I was just going to ask about citric acid. I have plenty of it here for passivating SS. I can mix it weak and rinse the cases through that first. I tried an ugly one with some and it looks great now. I couldnt find any issues with it weakening brass like ammonia.
Concentrated power is not rendered harmless by the good intentions of those who create it.
"If you find yourself in a fair fight,,,
Your tactics suck"- Unknown