real warning signs are things like foam, sour odor, slimy flesh, mushiness, leaking liquid, or obvious fermentation.
What Causes Cracks Inside a Watermelon?
Several things can cause the flesh to split or form cavities.
1. Hollow Heart
Hollow heart is a physiological disorder in which the inside of the watermelon develops cracks or open spaces.
It can happen when fruit growth and tissue development do not occur evenly.
The watermelon may still:
