Quoted:
I'm a new guy here in the reloading section, and have both a tumbler and the ultra sonic cleaner.
When tumbling, does any of the media say in the case? Do you need to rinse or low it out?
I plan to use the ultrasonic cleaner to clean, and tumbler to remove lube.
You will need to separate the media, no matter which kind, and check the interior of the cases and the flash holes.
I dumped walnut and corn cob with my hands for a long time, and I followed the walnut with a blast of compressed air. Now I use a Dillon separator, and it's great.
Stainless steel media mostly comes out in the rotary separator, but some pieces tend to cling to the brass since they are wet. The wires can jam into flash holes fairly tight; I haven't had any, that I've found anyway, but dryflash3 has a whole rogues gallery of cases with pins stuck.