A Citric Acid comment. I usually buy it 10 pounds at a time off eBay, much cheaper that way. Of course I use only a minuscule amount of that for case cleaning. My wife uses most of it in her dishwasher - it prevents mineral scum on dishes and glassware, and that is what Lemi-Shine is sold for at about triple the price of bulk Citric Acid. 10 pounds of Citric Acid will last a couple of years, and I am about ready to buy another 10 pounds as I am down to about a half-pound.