Why must water be degassed each time the ultrasonic cleaner's tank is changed?

The primary reason for degassing water each time the ultrasonic cleaner's tank is changed is that excess bubbles can reduce the effectiveness of the detergent. In an ultrasonic cleaning process, cavitation is the key mechanism where high-frequency sound waves create millions of tiny bubbles in the cleaning solution. When these bubbles collapse, they create powerful shock waves that help dislodge dirt and contaminants from the surfaces of the items being cleaned.

If there are excess bubbles already present in the solution, they can interfere with the propagation of the ultrasonic waves. This reduces the intensity and effectiveness of the cavitation process, which is essential for optimal cleaning. Degassing the water removes these unwanted bubbles, allowing the ultrasonic cleaner to function at its full potential and ensuring that the detergent can effectively clean the items immersed in the solution.

By starting with properly degassed water, you ensure that the cavitation is maximized, leading to more efficient and effective cleaning results. Thus, regularly degassing the water is a critical maintenance step in ensuring the ultrasonic cleaner operates effectively.