Hmmm, I'm not a lot of help on this one. At work we have a sonic one, along with sand and steel bead blasting. Plus some cleaning solutions that, frankly, I won't even bring home. Powerful industrial stuff, ya know? So I just take my stuff there, the boss doesn't mind if we don't abuse the time spent.
I don't recall even a thread on this before. Sorry! But check out the following posts from another forum I frequent:
go to post #66- 68 of this thread -> https://www.fjrowners.com/forums/8-f...ml#post1197795
Both posters are trusted and well-respected in that world.
Words aren't children and there's nothing wrong with killing them to clarify a point or keep the peace.