First time using my ultrasonic cleaner! Once fired brass~ : r/reloading

RCBS Ultrasonic Case Cleaner

HOW TO Clean Brass Cases using Ultrasonic Cleaners

Tested out an ultrasonic cleaner I got in a job lot recently, followed by drying in the oven for 15 mins, there is some discolouration to this piece of brass, is this

Tested out an ultrasonic cleaner I got in a job lot recently, followed by drying in the oven for 15 mins, there is some discolouration to this piece of brass, is this

RCBS Ultrasonic Cleaner Cleaning 308 Brass

So, I cleaned my 9mm brass and as you can see it's clean and shiny on the outside but some of them are a bit dark on the inside. Is it OK

HOW TO Clean Brass Cases using Ultrasonic Cleaners

HOW TO Clean Brass Cases using Ultrasonic Cleaners

Frankford Arsenal Ultrasonic Brass Cleaning Solution : : Sports & Outdoors

First time reloading. Nervous to shoot tomorrow. : r/reloading