Silly Green Monkey
Cowardly Lurking in the Shadows of Greatness
They don't say anything about where they get the water or alcohol used for the dilutions. I always wonder what sort of "memories" these liquids have at the start, and how the laboratory erases these memories...
That's what the shaking is for, to confuse the water and clear its memory for new stuff. Just like an Etch-A-Sketch.