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Cleaning agent for ultrasonic clean

Posted: 24 Feb 2022, 11:06
by caberolo
A friend can lend me an ultrasonic tank to clean the keycaps (and stems). Which cleaning agent is better to use? Is there a specific one or is a domestic one enough?

How long would it take to clean the keys? It is a 2.5l tank, 160W power.

Thanks in advance.

Re: Cleaning agent for ultrasonic clean

Posted: 24 Feb 2022, 11:11
by TNT
I always use tap water and add some dish soap. No experience with those fancy cleaning agent products, but said combination always did the job for me :)

Re: Cleaning agent for ultrasonic clean

Posted: 24 Feb 2022, 15:43
by vvp
TNT wrote: 24 Feb 2022, 11:11 I always use tap water and add some dish soap.
Me too :D

Re: Cleaning agent for ultrasonic clean

Posted: 24 Feb 2022, 15:47
by hellothere
Usually denture cleaner tabs, two per load. If they look especially nasty, Simple Green + water.

Also, if it's your first time doing this, check to make sure that it's not too hot. I've melted some pad-print caps at 50C.

Re: Cleaning agent for ultrasonic clean

Posted: 24 Feb 2022, 15:54
by TNT
hellothere wrote: 24 Feb 2022, 15:47 Usually denture cleaner tabs, two per load. If they look especially nasty, Simple Green + water.
Yeah, totally forgot. I do that too if it's necessary, but didn't have to in a long time

Re: Cleaning agent for ultrasonic clean

Posted: 24 Feb 2022, 18:02
by Johnbo
I've had good results with Harbor Freight's ultrasonic cleaning powder:
https://www.harborfreight.com/6-oz-ultr ... 91593.html

In my experience it works much better than just water alone. It has perfectly cleaned all but the very grimiest of keycaps I've used it with.