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Water in Co2 line

Discussion in 'General Plant Topics' started by yelnats65, Jul 11, 2006.

  1. yelnats65

    yelnats65 Junior Poster

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    I'm having a problem with water backing up into the Co2 supply line at night when the solenoid shuts off. It takes approximately 1 hour in the morning for all of the water to clear out of the line.

    The set up constists of a Co2 bell placed under the canister inlet. The Co2 tank is placed in the tank stand along with the Ehiem canister filter. I have tried using a check valve with no success.

    Any suggestions on resolving this matter?
     
  2. Tom Barr

    Tom Barr Founder
    Staff Member Administrator Social Group Admin

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    Re: Water in Co2 line

    Check valve.

    Add loops, raise the CO2 line above the water surface etc.

    Rex Grigg sells some nice brass check valves for about 10$.
    Search his name and you should fine his site.


    Regards,
    Tom Barr
     
  3. VaughnH

    VaughnH Lifetime Charter Member
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    Re: Water in Co2 line

    Unless you are using a brass check valve your check valve has probably failed. I have had a couple of them fail, and water backing up in the CO2 line is how I found out about it. Now I use Rex's valve and have had no problems for about 3 months. (This sounds like a testimonial for some patent medicine!)
     
  4. Wet

    Wet Lifetime Members
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    Re: Water in Co2 line

    A simple DIY bubble counter may work. I like the little tonic water/gingerale bottles for this. If water backs up the line it will just go into the bottle.
     
  5. wkndracer

    wkndracer Junior Poster

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    check valve

    The Best Aquarium Regulator & CO2 Parts
    13.75 shipped anywhere in the U.S.A. current 3/11/09
    Available elsewhere I'm sure but this is it and it works without degrading due to the gas.
     
  6. Superglue

    Superglue Junior Poster

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    Regular fish stores sell those plastic check valves that I have been using for years. Haven't had a problem yet.
     
  7. ccLansman

    ccLansman Guru Class Expert

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    i use a bubble counter like most of the rest of you's... the bubble counter has a one way valve. Problem solved... if not... the water cannot possibly push all the way back to the solenoid, even if it did no harm, its just a metal needle in a hole.
     
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