· Cascade Dishwasher Cleaner helps eliminate odors and remove limescale buildup and grease to reveal a fresher, cleaner machine· Simply toss it in your empty dishwasher and run a cycle—just like Cascade ActionPacs· Use once a month to help keep your machine sparkling· Recommended by Cascade Detergent· For best results, use with Cascade Dishwasher Detergent and Cascade Power Dry Rinse Aid