Arrow Springs etching crystals are preferred over etch-all for me- partly due to price, yes, and partly due to effectiveness. Etchall is nearly twice as expensive for a 16 oz. container. The Arrow Springs version is supposed to be less caustic also, which is nice since I use it (safely) so often. I still wear rubber gloves and use baking soda to neutralize before rinsing the beads clean. Which reminds me that I need to get a big container of baking soda…