Fred, Mark already gave you the answer, it's not a matter of changing the gas, but one of changing the metal that the difuser is made from. Earlier today I posted a message saying that stainless steel difusers can be gotten, and gave McMaster - Carr as a source.
BTW, air, like we breath and use for bubble washing, is primarily nitrogen so it would seem that bubbling nitrogen through bd doesn't cause any problems. Dan > so what would be a good gas to bubble through the biodiesel. Nitrogen > > brass, biodiesel, and air bubbles is a terrible combination. Brass SNIP > > as well, very quickly. go stainless. -- Jack of all trades, master of none. Fiber Artist - Genealogist - Kilt Maker - Linux Geek - Piper - Woodworker http://www.xmission.com/~redbeard ------------------------ Yahoo! Groups Sponsor ---------------------~--> Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark Printer at MyInks.com. Free s/h on orders $50 or more to the US & Canada. http://www.c1tracking.com/l.asp?cid=5511 http://us.click.yahoo.com/mOAaAA/3exGAA/qnsNAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/index.php?list=biofuel Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
