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Thread: Sumps and CO2

  1. #1
    SCAPE Member Pro SCAPEr geektom's Avatar
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    Sumps and CO2

    Hey everyone!

    The awesome 150g tank project that I recently got came with an 80 gallon sump. I've never used a sump before, so I have a lot to learn.

    One of the things I'm confused about is the best way to use CO2 with it. If I use a reactor for instance, do I insert between the return pump and the return outlet to the tank? Will that effect the efficiency of my sump? It seems like using an in-tank diffuser would be inefficient for a tank this large. Could I use a diffuser in the same sump chamber as the pump? Any help would be appreciated- like I said, the whole sump piece is new to me.

    It also came with a UV sterilizer. I have never used one before- do they have value for a planted tank? I always think of them as SW equipment.

    Thanks!


    Sent from my iPhone using Tapatalk
    I am an old dog trying to learn some new tricks...

  2. #2
    Moderator Master SCAPER Nick Shades's Avatar
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    You can put the co2 anywhere, but your return is generally the easiest place.

  3. #3
    SCAPE Member Pro SCAPEr geektom's Avatar
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    Quote Originally Posted by Nick Shades View Post
    You can put the co2 anywhere, but your return is generally the easiest place.
    Thanks, Nick! To be more specific, would a reactor (my preferred method) be an issue with flow rate? Do I have to be concerned about the pump being too powerful for the reactor to do it's job?
    I am an old dog trying to learn some new tricks...

  4. #4
    Moderator Master SCAPER Nick Shades's Avatar
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    I've personally never used a reactor, but just put a ball valve after the return and before the reactor so you can adjust the flow if necessary (what you should do anyway, in order to compensate the displacement against the slowness of the drain)

    Sent from my 1+3t

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    SCAPE Member Pro SCAPEr geektom's Avatar
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    Quote Originally Posted by Nick Shades View Post
    I've personally never used a reactor, but just put a ball valve after the return and before the reactor so you can adjust the flow if necessary (what you should do anyway, in order to compensate the displacement against the slowness of the drain)

    Sent from my 1+3t
    that makes sense.

    What do you usually use? In-line diffuser? Or an open diffuser in the same section of the sump as your pump?
    I am an old dog trying to learn some new tricks...

  7. #6
    Moderator Master SCAPER Nick Shades's Avatar
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    I always uses an in tank diffuser.

    A
    With a sump,you can just place that diffuser anywhere in it and you're golden.

  8. #7
    SCAPE Member Pro SCAPEr geektom's Avatar
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    if that is the case (and it seems like it would be, since the combination of the diffuser + pump is almost like a reactor) then I think I will just go that way unless I see something else compelling... one less complication to worry about.
    I am an old dog trying to learn some new tricks...

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    Banned Just Planted jgreenlee's Avatar
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