This site is supported by the advertisements on it, please disable your AdBlocker so we can continue to provide you with the quality content you expect.
  1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. Unfortunately for Photobucket users, things have changed in a big way as of June 26th they are rolling out a $399 per year subscription fee for those who want to hotlink images from Photobucket’s servers to display elsewhere.
    This does not mean it only affects this site, It now means that billions of images across the Web now display an error message instead of the image in question. :(
    https://barrreport.com/threads/attention-photobucket-users.14377/
    Dismiss Notice
Cookies ATTENTION: DO NOT USE PHOTOBUCKET!

CO2 Tank

Discussion in 'General Plant Topics' started by GreenStuff, Feb 14, 2005.

  1. GreenStuff

    GreenStuff Prolific Poster

    Joined:
    Feb 11, 2005
    Messages:
    62
    Likes Received:
    0
    Hi,
    My CO2 tank guage was in the red this weekend, telling me to order more. So I removed it and took it outside and released what was left, which seemed to be a lot. With the valve fully open it went for almost a minute. (5lb tank)

    How long do people tend to let their tanks run in "the red" before they get it re-filled?
     
    #1 GreenStuff, Feb 14, 2005
  2. JadeButterfly

    JadeButterfly Guru Class Expert

    Joined:
    Jan 23, 2005
    Messages:
    115
    Likes Received:
    0
    Re: CO2 Tank

    when I notice my valve in the red zone (i only check like once a week)
    I try to get it refilled within that week (whenever I'm free)...

    I got a 10lb.
     
    #2 JadeButterfly, Feb 14, 2005
  3. Paul

    Paul Guru Class Expert

    Joined:
    Jan 24, 2005
    Messages:
    169
    Likes Received:
    0
    Re: CO2 Tank

    I have a 26lb bottle, think its going to be a long time till I need to check mine :p
     
    #3 Paul, Feb 14, 2005
  4. Ian H

    Ian H Guru Class Expert

    Joined:
    Jan 24, 2005
    Messages:
    265
    Likes Received:
    0
    Re: CO2 Tank

    I've read somewhere that if you run a tank near empty it can dump too much CO2 into the water. I certainly don't know this for a fact as I've only just started using my cylinder.

    Ian
     
    #4 Ian H, Feb 14, 2005
  5. Tom Wood

    Tom Wood Guru Class Expert

    Joined:
    Jan 24, 2005
    Messages:
    139
    Likes Received:
    0
    Re: CO2 Tank

    Yeah well, we don't really want to go there again...

    If you have a needle valve then it's okay to run the CO2 tank empty. What will happen is that there will be a small rise in the output pressure which will increase the bubble rate slightly. Unless the KH is borderline or you are running the tank at absolute maximum CO2, the increase won't be noticeable.

    I have my CO2 line inserted into a submersible pump and can hear a little whoosh each time a bubble hits. Last night I heard no woosh, and sure enough the CO2 tank is empty. I never even noticed it until it was quiet. I've run CO2 tanks empty for years with no ill effect, as long as there is a needle valve to control the outflow.

    TW
     
    #5 Tom Wood, Feb 14, 2005
  6. GreenStuff

    GreenStuff Prolific Poster

    Joined:
    Feb 11, 2005
    Messages:
    62
    Likes Received:
    0
    Re: CO2 Tank

    I took my tank in to be filled today and the guy told me that there would likely be about a 1/5 tank left when the guage indicated "time to refill".
     
    #6 GreenStuff, Feb 14, 2005
  7. MartinG

    MartinG Junior Poster

    Joined:
    Jan 24, 2005
    Messages:
    8
    Likes Received:
    0
    Re: CO2 Tank

    My small pressurised ran out recently. Very little notice, a few days, but just fizzled out. It has a needle valve.
    Martin
     
    #7 MartinG, Feb 15, 2005
  8. GreenStuff

    GreenStuff Prolific Poster

    Joined:
    Feb 11, 2005
    Messages:
    62
    Likes Received:
    0
    Re: CO2 Tank

    Thanks. That's good to know. Next time my tank goes into the red I won't panic. I do have a needle valve on it so I'll let it run quite a bit longer now.
     
    #8 GreenStuff, Feb 15, 2005
  9. Gill Man

    Gill Man Prolific Poster

    Joined:
    Feb 10, 2005
    Messages:
    48
    Likes Received:
    0
    Re: CO2 Tank

    I let me 20lb go to empty, but then, it was the weekend and I couldn't get a refill until Monday. I have an empty 10lb; I think I'll be refilling this one as well as an emergency backup.
     
    #9 Gill Man, Feb 17, 2005
  10. AV8TOR

    AV8TOR Junior Poster

    Joined:
    Jan 23, 2005
    Messages:
    30
    Likes Received:
    0
    Re: CO2 Tank

    A friend of mine works at a welding store where I get mine re-filled and he says that the red zone (re-fill) is indicated because that is where there is no more “liquid” CO2 in the tank. Yes there is pressure but not as concentrated as pure CO2. The pressure fall off is also faster below 400 psi.
     
    #10 AV8TOR, Feb 17, 2005
(You must log in or sign up to post here.)
Loading...
Similar Threads - CO2 Tank
  1. Paludarium

    Rotala macrandra growing in the non-CO2 low-tech tank

    Paludarium, May 10, 2017, in forum: Non-CO2 Methods
    Replies:
    3
    Views:
    86
    burr740
    May 10, 2017
  2. PEdwards

    UG in non-CO2 tank?

    PEdwards, Feb 14, 2017, in forum: Aquatic Plant Species
    Replies:
    6
    Views:
    26
    PEdwards
    Apr 6, 2017
  3. gabcas0319

    Water changes in non co2 tank!

    gabcas0319, Aug 31, 2016, in forum: Non-CO2 Methods
    Replies:
    1
    Views:
    33
    gabcas0319
    Aug 31, 2016
  4. gabcas0319

    Cyanobacteria in my non co2 tank

    gabcas0319, Aug 29, 2016, in forum: Non-CO2 Methods
    Replies:
    7
    Views:
    34
    Adam Edmond
    Nov 2, 2016
  5. hani

    CO2 10lb tank life

    hani, Feb 16, 2016, in forum: CO2 Enrichment
    Replies:
    2
    Views:
    11
    scottward
    Feb 23, 2016

Share This Page