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Home » How to Test Eggs for Freshness

How to Test Eggs for Freshness

By Marybeth Feutz 17 Comments

Have you ever wondered how old those eggs in your refrigerator are? You can quickly and easily test eggs for freshness, and never wonder again!

Are These Eggs Fresh? from My Fearless Kitchen. Have you ever wondered how old those eggs in your refrigerator are? You can quickly and easily test eggs for freshness, and never wonder again!

How to Tell if Eggs Are Fresh

{Referral links are used in this post.}

We go through eggs pretty quickly in our house, but every once in a while I’ll end up with an egg carton at the back of the refrigerator. And I don’t always know how long it’s been there.

If you end up with stray eggs in your refrigerator (and you should always store eggs in your refrigerator), you can check the pack date or the sell by date on the carton to see how old they are. But what if you moved your eggs into a different container? What if you can’t read the dates on the carton? Then what?

Then just get out a glass of water and see what happens.

Eggs have a small air pocket inside, at the larger end of the egg. As the egg gets older, the air pocket gets larger. (This is why you should use older eggs to hard boil – the larger air pocket makes them easier to peel.)

When the eggs are just a few days old, the air pocket is very small and the egg will lay down on its side at the bottom of the water (the 11 day old egg, on the right of the photo below).

Are These Eggs Fresh? from My Fearless Kitchen. Have you ever wondered how old those eggs in your refrigerator are? You can quickly and easily test eggs for freshness, and never wonder again!

I bought that egg on September 28. It had been packed on day 261, or September 17. So that egg got from the farm to the grocery store and into my refrigerator in only 11 days. The sell by date is October 16, still 3 weeks away.

As the air pocket gets bigger, and the egg gets older, it will start to lift up off the bottom of the water. In the photo above, the egg that is 53 days old is still on the bottom of the jar, but it is upright instead of laying flat. The older the egg is, the larger the air pocket will be, and the higher it will float. The 170 day old egg on the left side of the photo is floating with the top sticking out of the water.

In the photo below, you can see how far out of the water the eggs will float. The 109 day old egg has less sticking out of the water than the 170 day old egg.

Are These Eggs Fresh? from My Fearless Kitchen. Have you ever wondered how old those eggs in your refrigerator are? You can quickly and easily test eggs for freshness, and never wonder again!

(Yes, I have been keeping these eggs in my refrigerator since April. They were in a carton clearly labeled “DO NOT USE!” I’ve been keeping them just for this experiment!)

This float test will tell you approximately how fresh (or how old) your eggs are. But it does not tell you if your eggs are safe to eat, or if they are still good. A good rule of thumb is that eggs will last for 4-5 weeks past their pack date. If they are stored correctly, eggs typically don’t spoil for a long time. But as that air pocket gets larger, the egg inside the shell can dry up.

Free Printable for How to Test Eggs for Freshness

Click here to download your free printable cheat sheet to keep in your kitchen!

Are These Eggs Fresh? from My Fearless Kitchen. Have you ever wondered how old those eggs in your refrigerator are? You can quickly and easily test eggs for freshness, and never wonder again!

If you notice any of these things, throw your eggs away immediately:

  • Sour odor to egg yolk or egg white
  • Fruity odor to egg yolk or egg white
  • Blue or green color to egg yolk or egg white
  • Eggshell feels slimy
  • Eggshell changed color
  • Powdery material on eggshell

If you aren’t sure how your eggs have been stored or if they are still good, it is best to throw them away. Food poisoning can be awful, and it’s much better to prevent illness than suffer through it.

What’s your favorite way to enjoy eggs?

4 Ways to Take the Fear Out of Your Kitchen

  • How to Store Eggs
  • What Does the Code on the Egg Carton Mean?
  • What’s the Difference Between Brown & White Eggs?
  • How to Hard Boil Eggs

4 Recipes to Try

  • Eggscellent Burgers
  • Slow Cooker Blueberry French Toast
  • Ham, Egg, & Cheese Muffins
  • Slow Cooker Breakfast Casserole

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Filed Under: Eggs, Holiday Tool Box, Kitchen Printables, Kitchen Tips, Tricks, & More, Where is My Food From? Tagged With: check egg freshness, check for fresh eggs, eggs, food, fresh eggs, freshness, kitchen hack, kitchen tip, printable, test for egg freshness, test for fresh eggs

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Comments

  1. Puddintain says

    04/03/2017 at 6:40 pm

    Good to know. Thank you Marybeth.

  2. FoodStalker says

    07/13/2017 at 7:48 am

    So do you think the egg that is still on the bottom but standing up is still good to eat?

  3. Marybeth Feutz says

    07/13/2017 at 11:09 am

    Eggs are still safe to eat for 1-2 weeks past the expiration or sell by date on the carton. That date needs to be 30 days (or less) from the date the egg was packed. So that means that you have around 44 days from the pack date. The egg that is on the bottom of the jar but standing on its end is 53 days old. I would probably still eat that egg, but would be sure to cook it thoroughly (no sunny-side up or over easy for this one). The “float test” does not tell you if the egg is still safe to eat – if you see any of the things in the bulleted list in this article (bad smell, off color, etc), then the egg should be thrown away.

  4. angie says

    07/21/2017 at 10:18 pm

    this is a great trick to know about thanks so much for sharing
    come see us at http://shopannies.blogspot.com

  5. Marybeth Feutz says

    07/27/2017 at 10:25 am

    Thanks for stopping by!

Trackbacks

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