Ultrasonic Cleaning Solution is Specially Formulated To Work in Ultrasonic Cleaning Tanks. Non-corrosive to aluminum or metal parts. Effectively breaks up and removes fouling. Cleans residue from actions, receivers, trigger assembly, etc. Dissolves oil, grease and powder build-up. Biodegradable, Environment Friendly. Non-toxic, Non-flammable, Non-Hazardous. Non-corrosive to aluminum or metal parts. Effectively breaks up and removes fouling.