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 and lime scale build up. A cleaner dishwasher means amazingly clean dishes. It is easy to use: 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. It comes in a 250 mL bottle.