tag:blogger.com,1999:blog-12261589.post-46608131939809426692008-03-05T19:37:00.000-05:002008-03-05T19:37:00.000-05:00Good question!<BR/><BR/>Argon also causes "rapture of the deep"! It's even more effective (if that's the right word) than nitrogen.Michellehttp://www.blogger.com/profile/12617476463347663364noreply@blogger.com