Descaling solution helps keep your coffee makers and kettles working more efficiently. Regular descaling can increase the life of appliances allowing them to perform faster and use less energy. This all-natural, biodegradable, phosphate-free solution also contains a cleaning agent that will cleanse your appliance while descaling. Optimized for use with OXO Brew 9-cup Coffee Maker, Cordless Glass Electric Kettle, Adjustable Temperature Kettle and Adjustable Temperature Pour-Over Kettle. Contains 14 Fl Oz (enough for 3 uses).