How to Test an Egg’s Freshness (without cracking it open)

 In Modern Homesteading

Test EggLast one to read this may have a rotten egg! Eggs tend to have an ‘egg-ceptional’ (sorry! I couldn’t resist) long shelf life when stored in the refrigerator but, the dates on the carton can be rather ambiguous. Typically, eggs will be good three to four weeks after the sell by date but can often last longer or go bad sooner. So, how can you tell if those eggs are still good without taking the risk of cracking one open and unloading a rotten egg?…            All you need is an egg and a bowl of water!

  • Fill a bowl with water 1/2 to 3/4 full (you want a bowl filled with enough water so that the egg, if standing upright, is fully covered by an inch or two).
  • One at a time,  gently place egg in the bowl of water.
  • If the egg remains at the bottom of the bowl and lies on its side, it is still fresh.
  • If the egg remains at the bottom but stands upright, its still good to eat but should be eaten or hard boiled soon.
  • If the egg floats to the top this is your indication that it is past it’s prime and should not be eaten.

How does this work you ask? Egg shells are porous so the longer the egg has to sit the more time for air to enter. This causes bacteria to break down the protein in the egg whites and form gasses which in return cause the egg to float.

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