The RCBS Ultrasonic Bullet Case Cleaning Solution 87058 has been created to be the perfect way to make sure your bullet cases are ready for reloading. Designed for use with the RCBS Ultrasonic Case Cleaner, this Cleaning Solution from RCBS quickly removes tarnish, carbon buildup and metal oxides from cartridge cases. The specialized formulation of the RCBS Ultrasonic Case Cleaning Solution cleans brass cases inside and out, including the primer pockets (spent primers must be removed), producing a bright, professional-grade finish. Ultrasonic Case Cleaning Solution is non-corrosive and non-combustible, making it safe and easy to use. One quart of the concentrated solution makes 10 gallons of cleaning mix, and the RCBS Cleaning Solution for Ultrasonic Cleaner comes with a built-in measuring cup for use with all brands of ultrasonic cleaners.