>>I just ran into a leak issue with low quality >>needle valves and dumped a 20# tank within a week. To resolve that issue >>I bought the needle valves that I should have in the first place What needle valve caused you the problem and what valve have you ordered? FYI - Take a look at my web site for info on various kinds of needle/metering valves: http://members.cox.net/tulsaalstons/AquaticPlants.htm#High%20Pressure%20CO2 Bob Alston 918.494.4913 BobAlston9@AOL.com http://members.cox.net/tulsaalstons/ . ------------------ To unsubscribe from this list, please send mail to majordomo@thekrib.com with "Unsubscribe aga-member" in the body of the message. Archives of this list can be found at http://lists.thekrib.com/aga-member/