Shopping list for a 400 litre tank

Discussion in 'Carbon Dioxide (CO2)' started by jmkgreen, 9 Mar 2010.

  1. jmkgreen

    jmkgreen Newly Registered

    Messages:
    15
    Hi I've been looking on eBay to get a pressurised CO2 system. One question I have is whether to get a diffuser or a reactor.

    A diffuser seems cheap but apparently can break particularly under the pressure needed for a 4x2x2ft tank. A reactor seems more suitable but is quite expensive.

    I'll probably end up getting one of these: http://cgi.ebay.co.uk/2kg-Co2-Fire-Exti ... 35a7ba8df0

    And one of these: http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 3364wt_941

    Assuming they're deemed good quality at affordable prices???

    I really need advice on the diffuser or regulator though. Thanks!
     
  2. Voo

    Voo Member

    Messages:
    185
    Location:
    Lincs
  3. LondonDragon

    LondonDragon Administrator Staff Member

    Messages:
    10,301
    Location:
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    Depending how much light you will have on the tank, a 2Kg FE might not last you a very long time!
     
  4. jmkgreen

    jmkgreen Newly Registered

    Messages:
    15
    Ouch @ price...

    Lights: 2x 54w T5. Filter is Eheim 2075 with a Hydor eth 300 fitted.

    At 14 inches I don't have pipework length to install the reactor 1000. Perhaps the 500 would suffice? I can add an extension apparently.

    I need to replace my hoses anyway to be fair, they connect to an eheim shephard's crook which in turn directly connect to a spray bar. Not possible to clean it.

    Given I "only" have a single eheim I'm also considering eliminating dead spots with a circulation pump. So much to consider lol!
     
  5. LondonDragon

    LondonDragon Administrator Staff Member

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    10,301
    Location:
    London
    You will need at least two of those, or maybe even bigger better filters. I have a more powerful filter in my 125 litre tank ;)
     
  6. jmkgreen

    jmkgreen Newly Registered

    Messages:
    15
    What filter do you have?

    Incidentally I checked at my LFS, they suggested I check Sera for a new in-line Co2 system that connects to the output pipe of external filters. I can't find it though...
     
  7. LondonDragon

    LondonDragon Administrator Staff Member

    Messages:
    10,301
    Location:
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    I have a JBL CristalProfi e1500, for the price of that Eheim you can get two of these and have 3000lph filtration. Then if needed just had some Koralia pumps for circulation.

    Just get a Regulator from ebay and use Fire Extinguishers ;)
     
  8. Stu Worrall

    Stu Worrall Forum Moderator Staff Member

    Messages:
    1,987
    Location:
    Flintshire, North Wales
    They are on seras website here - http://www.sera.de/index.php?id=1101&L=1.

    TGM have them in but I dont think its on their website yet. might be worth giving them a call?
     
  9. Stu Worrall

    Stu Worrall Forum Moderator Staff Member

    Messages:
    1,987
    Location:
    Flintshire, North Wales
  10. jmkgreen

    jmkgreen Newly Registered

    Messages:
    15
    I had seen that but wasn't sure what it was. I actually quite like the idea of either co2 tube terminating directly underneath a power head or the tube going into a plastic bottle acting as a DIY reactor (as seen on youtube).

    The powerhead idea would certainly add plenty of circulation but I'm unsure about the accuracy. The bottle could be refined but adds bulk.
     
  11. gzylo

    gzylo Member

    Messages:
    108
    Hi jmkgreen

    I `m using co2 regulator you are planning to buy.

    I have no problems with it apart one thing. The needle valve could be more accurate. it takes some time to adjust it to your need but once set up it fine.
     

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