Apollo's Frag tank

Discussion in 'Frag Tanks' started by Apollo, 6 Dec 2010.

  1. Apollo

    Apollo

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    Hi to all,

    Haven't posted in quite some time, so I thought I'd share my latest little project.
    I still run a TL450 Nano that has matured nicely ( approx 2 years old), but wanted to overcome the massive limitation of keeping a number of SPS's in a 60 liter Nano.

    Picked up the DT and stand quite cheap. Dimensions are 1050 x 600 x 400.
    For the sump I'm using an old 2ft tank I've got lying around.

    [​IMG]

    [​IMG]

    The sump layout will be basic - Only Skimmer (TS1) and LR. Will use either a filtersock on the overflow pipe or channel the water through a filterbox with floss.
    Return pump will be Hailea 6530 (1700 lph) and flow inside the DT will be assisted by Seio Prop 1000

    The tank has been drilled for an overflow in the meantime and I've started completing the plumbing ( Will upload more pics later :p)


    The frag tank will be lit naturally and will receive approx 5-6 hrs direct sunlight per day.

    Things are starting to slow down at work, so I should have the frag tank running in the next 10 days or so.:)
     
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  3. viper357

    viper357 Admin MASA Contributor

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    Cool, what are you gong to frag, just SPS? I'm curious to see the colouration and growth with just sunlight. Do you not think you may have overheating issues with the tank being outside and in direct sunlight?
     
  4. Apollo

    Apollo Thread Starter

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    Hi Dean,

    I'll be fragging primarily SPS's . Still thinking about a separate section of the tank to keep some rare Chalice corals and Acans.:p

    I'm also curious to see the colouration and growth under natural sunlight. Difficult to estimate upfront as to what I could expect . I am concerned about the amount of UV exposure some of the corals will be getting, since most of the frags will come from my Nano , where they have been used to a small 70W MH .

    I don't foresee any major problems with overheating . The Tank only receives about 4-5 hrs direct sunlight. The rest of the time it is "shaded" by the outbuildings.

    I've been testing the min and max temperatures with a small 2ft tank and the max temp reaches 28 deg C at 13h00 . The heaters are set to keep the min temp at around 26 deg C.

    I'll upload some more pics over the weekend to show the progress sofar.
    :)
     
  5. viper357

    viper357 Admin MASA Contributor

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    Sounds good, get it wet already so we can see what the sun does to the corals. :p
     
  6. Apollo

    Apollo Thread Starter

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    Yes Sir,

    Water to follow shortly :bigthumbup:
     
  7. Apollo

    Apollo Thread Starter

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    OK, so it's taking a bit longer for me to finish off the construction of the frag tank.
    Strange how it always looks so easy on paper :p


    Anyway, construction is complete. Just waiting for tomorrow to do a leak test and then I can fire her up :thumbup:

    [​IMG]

    [​IMG]
     
  8. Slagter

    Slagter MASA Contributor

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    Awesome little setup, but what happens when it rains and fills with rain water?
     
  9. Apollo

    Apollo Thread Starter

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    Thanks Slagter,

    Well, this would depend on how much rain water enters the tank, i.e. a significant drop in salinity.
    We've had a huge amount of rain over the past week, and this has changed the salinity in my test tank by approx 0.04 ppt . I measured the rain water and the TDS sits at 3 - Not bad.
    It is something I will have to keep managing in future. My controller will arrive in the next week or so, and hopefully my salinity probe shortly thereafter.

    In this way, at least I can monitor the salinity continuosly.

    Longer term, I need create a cover for the setup since the heatloss in winter will be huge, so perhaps I need to look at doing a polycarb roof to keep the rain out.:p
     
  10. Apollo

    Apollo Thread Starter

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    Hi to all,

    Not too much to show as yet. I had to eventually build a canopy of sorts to help block unwanted rain water and debris from falling in the tank.

    I used a product called Natralite which is a clear polycarb sheet with UV filter/protective coating on the one side.

    Temperature control seems to be OK with max temp in the tank reaching 28 deg C when the ambient sits at 32 deg C.

    [​IMG]

    [​IMG]
     
  11. SIMS

    SIMS

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    looks good
     
  12. Apollo

    Apollo Thread Starter

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  13. Apollo

    Apollo Thread Starter

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    OK. Quick update.

    Here are some pics of the corals under NSL.
    Please excuse the poor quality of pics . I'm still getting to grips with my new camera.

    Acro frag which has coloured up within the last 10 days

    Before :

    [​IMG]


    Now :

    [​IMG]

    [​IMG]


    Table Acro which has gone from this:

    [​IMG]



    To this within 2 weeks :


    [​IMG]

    [​IMG]

    The frag tank in full sun :

    [​IMG]
     
  14. Adee

    Adee

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    Nice dude....sunlight is the way. I would chuck in some caulepra in the sump....grows very well under the sun.
     
  15. chas84

    chas84

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    If I can add my 2c - Rather have 3 or 4 smaller eggcrate shelve for the frags to sit on. At some or other stage a frag or something might fall in under the one large shelf and you'll have to disturb everything to get it out.
     
  16. Apollo

    Apollo Thread Starter

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    Thanks Adee,

    Yip, amazing to see the difference that sunlight makes.:thumbup:
     
  17. Apollo

    Apollo Thread Starter

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    Excellent point ! I've been meaning to cut up the large piece of eggcrate into smaller pieces. Maintenance is tricky indeed with a single piece.
     
  18. Evo R

    Evo R

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    Thats a cool frag tank!
     
  19. Apollo

    Apollo Thread Starter

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    Thanks Evo R.
     
  20. Apollo

    Apollo Thread Starter

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    OK. Quick update:

    Fitted some Chromatinet blue ( Thanks Luis) to the existing polycarb roofing, as some Acros were starting to take some strain under the sharp sunlight.

    [​IMG]


    [​IMG]


    Acropora Secale - @ Adee : Thanks for the frag

    [​IMG]



    Monti digitata growth nodules

    [​IMG]


    This is what an unprotected/unshielded coral looks like after two days sharp sunlight. ( Please excuse the poor pic quality)
    It has improved after fitting the Chromatinet.

    [​IMG]



    Some parameters and other info :

    pH : 8.2 - 8.4
    Alk: 9-10 dKH
    Ca : 460
    Mg : 1480
    Nitrates : < 1.0
    Temp: 26-27 deg C
    SG : 1.025 ppt
    Waterchanges : 10% weekly.

    Corals are fed three times weekly at night on Brightwell's Zooplanktos S

    :)
     
  21. seank

    seank

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    Nice, you spoiling the coral with all that light :)
     
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