When you bought an ultrasonic cleaning machine and were about to clean your items with great enthusiasm, you suddenly thought: how long does ultrasonic cleaning take? Many people bought an ultrasonic cleaner but did not know how to set the cleaning time because it was the first time to use it. In fact, there is no exact time that cover all situations. Cleaning time of ultrasonic cleaner varies and depends on many factors. However, you'll be able to clean most items between 2-10 minutes of cleaning, and 20 minutes or more for particularly dirty items. Today we will discuss in this article how to correctly set the ultrasonic cleaning time.