Suma Café GrinderClean is the first product ever developed for cleaning grinders and is an all-natural, gluten-free, food-safe, and flavor neutral combination presented in coffee bean shaped tablets. The patented formula quickly and effectively removes stale coffee residue and flavored coffee odors from the internal burrs and casings of coffee grinders. Requiring no grinder disassembly. Suma Café GrinderClean users simply run the product through the machine just like coffee.