----- Original Message ----- From: "Ron L'Herault" <lherault at bu.edu> > You mean like to carbonate water? Don'tcha just put one of those metal > CO2 > cartridges in the device and pierce the end? > Nah...you just put the water into a container with a small "neck" and then exhale into the container A LOT! :-) Steven C. Barr