Finish Detergent Booster is the solution for your hard water problems; it works with your dishwasher detergent to power away hard water stains for clear dishes and an amazingly clean dishwasher every time! • Removes spots, residue and hard water film • Removes tough, bleachable stains such as tea • Removes mineral build up in your dishwashing machine • Fights odor and leaves behind a crisp, lemon scent • Easy use, simply add to each wash!