Ian, et al,
Are you aware that there are sintered stainless steel air
stones used by the beer and fermentation industries available.
B.r., DavidBiofuel at Journey to Forever: http://journeytoforever.org/biofuel.html 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/
