It's about temperature, not looks or smell. And never taste food to see if it's still good.

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When the power goes out, it's important to know what you can and can't keep in your refrigerator and freezer.

GREENSBORO, N.C. -- You're reading this so you might or might not have power. If you're one of the unlucky ones, let's talk food in your fridge and freezer.

According to FoodSafety.gov, you need to throw away anything that's been at 40 degrees for more than two hours no matter how it looks or smells. There are a few things like butter, juice, processed cheese and condiments that are still good. But bottom line - never taste it to see if it's still good!

Read: List Of Foods To Save Or Throw Out

Now to the freezer: Check for ice crystals. If there are ice crystals - that is a good sign. You can still eat or refreeze food that has partially or completely thawed and still contains ice crystals.

Here are the important words to live by: When in doubt, throw it out. I know - I hate wasting money by throwing out food too. But food safety experts say eating spoiled food can cost - your health, possibly a doctor bill and time off from work.

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