Some of the softened muck remained attached to a bracelet, because the agitation was so weak, and a good wipe was needed to remove the last of it.Ībove: before cleaning. That said, none of my objects emerged from the ultrasonic depths sparkling clean. When I added a few drops of dishwashing liquid, the results were better than for items cleaned by the power of sound alone.
#ULTRASONIC CLEANER MANUAL#
The manual says cleaning fluid can be added for “enhanced cleaning”. Almost all the toothpaste residue on an old toothbrush was blasted away in the first two minutes of cleaning, only for the rest to stubbornly cling on for the remaining two-and-a-half. The cleaner did its best work at the beginning.
An ultrasonic cleaner’s sound waves are supposed to be outside the range of human hearing, but this one produced an irritating clicking buzz – clearly, not all the waves were ultrasonic. It was certainly an impressive, if slightly sickening, sight. When I dropped a pair of what I thought were fairly clean glasses into the tub and hit start, hidden grease and grime immediately liquefied into what looked like plumes of rising smoke. When I added a few drops of dishwashing liquid, the results wereīetter than for items cleaned by the power of sound alone.
I bought a 550ml ultrasonic cleaner from Jaycar, and gathered a stack of grubby items to find out how well it works. Home machines can theoretically clean almost any small non-absorbent object from dentures to DVDs, but they’re usually tasked with sprucing up metal trinkets such as jewellery or glasses. Commercially, ultrasonic cleaning is used on everything from golf clubs to car engine parts.