co2 regulator

Discussion in 'Carbon Dioxide (CO2)' started by fishkeeper, 3 May 2009.

  1. fishkeeper

    fishkeeper Member

    2 Apr 2008
    Im looking to do a FE co2 system soon. On ebay ive seen many different regulators.

    What is the difference with using a single guage reg opposed to a double reg guage?

    Is it a neccessity to have a solenoid connected to the reg?

    Is a needle valve needed on the regulator? if it is, how do you attach them onto it?
  2. aaronnorth

    aaronnorth Member

    19 Feb 2008
    worksop, nottinghamshire
    single gauge reads the tank presure (FE around 55-70psi), the second gauge reads the output pressure (1.5-2bar reccomended)

    2 is better than one because if the output pressure is to low, then it is hard to inject enough, it is too high then it can split your tubing,

    solenoid allows you to cut it off at night. SOme people run it 24/ 7 but at a lower injection rate as it must be green all the time, whereas people who run it during the day sometimes let it get up to yellow by night before turning it off.

    Needle valve is a must, this allows you to change the amount of CO2 injected. some are built onto the reg, and some fit inline (like a none return valve).

    Check out the link in my sig for equipment info and whats neede etc.
  3. Themuleous

    Themuleous Member

    6 Jul 2007
    Aston, Oxfordshire
    I'll short hand this :)

    Nothing - you just don't get the pressure in the reg itself, but that's not a problem at all.

    No - I run my CO2 24/7 with no problems.

    Yes! - It allows you to control the bubble rate of Co2 into the tank. The reg should have one attached.


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