A cleaner dishwasher means amazingly clean dishesYou would never wash your dishes in a dirty sink, so why use a dirty dishwasher? Even if your dishwasher looks clean, hidden dirt can build up. Finish® Dishwasher Cleaner intensively cleans hard to see places in your dishwasher where grease & lime scale build up. Because a cleaner dishwasher means amazingly clean dishes. Remove sticker from top of bottle without removing the cap. Make sure your dishwasher is empty. Place the bottle upside down inside the silverware basket or in a secure position and run the dishwasher. For best results, use once a month.