Keep the machine that cleans your dishes, clean. Simply pour contents of pouch into the bottom of your empty dishwasher and run like normal. Lemi Shine dishwasher cleaner gets into all the hidden crevices and mechanics of your dishwasher to remove pesky hard water buildup and other gross gunk we'd rather not mention. For best results, clean your dishwasher once a month. As a result, it will deodorize and amp; maintain its performance while extending the life of your dishwasher. You'll be surprised by the results.