For those of us who have used them, what worked and what didn't?

I see cleaners and oils. Some flammable and some not.

Brownells and Midway have some selections.

What should I know before using? Other than heating and degassing?

Will use for steel gun parts and suppressors. Some inevitable plastics and alloys also I assume.

Thanks for the knowledge in advance.

OK, after cleaning, how to relube for protection of the internal surfaces that don't wear but need corrosion and rust protection?

Lube for bearing surfaces seems easy enough but I was thinking of the areas that I cannot see or reach easily.

Over thinking it maybe?

I didn't want to use any water, so I used mine with a couple quarts of cheap dollar store automatic transmission fluid, an topped it off with some mineral spirits. Sort of a half-assed Eds Red mixture.

Have not cleaned any AR parts in it, but cleaned a couple used Israeli Hi Power pistols. 10 min, scrub a little with toothbrush, 10 more minutes (they were really nasty). Came out looking like new - I mean it cleaned the dirt out of the machining marks in the gun. Great stuff.