· Specially formulated descaler for Breville Espresso Machines, Coffee Machines, and Kettles· Removes hard water scale from espresso machines, coffee brewers, and kettles· For use with Breville Espresso Machines: the Oracle Touch BES990, the Barista Express BES870, Dual Boiler BES920, the Oracle BES980, the Bambino Plus BES500· Use with: Tea Maker BTM800, Tea Maker Compact BTM700, Smart Tea Infuser BTM600, Smart Tea Infuser Compact BTM500, Smart Kettle Luxe BKE845, IQ Kettle Pure BKE830, Temp Select BKE720, Soft Top Pure BKE700, Soft Top BKE625, Crystal Clear BKE595