Squeak 'n Clean is a unique liquid cleaner formulated to prevent coffee oil build up, odors and stains. With just a few squirts of Squeak 'n Clean you can watch its cleaning action as the blue color turns to green while it comes in contact with coffee and tea residue. It saves you money by reducing cleaning time and ensures no aftertaste or harsh chemicals left in your coffee urns, decanters, air pots, and thermal servers. Non-Toxic and easy to use.