Googling around a bit, a typical 20-count box of pseudoephedrine (2.4 grams of "active ingredient") yields roughly 2 grams of "high quality" meth with the shake

Googling around a bit, a typical 20-count box of pseudoephedrine (2.4 grams of "active ingredient") yields roughly 2 grams of "high quality" meth with the shake-and-bake/one-pot method. Not the only ingredient, of course, but close to 1:1 of in/out.