doublegunshop.com - home Forums General Discussion DoubleGun BBS @ doublegunshop.com Advice on loading nickel-plated brass shells?

Been shooting black powder for decades but just recently started to shoot it in suppository guns. Specifically, my 45-90 and in brass .410 shells. I have been working on the question f cleaning the cases and have tried a couple different methods. The jury is still out s I have only done a few hundred cases in perhaps 3 or 4 different ways but, so far, was seems to do the best for me stumble them in my wet tumbler and water for a half hour or so, then dump everything out and resumable with clean water and some dawn dish soap for another hour with the SS pins. They come out nice and clean and shiny. If I don't do the first pass, then dump the black water and go again with soap and pins and, rather just add the soap and pins the first time and let them tumble for an hour, they came out clean but dark. I assumed that this may be Duse to tumbling them so long in the dirty water. I don't think I will be using "lemishine" anymore because I think it takes out too much zinc if tumble for any amount of time (brass come out looking reddish) but lemishine would probably be OK as a second pass for just 15 minutes or so. This, of course is with a wet tumbler, not an ultrasonic cleaner but I believe that the end results would be vey similar.