without any drama.
That said, I am not telling you every fuzzy patch is harmless. Some molds are not the friendly kind, and you can’t tell which is which by squinting at it. So the reassurance comes with a boundary. If the spot is small, green or blue, and sitting on an otherwise solid block, it is usually salvageable.
What changes the answer is scale and color. Heavy, widespread fuzz covering a big chunk of the surface is a different story. So is black growth, or anything that comes with
