Was playing Mad Scientist today:

He he nice, so what's in the Apothecary bottle?
It's acturally a bright blue 'foam' bath someone gave my sister, she was allergic to it, but the bottle is lovely, and actural glass too. The poor old test tube is plastic though.
Hawkes, like the coat... you've got a very Dr Who, 'walk around like I own the place' (which since it's probably your house, you would) look going on in those pics, probably supported by the worm's eye camera angle.