Cutting open a watermelon and finding large cracks, hollow spaces, or unusual cavities inside can look alarming. Viral posts often claim that this means the fruit is “full of chemicals” or unsafe to eat.
That is not always true.
In many cases, internal cracks are caused by a natural condition known as hollow heart, which can develop when the fruit grows unevenly or experiences problems during pollination. A watermelon with clean internal cracks can still be perfectly edible if the flesh is firm, juicy, fresh-smelling, and free from spoilage.
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