Check out the links on my web site for low cost co2 tanks, regulators and lots of info on needle & metering valves. http://members.cox.net/tulsaalstons/AquaticPlants.htm#High%20Pressure%20CO2 Bob --- StripMime Report -- processed MIME parts --- multipart/alternative text/plain (text body -- kept) text/html --- ------------------ To unsubscribe from this list, e-mail majordomo@thekrib.com with "unsubscribe aga-contest" in the body of the message. To subscribe to the digest version, add "subscribe aga-contest-digest" in the same message. Old messages are available at http://lists.thekrib.com/aga-contest When asked, log in as username is "aga-contest", and password "second".