VEVOR Professional Ultrasonic Cleaner, 30 L Ultrasonic Jewelry Cleaner with Digital Timer & Heater, Stainless Steel Industrial Sonic Cleaner 40kHz for Glasses, Watches, Rings, Small Parts
In the video, an SU carburetor is being washed. This carburetor is made of aluminum alloy which oxidizes in most chemicals. What chemical is being used in the video?