Effectively removes coffee residue and oils Carefully formulated for controlled solubility, powerful cleaning and easy rinsing Designed for use with a wide range of automatic and traditional espresso machines Meets the demands of household and commercial fully automatic coffee machines NSF Certified for metal compatibility and safety From the manufacturer URN0301 Cafiza Espresso Machine Cleaning Tablets 2g x 32 Tablets Cafiza Espresso Machine Cleaning Tablets have a concentrated formula which eliminates residue in group heads, valves, and lines. The tablet form allows for easy and controlled dosing into delivery chamber or group head. Cafiza Espresso Machine Cleaning Tablets are available in multiple tablet sizes for use with a broad range of fully automatic machines. The tablets offer flexibility with traditional espresso machines and can be used to perform backflush cleaning. Cafiza is also available in powder form. Instructions: With Automatic Espresso Machines, insert one Cafiza Cleaning Tablet in machine opening Follow manufacturer's ‘Maintenance and Cleaning' instructions With Traditional Espresso Machines, insert blind filter in portafilter and add 1 Cafiza tablet Insert portafilter into group head and activate brew cycle for 10 seconds. Stop for 10 seconds Repeat this 5 times. Remove portafilter and activate brew cycle Rinse portafilter in a stream of water from group head. Stop cycle