X-14 Professional Instant Mildew Stain Remover Bulk, [Non-Aerosol Trigger] - 32Fl. Oz. [5 Pack]Motivated Deep Clean For those times when you roll up your sleeves and are ready to give your bathroom a serious deep cleaning. Independent laboratory studies, Shuster Labs September 2006 Mildew Stain Remover Removes mildew stains faster and more completely than leading competitors Not only does X 14 Mildew Stain Remover work without scrubbing, it's been proven to remove mildew stains faster and more completely than competitors. Use it on sealed