High-foaming, extra-strength stain remover targets mold and mildew in shower and bath areas for a clean look. Chlorinated cleaner is easy and ready to use. Spray on surface, wait until stain disappears and then rinse. Use cleaner on grout, tubs, fiberglass, shower/tub walls, shower doors, floors and shower curtains. Do not mix with acids, ammonia or other cleaning chemicals.