How to Tell if Egg is Bad

Determining whether an egg has gone bad is essential for food safety and quality. Luckily, there are several reliable methods to check the freshness of an egg. One of the simplest ways is the water test. Fill a bowl with water and gently place the egg in it. If the egg sinks to the bottom and lies flat on its side, it’s very fresh. If it stands upright at the bottom but doesn’t touch the sides, it’s still fresh but not as new. However, if the egg floats to the top, it’s likely gone bad and should be discarded.

This happens because as eggs age, the air cell inside expands, causing them to float. Another method involves listening to the egg. Shake it near your ear, if you hear sloshing or a noticeable sound, it’s a sign that the egg has likely deteriorated. Lastly, you can also crack the egg onto a plate or into a bowl. A fresh egg will have a high, round yolk, and a firm, thick egg white. In contrast, a bad egg will have a flatter yolk that breaks easily, and the egg white will be thin and watery. Always trust your senses and use these methods to ensure you’re using fresh and safe eggs for your cooking.

You can check if an egg is wrong by using the following methods:

  • Check the Expiration Date: Eggs usually have a “sell-by” or “use-by” date stamped on the carton. If the date has passed, it’s a good indicator that the eggs may be wrong. However, eggs are often still good for a little while after this date has passed. Also, read some different about showbiz What Time Does Hollywood Studios Open
  • Perform the Float Test: Fill a bowl with water and gently place the egg into it. Fresh eggs will sink and lie flat on the bottom. If the egg stands upright on the bottom or floats to the top, it’s a sign that it’s not as fresh. The more it tilts upwards or floats, the older it is, and the more likely it’s terrible.
  • Check for Unusual Odors: Give the egg a sniff. Fresh eggs should have a neutral odor. If you detect a strong, unpleasant odor, it’s a sign that the egg has gone wrong.
  • Shake the Egg: Hold the egg to your ear and shake it gently. Fresh eggs will make little noise because the egg white and yolk remain firmly in place. If you hear a sloshing or a lot of movement, it could indicate that the contents have started to break down, suggesting the egg is rotten.
  • Inspect the Shell: Look for cracks, unusual discoloration, or molds on the eggshell. If you see any of these, the egg is likely wrong.
  • Perform the Candling Test: This more advanced method involves shining a bright light through the egg in a dark room. You can use a flashlight or a specialized candling device. If you see a clear, well-defined air cell at the blunt end and a shadowy mass in the middle, it’s likely a good egg. If you see cloudy or irregular masses, it may be bad.
  • Crack and Smell: If you’re still unsure, crack the egg into a separate container and give it a sniff. A bad egg will have a noticeable foul smell.

The Float Test: An Easy Indicator

One of the simplest ways to check an egg’s freshness is by performing the float test. Here’s how it works:

Fill a Bowl with Water

Take a bowl and fill it with water. The water should be deep enough to submerge an egg complete.Discover more about different things

Gently Place the Egg

Carefully place the egg into the water and observe its behavior.

Interpret the Results

  • Fresh Egg: If the egg lies flat on the bottom horizontally, it’s fresh and safe to eat.
  • Somewhat Fresh: An egg that tilts slightly upwards but still touches the bottom is okay to use but should be consumed soon.
  • Questionable: If the egg stands upright on the bottom but with its wider end pointing upwards, it’s aging and should be used soon.
  • Spoiled: An egg that floats on the water’s surface is no longer safe to eat and should be discarded immediately.
How to Tell if Egg is Bad
How to Tell if Egg is Bad

The Sniff Test: Trust Your Nose

Another effective method for assessing egg freshness is the sniff test. Here’s how to do it:

Crack the Egg

Crack the egg onto a plate or into a bowl.

Smell the Contents

Take a good whiff of the egg’s contents.

Interpret the Smell

  • Fresh Egg: A fresh egg will have a neutral or slightly earthy scent.
  • Somewhat Fresh: If the egg smells mildly unpleasant or sulfuric, it’s still okay to use but best for cooking rather than serving raw.
  • Spoiled: A rotten egg will emit a strong, foul odor. If you encounter this smell, discard the egg immediately.

The Visual Inspection: Look for Clues

Visually examining an egg can provide valuable insights into its freshness:

Check the Shell

Inspect the eggshell for any cracks or unusual markings. A cracked shell can lead to contamination, making it unsafe.

Observe the Yolk and White

Break the egg open onto a plate and examine the yolk and egg white. A fresh egg will have a high, domed yolk and a thick, clear white.

Spotting Signs of Spoilage

  • Blood Spots: Small red or brown spots in the egg white are generally safe to eat and caused by minor vessel breakage.
  • Greenish Ring: A greenish or gray ring around the yolk indicates overcooking or aging but is still edible.
  • Mold or Unusual Odor: Any signs of mold growth or an off-putting odor indicate spoilage, and the egg should be discarded.
How to Tell if Egg is Bad
How to Tell if Egg is Bad


Ensuring the freshness of your eggs is essential for the quality and safety of your meals. By performing simple tests like the float test, sniff test, and visual inspection, you can confidently determine whether an egg is still good to use or has gone bad.


Can I still use an egg with a blood spot?

Yes, eggs with blood spots are generally safe to eat. They are caused by minor vessel breakage and do not indicate spoilage.

What should I do if an egg smells slightly off?

If the egg smells slightly unpleasant but not intensely foul, it’s still safe for cooking. However, avoid using it in raw preparations.

Is eating an egg with a greenish ring around the yolk safe?

Yes, eggs with a greenish or gray ring around the yolk are still edible, but they may be slightly overcooked or aging.

Can I use eggs past their expiration date?

Eggs often remain good for a few weeks after their expiration date. However, it’s essential to check their freshness using the methods mentioned in this article.

What should I do if I accidentally consume a spoiled egg?

If you accidentally eat a spoiled egg and experience symptoms like nausea or vomiting, consult a healthcare professional immediately.


Please enter your comment!
Please enter your name here