What you see: A dark ring inside a cross section of your grapefruit rind. Or, if you’ve peeled the fruit, you may see a blue tinge just below the exterior peel.
The white fuzz inside your clementine is supposed to be there
What you see: A delicate white fluff in the center of your clementine (or tangerine, or other type of mandarin). What it is: Basically just an airier version of

