It is important to know how to use them correctly. Mold on the walls can be overcome without the use of chemicals, that is, a sparing way. Waterproofing that should be carried out from time to time in the apartment can also help. Recall once again that mold is a toxic fungus that releases a very unpleasant smell. And this is not the only unsightly property of mold. It can also cause all kinds of diseases, allergies are one of them.