If your CO2 tank is emptying much too quickly and your Aquarium CO2 levels are running exceptionally higher than normal, then you must have a leak. Did you check the gauges for leaks? sh --- david <hipchack@yahoo.com> wrote: > Hey all, > My co2 regulator is making a hissing noise and i was > wondering if it was normal? The hissing noise is > coming from within the regulator. Also when I decrease > the co2 regulator knob the noise will go away and once > the output reaches 10 psi the needle on the gauge will > pop back to 20 psi but fall straight back to 10. It is > a veriflo dual stage regulator. I checked for co2 > leaks but could not find any. The reason I ask is > because this regulator went through a 5 lb co2 tank > within a week, which sometimes occurs because a > fitting is loose. However, I replaced the tank and > checked the fittings and there are no leaks. I have > another co2 regualtor built by scott cerrata which > makes no noise whatsoever. thanks for the help, > > david > > __________________________________ > Do you Yahoo!? > New Yahoo! Photos - easier uploading and sharing. > http://photos.yahoo.com/ > ------------------ > 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/ > ===== S. Hieber __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/ ------------------ 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/