How effective is your ultrasonic?
By Oliver Passe
Your ultrasonic cleaner is one of the key players in your jewelry shop, always standing by to remove polishing compound from a ring after re-sizing or to clean the schmutz off a client’s tennis bracelet. But how do you know if your ultrasonic is performing to Olympic-gold-medal standards? The answer can be found in a piece of candy—Mentos, to be specific.