Bill, like I said: YMMV Your Mileage May Vary when it comes to these types of things. When I read ammonia can embrittle cartridge brass in virtually every forum, I choose not to test the theory.You must be right.
I,ve been doing it for 50 years the wrong way....with no problems whatsoever....
Please keep in mind.I,m using it with walnut hulls,Maybe 1/4 cup at a time,in large Dillon tumbler...