The beauty of an Ultrasonic is the time it saves in the cleaning
process. A good Ultrasonic machine will have a heater to heat up the
cleaning solution. Also an Ultrasonic works by sending up small
bubbles that implode when they hit the piece being cleaned. This
helps knock off the dirt or polishing compounds.
If you are just doing one or two pieces it may be just as quick to
clean by hand with a tooth brush but if you are cleaning multiple
pieces this is a time saver.
It is also useful to Clean a piece in the Ultrasonic after Pickling
and rinsing. This helps remove any left over oxidation on the
If you decide to use an Ultrasonic, make sure you familiarize
yourself with what materials should not be placed in the machine.
Some materials like Opal, Emerald,Coral, Amber and Pearls should not
be place in an Ultrasonic.