloth in the refrigerator. Do not store mussels in an airtight container or in water, as they need to breathe. Discard any mussels with broken shells or that do not close when tapped before cooking. Before cooking, rinse mussels under cold water and remove any beards or debris. To enhance the flavor of mussels, consider cooking them with aromatic ingredients like garlic, shallots, white wine, and fresh herbs.
Mussels have been a staple in many cultures around the world for centuries. They are a popular ingredient in dishes such as Moules Marinière in France, Spaghetti alle Cozze in Italy, and Ginataang Tahong in the Philippines. Mussels are also known for their sustainable farming practices, as they help improve water quality by filtering out impurities. In some cultures, the shells of mussels are used for decorative purposes or in traditional crafts.
Mussels should be consumed within 3 days of refrigeration to ensure safety. After 3 days, the risk of bacterial growth increases significantly, leading to potential food poisoning. It's best to discard Mussels that have exceeded the recommended shelf life to avoid health risks.
Leaving Mussels at room temperature can accelerate bacterial growth and spoilage. If Mussels have been kept at room temperature for more than 2 hours, it's safer to discard them. To maintain freshness and quality, always store Mussels in the refrigerator at temperatures below 40°F (4°C).
The type of container used for storing Mussels can influence its shelf life. Opt for breathable containers or packaging that allows airflow to prevent moisture buildup, which can lead to faster spoilage. Avoid storing Mussels in airtight containers as it can promote bacterial growth and reduce freshness.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionStorage: Fridge
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Storage: Fridge
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Storage: Freezer
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Storage: Fridge
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Storage: Fridge
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Storage: Fridge
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Storage: Freezer
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Storage: Fridge
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Storage: Fridge
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Important: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.
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