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After feeding, promptly refrigerate leftover wet cat food in a tightly covered can or clean, covered food-safe container—or discard it if you cannot refrigerate it. Keep the refrigerator at 40°F or below. For unopened cans, choose a cool, dry storage spot below 80°F. Follow the product label for how long opened food can be kept; FDA guidance does not set one universal refrigerator life for opened wet cat food.
How to store wet cat food in 11 steps
- Read the label. Check for storage directions and a product-specific period for using food after opening.
- Store unopened cans properly. Keep them in a cool, dry place below 80°F, away from excessive heat and moisture. FDA gives this temperature as guidance for unopened canned pet food: Proper Storage of Pet Food & Treats.
- Inspect the package. Do not use a can or pouch that is swollen, leaking, or otherwise damaged.
- Wash your hands and use a clean utensil. FDA recommends washing your hands before and after handling pet food and treats, and using clean utensils.
- Serve only what your cat needs. This limits the amount left over to store or discard.
- Refrigerate leftovers promptly. Put uneaten canned or pouched food in the refrigerator, or throw it out if refrigeration is not practical. FDA’s pet-food guidance says to refrigerate promptly but does not set a cat-food-specific number of hours for opened leftovers.
- Cover the food tightly. You can cover the original can or transfer the food to a clean, food-safe container with a secure cover.
- Keep the refrigerator at 40°F or below. A refrigerator thermometer can help you check the temperature, but it is optional.
- Follow the package’s opened-food directions. If the label does not say how long the food can be kept after opening, ask the manufacturer. FDA’s pet-food storage guidance does not give a universal number of days for refrigerated opened wet cat food.
- Clean bowls and utensils after feeding. Wash and dry the bowl after each use; wash and dry pet-food scoops or measuring utensils after each use. See FDA’s Tips for Safe Handling of Pet Food and Treats.
- Stop feeding food that seems problematic. Discard food with a foul odor or other warning signs; do not rely on appearance or smell alone to establish that stored food is safe. If your cat becomes ill, stop feeding that product and contact a veterinarian. For a suspected product problem, FDA advises contacting the agency and the manufacturer.
How soon should you refrigerate wet cat food?
Refrigerate leftovers promptly, as FDA’s pet-food guidance instructs, or discard them. FDA’s general food-safety guidance says perishable foods should be refrigerated within two hours, or within one hour when the air temperature is above 90°F. Those times are general food-safety context, not a cat-food-specific shelf-life rule. See Are You Storing Food Safely?.
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How long does opened wet cat food last in the fridge?
There is no universal number of days established in the FDA pet-food storage guidance. Check the product label for its instructions after opening; if it does not give a time period, contact the manufacturer rather than assuming a general leftovers guideline applies to your cat’s food. When the label’s directions cannot be confirmed or you are unsure about the food, discard it.
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Can you leave wet cat food in the can?
Yes. You can refrigerate leftovers in the original can if you cover it tightly. Alternatively, transfer them to a clean, food-safe covered container. A purpose-made can cover is optional; what matters is a clean, secure cover and prompt refrigeration. Choose the method that is easy to clean and closes securely.
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What should you do if the food or package seems unsafe?
Do not use a swollen or leaking can or pouch, and do not feed food with a foul odor or other signs of a problem. If your cat becomes sick after eating a product, stop feeding it and call a veterinarian. Keep the product packaging when possible, including its lot number and best-by date, and report a suspected issue to the manufacturer and FDA. FDA says fewer than half of the pet-food complaints it receives include a lot number; the agency explains that the lot number can help identify when and where a product was made and address a specific problem. FDA veterinarian and pet-food expert Lauren Carey says, “When you file a complaint about a pet food, the lot number and ‘best by’ date, along with the full product name, are important for you to provide.” Details are available on FDA’s pet-food storage page.
Quick Recap
Best Value
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Rank #3
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- 8-in-1 Formula - Zesty Paws Multifunctional Bites are functional supplement chews with premium ingredients that support physical performance, antioxidants, hip & joint, heart, immune, skin, liver, & gut health for dogs of all ages, breeds, and sizes.
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