Should a poached egg float?

Online Answer
Therefore, the older the egg, the higher it floats. If an egg shows more than the size of a dime above the water, it's not suitable for poaching.
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If the egg sinks, it is fresh. If it tilts upwards or even floats, it is old. This is because as an egg ages, the small air pocket inside it grows larger as water is released and replaced by air. ... An egg can sink and still be bad, while an egg that floats may still be fine to eat (3).
If the egg sinks or stays at the bottom, it is still fresh. An older egg will either stand on its end or float. The float test works because air builds up inside the egg as it ages, and this increases its buoyancy. However, an egg that floats may still be safe to eat..
Food should sink a bit, but not drop to the bottom of the pot when added. It should float toward the top when it is about ready. If the oil is smoking, it is too hot..
An egg can float in water when its air cell has enlarged sufficiently to keep it buoyant. This means the egg is old, but it may be perfectly safe to use. Crack the egg into a bowl and examine it for an off-odor or unusable appearance before deciding to use or discard it.