Sump Filtration - Mechanical?

Discussion in 'Beginner Discussions' started by ANiMOSiTY, 10 Jan 2013.

  1. ANiMOSiTY

    ANiMOSiTY

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    Hey guys!

    New to the forum, but I've been reading for at least a year.

    I have a small 50cm cube Nano.
    Love this hobby!
    I'm planning a build of a new, larger tank with a sump.

    Obviously I see all the recommendations on the forums, but those have lead me to a question.

    I've planned on going the DSB + Refugium route for the sump. (Plus skimmer and ATO)
    But with this setup, how does machanical filtration take place? There is none, so what about all the silt and detritus in the water?

    Thanks experts!
     
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  3. RocketRooster

    RocketRooster

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    Your skimmer takes care of most of it. Rest is live rock or critters in dsb.

    Oh! And welcome! Post pics of your build ideas, you will get lots of constructive advice here!
     
    Last edited: 10 Jan 2013
  4. ANiMOSiTY

    ANiMOSiTY Thread Starter

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    Ah ha. Thanks!
    So does the skimmer remove particulate matter as well as the proteins which cause ammonia etc?
    At the moment my canister filter gets filthy, so I thought the skimmer wasn't primarily for solid waste etc.
     
  5. RocketRooster

    RocketRooster

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    You get suspended and solute waste in the water. The skimmer will not catch much in the way of solutes because the way it functions relies on the alliphatic interaction between water, air bubbles and suspended things like lipids and peptides to create that scum. Your skimmer doesn't remove salt or nitrates against the solution gradient for example. It will catch fine solid particles but that's more of a lucky bonus in a way. Keep in mind that your corals and live rock depend on these tiny bits of food. What doesn't get eaten by the filter feeders and cuc will be chowed by your bacteria growing on all your tank surfaces. It's the waste from this last cycle that is your responsibility to manage.
     
    Last edited: 10 Jan 2013
  6. RocketRooster

    RocketRooster

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    PS, your cannister filter is a perfect spot for bacteria to grow - what you think is solid waste is probably bacterial colonies...
     
  7. Kanga

    Kanga Retired Moderator MASA Contributor

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    ANiMOSiTY

    You could clip some filter floss to the chamber feedinf the DSB to catch particles, however you have to change this every second day.

    Eases the load on your DSB and Skimmer
     
  8. RiaanP

    RiaanP Moderator

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    the skimmer is your mechanical filtration.

    I would keep the canister filter running until the DSB is up and working. No problem with over filtration. Especially on such a small tank where you most likely overfeed
     
    Last edited: 11 Jan 2013
  9. ANiMOSiTY

    ANiMOSiTY Thread Starter

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    Thanks for the feedback guys!
     
  10. dallasg

    dallasg Moderator MASA Contributor

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    use a filter sock or filter wool, the more you can remove before it fouls the better
     
  11. irie ivan

    irie ivan MASA Contributor

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    Yes, your skimmer does some mechanical filtration... It does however miss a lot... Did an excercise few years ago where I had filter floss post skimmer and it was scary what it missed......
    As mentioned, run a filter sock before the skimmer and clean it regularly! Not doing this will shorten the useful life of your in sump dsb, unless you maintain a large opulation of detritivores. It will also cause premature exaustion of your chemical media like activated carbon pores becoming blocked.
     
  12. mandarinman

    mandarinman

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    uploadfromtaptalk1358433957945.jpg

    uploadfromtaptalk1358433957945.jpg
     
  13. mandarinman

    mandarinman

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    result of using filter wool in baffle from first to second chamber uploadfromtaptalk1358433994628.jpg

    uploadfromtaptalk1358433994628.jpg
     
  14. mandarinman

    mandarinman

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    water is kept clean
     
  15. RocketRooster

    RocketRooster

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    Sounds like too much PT for my liking.
     
  16. mandarinman

    mandarinman

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    imo some pt has its benefits but you must determine what will work best for you after looking at the options
     
  17. RocketRooster

    RocketRooster

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    I'd rather go without a dsb if changing a filter sock every second day is a requirement.

    I saw how effective socks are with butcherman's tank move, but still. I guess it's part of the routine - after all the skimmer cup is more PT, and just as often. I'd like to automate my maintenance as much as possible though.

    Aiptasia farm in the sump, anyone? :)
     
  18. irie ivan

    irie ivan MASA Contributor

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    With a dsb you really do want a filter sock as welll... Cannot emphasize the value of them....

    Aiptasia never a good idea.... they gonna get out that sump... Xenia or a bank of clams....... much better idea.
     
    Last edited: 17 Jan 2013
  19. RocketRooster

    RocketRooster

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    Xenia are obligate photosynthesizers, no?
     
  20. irie ivan

    irie ivan MASA Contributor

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    Yep, but they do take up dissolved nutrients.. google xenia nutrient removal and you will see figures like 500% as effecient at nutrient removal than algae..... Dunno if its that huge, but it definitely works..
     
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