"Budget" CO2 reactor ideas (less DIY the better).

Discussion in 'Carbon Dioxide (CO2)' started by Steve Smith, 5 Mar 2008.

  1. Steve Smith

    Steve Smith Member

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    I'm looking for a good inline CO2 reactor to go with my 180 litre tank. I really like the look of the AquaMedic 1000 but its a little over budget (unless I can find one second hand). Anyhow, it needs to connect to 11mm hose (tetratec ex700).

    Any suggestions?
     
  2. Dan Crawford

    Dan Crawford Founder Staff Member

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  3. Steve Smith

    Steve Smith Member

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    4,428
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    I've looked at those, and from what I've read they need to be installed internally, to avoid leaks :(

    I've found this:

    http://www.saltwater-aquarium-supplies.com/aquarium-water-filters.html

    which just goes inline, but has no CO2 connector. I have a little "T" piece that I could put inline just before this reactor which would allow me to inject CO2 into the reactor chamber. Anyone think this would work OK?
     
  4. Ed Seeley

    Ed Seeley Member

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    I injected the CO2 ahead of my CO2 reactor and find it really diffused brilliantly. The CO2 bubbles flew into the reactor and broke up perfectly and I got 100% diffusion.
     
  5. Steve Smith

    Steve Smith Member

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    Excellent, thats good to know :) I might stump up for the one I linked too then in that case... Just need something to put inside it. I might be cheap and see if I can scrounge a few bioballs from somewhere :)
     
  6. ulster exile

    ulster exile Member

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    Dev, I hope nobody minds but I think we may have been having the same thoughts so I'm linking to a recent thread of mine on my usual forum as it may answer some of your own questions about adapting it...

    tfc thread re: CO2 reactor

    Incidentally, the phosphate reactor in the first post is made by the same people but is cheaper than the one posted by you earlier.

    I hope it's of help!
     
  7. Ed Seeley

    Ed Seeley Member

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    I've got Bioballs in mine, but thinking of taking them out when I use it again as most guys on APC with DIY reactors just have them empty. As long as the CO2 and water are flowing in at the top then the CO2 mixes well regardless it seems. My Bioballs have got a fair amount of debris collected on them at the moment.
     
  8. Steve Smith

    Steve Smith Member

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    Yeah, thats the one I have my eye on, just didn't want to post a direct link :p
     
  9. ulster exile

    ulster exile Member

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  10. Steve Smith

    Steve Smith Member

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    Leamington Spa, UK.
    No probs :)

    I've been browsing around on APC and found a nice article about making a diffuser/reactor using a Hagen elite mini filter (tiny thing!) Looks like an interesting concept for about £10. Quite small and easy to hide inside my tank too :)
     
  11. GreenNeedle

    GreenNeedle Member

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    2,706
    Location:
    Lincoln UK
    Sounds like they are nicking the Tom Barr needle wheel thread. lol

    He is using a small powerhead and putting staggered holes in the impellor which aparently shreds the CO2 into mist. Much like the first hour or so after bleaching a disc before it turns into bubbles again.

    I am trying this method as soon as the maxijet MP400 I ordered from aquatics-online arrives.

    Garuf started the thread below on it:
    http://ukaps.org/forum/viewtopic.php?t=1047

    Andy
     
  12. Steve Smith

    Steve Smith Member

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    4,428
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    Looks very interesting :) I might well give this a try, thanks for the info!
     

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