Ohhh, haven’t thought about that added benefit!
Ultra Sonic Cleaners are very useful for cleaning all kinds of items.Jewelry , Old coins , atomizers , Carburetors , pistols, and will make reloading brass shine like new money. I am sure if you look around the house you will find at least one good reason your husband needs one!
I use mine on every recipe but when working with some custards and Medicine Flower extracts I do not use the heater.
If hubby own any pistols you could get him an Ultrasonic cleaner for Father’s Day. Be aware it will totally degrease anything you put in there so you could also buy him some Frog Lube …if he’s into that kinda thing …I mean firearms