Easy to use: Use just like you would a regular k cup pod to clean a k cup pod holder. Creates better-tasting beverages by reducing flavor carry-over between brews! The Descaling Solution cleanse your coffee maker: Use every 3 months to clean and remove mineral deposits that can be built up inside your coffee maker. Cleanse Kit includes 1 bottle of Keurig descaling solution and 4 Keurig rinse pods. Compatible with all Keurig coffee makers. I would definitely recommend this kit it cleans and easy to use and it makes your coffee taste great.