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
Foam Cleaner
How to ultrasonic clean a carburetor
Foam Cleaner
Outstanding Clean Performance: The ultrasonic cleaning machine possesses an ultrasonic cleaning frequency 40kHz which generates tiny and dense bubbles in the water making it the most suitable one for cleaning small precision components. User Friendly Design: It is made of high quality 304 stainless steel, which is more durable and sturdy to last for many years. Meanwhile, the blanket in the machine makes it very convenient to take out all the items in placed in the machine at one time.
U.S. Solid 10 L Ultrasonic Cleaner, 40 kHz Stainless Steel Ultrasonic Cleaning Machine with Digital Timer and Heater
The 100 hour PureGuardian Ultrasonic Cool Mist Humidifier Tower enhances comfort, helping you sleep better. It provides quick relief from dry air making life pleasant for those with colds, allergies and dry skin. The space saving tower design, with an easy to fill large 1.5 gallon tank, is ideal for use in medium size rooms.
PureGuardian 100-Hour Ultrasonic Cool Mist Humidifier Tower, 1.5 Gallons
How Do Ultrasonic Cleaners Work? - Mega Depot
How Do Ultrasonic Cleaners Work? - Mega Depot
AIVS Enzymatic Record Cleaning Concentrate for Ultrasonic RCMs
Ultrasonic Cleaners & Solutions
The 100 hour PureGuardian Ultrasonic Cool Mist Humidifier Tower enhances comfort, helping you sleep better. It provides quick relief from dry air making life pleasant for those with colds, allergies and dry skin. The space saving tower design, with an easy to fill large 1.5 gallon tank, is ideal for use in medium size rooms.
PureGuardian 100-Hour Ultrasonic Cool Mist Humidifier Tower, 1.5 Gallons
Ultrasonic Cleaner - Britbike forum
Ultrasonic! Mountain Bike Reviews Forum