Rust-Oleum Whink Automatic Coffee Maker Cleaner, 10 oz. is a powerful solution designed to dissolve lime scale build-up in automatic drip coffee makers. This liquid cleaner helps eliminate excessive brewing time and steaming by unclogging the coffee maker, ensuring faster brewing and better-tasting coffee. Containing sulfamic and hydroxyacetic acids, it effectively removes hard water and lime deposits that can form inside your coffee maker over time, prolonging the life of your appliance. Model Number: 30281