I'm beginning to think a major part of running the smoke through the water is to send it through a myriad of holes in the submerged pipe so you form a bunch of bubbles along with the liberated smoke
If you are looking for a vape to start out when vaping, the pod system options may be your first choice
Marijuanas a complicated topic
MIL-100 Horcajada et al., "Synthesis and catalytic properties of MIL-100 (Fe), an iron (III) carboxylate with large pores", Chem
Empfehlungen zum Umgang mit Alkohol Hans-Jrgen Rumpf, Volker Auwrter, Anil Batra, Simone Bell-DAvis, Gallus Bischof, Tom Bschor, Tobias Effertz, Ernst Fricke, Reiner Hanewinkel, Rita Hansjrgens, Ursula Havemann-Reinecke, Tobias Hayer, Ulrich John, Falk Kiefer, Thomas Kuhlmann, Katrin Liel, Thomas Redecker, Florian Rehbein, Jens Reimer, Karl-Heinz Reuband, Norbert Scherbaum, Helmut K