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Thread: co2 cyclinder don't last long

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    co2 cyclinder don't last long

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    Hi All,

    How came my co2 that top up last saturday deplete so far... my 5 litres co2 last only a week and drop to less than 300 pressure ... my co2 inject bubbles per sec is around 16 bubbles... will it use up so fast or it leak..???

    I suspect leaking after changing with NA for the top up cylinder... am i right to say that??? kindly,advice...

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    16 bubbles per second? Are you sure?

    It should be leaking. Bring down to LFS for checking.

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    you are injecting at a rate of 16 bubbles per second??? do you even have live fish left?? that is insanely high..and i'm not even sure if you can count that fast...i have trouble counting 6-7 bubbles per second..

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    Quote Originally Posted by ranmasatome View Post
    you are injecting at a rate of 16 bubbles per second??? do you even have live fish left?? that is insanely high..and i'm not even sure if you can count that fast...i have trouble counting 6-7 bubbles per second..
    bro, that is an estimation...using spiltters and each spiltters output inject at least that bubbles count...

    Quote Originally Posted by |squee| View Post
    16 bubbles per second? Are you sure?

    It should be leaking. Bring down to LFS for checking.
    around that...as my output bubbles quite fast... haiz...guess it leaking... as 5 litres can last at least 2 - 3 months not just a weeks... NA dun know can accept it..now drop to 30...
    Last edited by vinz; 2nd Dec 2006 at 16:29. Reason: Merged consecutive posts.

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    The last and only time that happened to me few years ago, NA gave me another full tank. It must be tank not filled up properly or a high pressure leakage.

    To test CO2 leaks (high pressure) after connect regulator, turn on and off main tap. Now the guage will show tank pressure and if guage maintain same presurre for a few hours then there no leakage.

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    Quote Originally Posted by eddyq View Post
    The last and only time that happened to me few years ago, NA gave me another full tank. It must be tank not filled up properly or a high pressure leakage.

    To test CO2 leaks (high pressure) after connect regulator, turn on and off main tap. Now the guage will show tank pressure and if guage maintain same presurre for a few hours then there no leakage.
    i have tested before and monitor on that day that is maintain at 1000psi... after a few days later, it deplete so fast... i was so suprise to see it drop to 300psi now.... got to send to NA and see what wrong with that... Will mr chan replace me another new co2 cyclinder....???

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    That's why I always prefer to get my original cylinder topped up, rather than to get it exchanged.

    Anyway, do a leak test at home before bringing back to the shop. Save yourself some trouble. Check leaks along the line by immersing the joints in containers of water.

    For the solenoid/regulator/cylinder, spray some soapy water at all the joints. If there is a leak, you will see bubbling. Be careful not to wet the solenoid electrical parts.

    Also, you can test the solenoid/regulator by these steps:
    1. Turn off the main cylinder valve.
    2. Close the needle valve on the regulator/solenoid.
    3. Note the reading on the pressure gauge.
    4. Wait 24 hours.

    So effectively, you're isolated the regulator/solenoid from the rest of the system. If the pressure drops after 24 hours, there is a leak somewhere on the regulator/solenoid.

    If there is no pressure drop,
    5. Open the main valve.

    If there is a drop in pressure after opening the main valve. The leak is somewhere on the cylinder.
    Last edited by vinz; 2nd Dec 2006 at 16:39.
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    today,i just went to NA and mr chan checked for me... He tested and found no leaking at the regulator soaking the regulator into the tank water...

    He mentioned to me that he suspect is the solenoid valve or bubble counter leaking... ?????

    I was puzzled about this two items... how this two areas related to the leaking... Electronic solenoid valve only activation by timer and no pwr supply activated,how the valve open and co2 leak??

    Secondly, how the bubble counters will leaking as it related to the solenoid control it...???

    In the end, he mentioned that I need to pay $10 (Didn't charge me for the inspection fee) for another replacement of the top up cyclinder... and i just paid to him w/o asking so much questions...

    currently, Mr chan turn on/ off the main cylinder valve and ask me to left it for 24hrs and monitored the pressure gauge... to check whether it the pressure drop or not.... Just fix back the solenoid valve and wait for it...

    Now the pressure gauge maintain at 1000 psi...

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    just to ask: how long will it remain on 1000psi when we do the test. Will it remain 1000psi if we leave it untouched for 1 week. Just asking, because i notice now that my Co2 psi goes down to 0psi after about 24 hours. I suspect another leak that was there already.
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    i guess once when tested in this way, was to zoom dwn whether pressure gauge n splitters got any leaking.. no leak, the psi pressure remain there,correct me if i am wrong..

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    Quote Originally Posted by AquaObsession View Post
    just to ask: how long will it remain on 1000psi when we do the test. Will it remain 1000psi if we leave it untouched for 1 week. Just asking, because i notice now that my Co2 psi goes down to 0psi after about 24 hours. I suspect another leak that was there already.
    If there is no leak in the solenoid and regulator, then the PSI should not drop at all. It's possible that a slow leak may produce a mnor drop in a week. But a drop to 0 PSI in 24 hrs is a serious leak.

    One thing though. You're suppose to keep the solenoid off during the test.
    Vincent - AQ is for everyone, but not for 'u' and 'mi'.
    Why use punctuation? See what a difference it makes:
    A woman, without her man, is nothing.
    A woman: without her, man is nothing.

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    Quote Originally Posted by coolbucks View Post
    today,i just went to NA and mr chan checked for me... He tested and found no leaking at the regulator soaking the regulator into the tank water...

    He mentioned to me that he suspect is the solenoid valve or bubble counter leaking... ?????

    I was puzzled about this two items... how this two areas related to the leaking... Electronic solenoid valve only activation by timer and no pwr supply activated,how the valve open and co2 leak??

    Secondly, how the bubble counters will leaking as it related to the solenoid control it...???

    In the end, he mentioned that I need to pay $10 (Didn't charge me for the inspection fee) for another replacement of the top up cyclinder... and i just paid to him w/o asking so much questions...

    currently, Mr chan turn on/ off the main cylinder valve and ask me to left it for 24hrs and monitored the pressure gauge... to check whether it the pressure drop or not.... Just fix back the solenoid valve and wait for it...

    Now the pressure gauge maintain at 1000 psi...
    I'm confused by your post but anyway...

    The solenoid is made of several parts. It's possible that there may be a leak from the joints between any of the parts... even if the solenoid is off.

    Similarly, there may be leaks from the joints of the bubble counter or even some poorly made check valves.

    I suggest you just use the methods I suggested earlier to test for leaks. Test every possible joint. Even places you don't think leaks.
    Vincent - AQ is for everyone, but not for 'u' and 'mi'.
    Why use punctuation? See what a difference it makes:
    A woman, without her man, is nothing.
    A woman: without her, man is nothing.

  13. #13
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    ok..noted vinz.. thanks...

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