What are mildew and mold?
Molds are fungi. Common fungi include mushrooms, puffballs, truffles, yeasts, and most mildews. Mildews are actually types of mold that manifest as whitish powdery growth on plants. Molds begin as microscopic airborne spores that germinate on contact with the surface of nonliving organic matter where moisture is present. Mold is then able to penetrate the organic matter where it secretes enzymes, absorbs water, and digests sugars and starches from the nutrient source. Unsealed tile grout used in bathrooms is an ideal environment for molds to thrive.
