Northwest Enterprises Powerful, fast-acting ultrasonic cleaner solution is specially formulated for today's ultrasonic gun cleaning systems to thoroughly clean, condition, and protect your firearms. Safe for all metal surfaces, including carbon steel, aluminum, titanium, and stainless steel. Won't harm bluing, parkerizing, anodizing, or most paints. Safe for Polymers and Plastic. Environmentally safe, non-toxic, ammonia-free, and biodegradable with minimal odor. Our Ultrasonic gun cleaner Solution penetrates greases and oils and removes carbon build up, dirt, grime, and powder residue to leave the metal completely clean. Gets into nooks and crannies for thorough, deep-down, “in the pores” cleaning without completely disassembling firearm. Economical, concentrated formula: mix 1 part solution with 5 parts of water. Before cleaning, always make sure the firearm is UNLOADED. DO NOT soak firearm parts overnight in this solution.