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Sink or Swim

Posted on 23.07.2015

The thought of cracking up a rotten egg is just unimaginable. You don’t want to deal with that awful smell and cleaning up your utensils afterwards. Though it can be hard to tell if your eggs have gone bad just by looking at them, you can definitely test to see if they are still good without cracking them open at first.

Presenting ‘The Float Test’!

Step 1: Fill a bowl with cold water and place the egg in it. 

Step 2: Watch where the egg lands:

If the egg sinks to the bottom, it’s fresh. 

If the egg sinks to the bottom and stands on its side, it is a week old.

If the egg sinks to the bottom, but stands on its point, it’s still good but needs to be used soon. 

If the egg floats to the top, it needs to be discarded.

So, why do eggs float? There’s a membrane between the egg white and the shell. As the egg gets older, the membrane pulls away from the shell and this creates an air pocket. The air pocket expands causing them to float. Floating eggs don’t necessarily indicate that they’ve gone bad. Sometimes it can mean that they’re not as fresh.

Although some may claim that a floating egg is still safe to be eaten, ask yourself if you’re willing to take the risk. If you’re still in doubt, shake the egg. If you hear a sloshing sound coming from inside, it has gone bad. 

If all else fails, crack the egg open. If it’s discoloured or gives off a foul odour, discard the egg at all cost. 

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