Cafetto Coffee Grinder CleanerRemoves build up of stale coffee residue and coffee odours. Reduces blockages between burrs and internal chambers. No grinder disassembly required. Cleans grinder burrs and casings to improve grinder performance and extend life of grinder burrs. Gluten free, 100% natural grain based proprietary formula no binders or chemicals used in processing. Certifications Directions Empty all coffee from hopper. Pour one capful of Cafetto Grinder Clean into