It is a known fact that molds are usually found in humid conditions. Also, mold goes deep into the surface. Therefore, if you spot mold, you know that it isn’t on the surface but also inside it. First things first, let that area dry out completely. For, if there is less of moisture then, you can be sure of the fact that the mold will not grow. Buy a dehumidifier for situations like this. It will stunt the growth of the mold in a jiffy.