Urnex SuperGrindz is the first grinder cleaner designed for use in superautomatics. These cleaning tablets remove coffee particles that are stuck on grinder burrs, while also absorbing coffee oil residue. Formulated from all-natural, completely food-safe, and gluten-free ingredients. The hydrophobic formula allows for safe and convenient use in superautomatic espresso machines as well as in espresso and shop grinders. Formulated from all-natural, completely food-safe, and gluten-free ingredients. Capacity: 11. 6 oz. Hydrophobic formula allows for safe and convenient use in superautomatic espresso machines as well as in espresso and shop grinders. Jar of grinder cleaning tablets. For use, remove all coffee from the bean hopper, then brew two large cups of coffee to use up all remaining beans in the grinding chamber; for superautomatics, add one full cap of SuperGrindz, add three full caps of coffee to the hopper, then brew five large cups of coffee, or until the pucks no longer contain traces of the yellow SuperGrindz tablets. Removes coffee particles that are stuck on grinder burrs, while also absorbing coffee oil residue