Orca Bio Cube and Phos Reactor/Container

Discussion in 'Chemical Filtration / Low Nutrient Systems - LNS' started by Wes, 18 Jun 2012.

  1. Wes

    Wes

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    [​IMG]




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    Simple Spaghetti container drilled/burned two holes in it here are the results:



    [​IMG]
     
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  3. Wes

    Wes Thread Starter

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    [​IMG]

    Close up on cubes, Phospha-Guard(Black) GFH below Cubes
     
  4. Tremayn

    Tremayn

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    nice diy wes!
     
  5. GregB

    GregB

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    Hi Wes.
    Nice DIY.
    What is connected to the bottom hole?
    Thanks.
     
  6. Clownfish9906

    Clownfish9906

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    hey Wes - can I run the Orca Activated carbon in the cannister as well?

    Good idea and will be cheap to run this...
     
  7. Wes

    Wes Thread Starter

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    600 l/h pump small thing...
     
  8. carlosdeandrade

    carlosdeandrade

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  9. irie ivan

    irie ivan MASA Contributor

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    I would advise putting the gfh after the cubes, great job otherwise
     
  10. carlosdeandrade

    carlosdeandrade

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    Correct me if I wrong, is this because you want some PO4 to enter the bio cubes so that the bacteria can grow and not unbalance the redfield ratio, and then the GFH will remove any excess PO4?
     
  11. irie ivan

    irie ivan MASA Contributor

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    In essence, yes, as dependant od bed volume vs flowrate vs total system volume and of course po4 concentration, po4 limitation is theoretically possible.
    I doubt wheter this will be the case, as even though Orca phosphaguard is very powerful, i doubt whether all po4 will be removed at the flowrate over such a small bed volume, leaving some to provide bac with the required quantity for assimilation into biomass.
    Phosphaguard will however need to be removed for rechargeing/replacement prior to the cubes, which in this desingn will be a bit messy.
    Or should i rather say less messy if po4 media was last in line. Regular "massaging" of the gfh will also increase effectiveness, which seems a bit of a schlep in this configuration.
    Also, fines coming off the gfh could clog pore structure of cubes. What effect this will have on the growth rate and consequent removal of nutrients is a bit above my level of overstanding...
    There is however another reason.... The order of filteation, i.e mechanical, biological and lastly chemical, simply to reduce pressure / increase lifespan of chemical.
     
    Last edited: 14 Sep 2012
    crispin likes this.
  12. carlosdeandrade

    carlosdeandrade

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  13. carlosdeandrade

    carlosdeandrade

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  14. crispin

    crispin

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    beautifully explained, nice post sire.
     
  15. VicZA

    VicZA

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    @irie ivan I know this is an old post but please could you clarify what GFH is ?? (sorry):blush:
     
    Last edited by a moderator: 26 Nov 2015
  16. Toolboysa

    Toolboysa Moderator

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    Gfh is Granular Ferric Hydroxide a similiar product to Gfo which is Granular Ferric Oxide

    Both are used to remove phosphate from your water
     
    Last edited: 17 Oct 2014
  17. VicZA

    VicZA

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    Thanks :thumbup:
     
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