Lyman Turbo Sonic non-ferrous cleaning solution is a powerful, formulated, concentrated solution for cleaning brass, copper, bronze, and stainless steel. It may be used in any ultrasonic cleaning unit to lift off embedded dirt, grime, and other debris. Now, you can turn drab to FAB with Lyman Turbo Sonic non-ferrous cleaning solution. For all your metal finishing solutions, turn to Lyman.