Keep every inch of your shower squeaky clean with this mold removal and prevention guide. Patrick Biller Due to high humidity levels, mold can sneakily build up in bathroom corners and crevices. Porous surfaces in the shower, such as grout and caulking, are especially vulnerable to mold and mildew growth. Caulking is a mold magnet even though its purpose is to be a moisture sealant. If it wears...