For those of you on bottled CO2, here is a really good deal (so far) on a fine metering valve from Swagelok. cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=230175647945&ssPageName=STR K:MEWA:IT&ih=013 _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo/aquatic-plants