Shop for Paint at The Home Depot. Moldex Mold Killer is an EPA registered (3-in-1) cleaner designed to kill, clean and inhibit the growth of mold & mildew. It quickly removes dirt, grime, mold, mildew, food residue and other organic matter commonly found in homes, basements, attics, walls, kitchens and bathrooms. It destroys and neutralizes mold, mildew and their odors at their source. It is not a masking agent or general purpose stain remover. Itâ€ s bleach-free, phosphate free, non-abrasive disinfectant mold killer that can be used on most washable surfaces.