Use this cleaner from Nu-Calgon Inc. to make sure your ice machine is clean, safe, and ready to provide frozen water for everyone that needs it. Made to use on machines with nickel-plated evapoIce Machine Cleaner, Form Liquid, Application Ice Machines, Nickel Safe Yes, Size 1 gal, Color Green, Food Grade Yes, Recommended Dilution 13.6 lb per gal, Standards USDA Approvedrators, this food-grade cleaner is safe to use on machines around food. This concentrated cleaner will help you get rid of deposits on ice machine water troughs, water curtains, water distribution tubes, storage bins, and extrusions on your machine.