So I purchased one of the Harbor Freight 2.5l UltraSonic cleaners a while back on sale to try on motorcycle carbs (and other stuff as needed). I tried
Quartz Cuvette Cleaning – Find the best cleaning for your application — FireflySci Cuvette Shop
High Power Ultrasonic Cleaner
VEVOR TIG Welder 3 in 1 110V High Frequency TIG/Stick/Clean Welding Machine w/IGBT Inverter 155Amp Digital Arc Welder
Easily clean pistons and ringlands to like-new (before/after) : r/EngineBuilding
Ultrasonic cleaner
emmi®-04D Ultrasonic cleaner with stainless steel tank
Foam Cleaner
2.5 Liter Ultrasonic Cleaner
2.5 Liter Ultrasonic Cleaner
Foam Cleaner
Yet another HF 2.5L Ultrasonic Cleaner Review
UltraSonic Case Cleaning