Finish Machine Cleaner Did you know that your dishwasher needs to be cleaned at least once per month to make sure it's running at its best? It's true! Finish Dishwasher Cleaner makes cleaning your dishwasher easy. It works by safely and effectively breaking down and removing mineral build up that's inside your machine, including hard-to-reach parts like the heating element and sprayer arms. We recommend that you use Finish Dishwasher Cleaner once a month, or as soon as you notice build up in your dishwasher. How to Use Finish Dishwasher Cleaner: 1. Make sure to NOT remove the cap and that your dishwasher is empty. 2. Remove the sticker from the top of the bottle. 3. Place the bottle upside down inside the silverware basket or in a secure position. 4. Do not use any soap or dishwasher detergent. #1 Recommended Brand By More Dishwasher Brands Worldwide When it comes to dishwashing and everything that goes along with it, Finish is constantly striving to give you amazing results. Finish is the #1 recommended dishwasher brand worldwide and have been at the forefront of automatic dishwashing for over 60 years. They're far from done though, and will continue to improve their products to deliver you and your family ultimate clean and amazing shine for years to come.