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How many MH pendant should I need in 1m cube tank

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  • How many MH pendant should I need in 1m cube tank

    I am thinking of the cube tank (1m x 1m x 50cm L x W x H)
    and how many 250w pendant should I buy? (SPS tank)
    NOW I have 2 PFO pendant (for 250watter,400watter)

    It is not easy the determine the proper number of pendant cause I have
    never been made cube tank.

    3 pendants is enough? how about 4? too many?

    and I will add 2 VHOs and 2 T5 bulbs in my future cube tank for actinic.

    www.spsholic.com

  • #2
    actually Vince, I think 2 pendants and the supplementals are enough. Sort of depends on your aquascaping.
    10x3x2 FOWLR (for now)
    BK400ext
    RD12 return, 2 RD12 closed loop, wavebox with extension
    MRC kalkmixer
    IKS

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    • #3
      Thanks moonpod~

      Can 2 pendants are enough to cover all of area in tank? I heard the average length
      of covering pendant about 60cm (2feet) so I am wondering 2 pendant located on
      center is enough to keep SPS. and I will reduce the quantity of live rocks and main
      filteration is of course zeovit system. how about side bottom? is it available to place
      SPSs?

      www.spsholic.com

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      • #4
        Greetings All !

        I vote with moonpod ... depending upon the aquascaping, I would think that 2 pendants plus actinic supplementals would be more than adequate.

        so I am wondering 2 pendant located on center is enough to keep SPS.
        You might wish to consider staggering/off-setting the positions of the pendants, as opposed to hanging them both in the center. This will help to maximize light on the substrate (side bottom") regions.

        Sort of depends on your aquascaping.
        Indeed ... with good planning, you should be able to create a variety of light intensity zones which will accomodate any brightness requirements, generate interesting light vs. shadow regions/contrasts, and allow for specimen repositioning as individual pieces adapt to your ecosystem.

        Can't wait to see the pictures ...

        JMO ... HTH.
        "When the going gets weird, the weird turn pro."
        Hunter S. Thompson

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        • #5
          Thanks mesocosm...

          and What is a staggering/off-setting the positions of the pendants?
          that means between two pendants should have a proper gap when I install 2 pendants
          in center?

          www.spsholic.com

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          • #6
            Greetings All !

            ... What is a staggering/off-setting the positions of the pendants?
            that means between two pendants should have a proper gap when I install 2 pendants in center?
            The "gap" can be on either a linear line, or a diagonal line. In other words, the lights can be parallel to one another, or they can be "staggered" ... one pendant shifted towards the back, and the other shifted towards the front.

            HTH.
            "When the going gets weird, the weird turn pro."
            Hunter S. Thompson

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            • #7
              Greetings All !

              With the understanding that I'm a klutz with homemade graphics ... ...

              By in "parallel", I meant like this ...



              By "staggered", I meant like this ...



              Notice how the substrate/"side bottom" region coverage/area (the white spaces within the box) can be manipulated by where you place the light sources. Also notice the number and variety of light intensity zones (represented by the overlaps of the colored rings). Planning out how you want your lights to interact could prove to be hugely helpful as you visualize your system ...

              ... at least it helps for me ...

              What moonpod was talking about comes into play here ... aquascaping. Once you've visualized/diagramed how your lights will work together, you can design your aquascape/rock architecture to take full advantage of their interaction.

              HTH.
              "When the going gets weird, the weird turn pro."
              Hunter S. Thompson

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              • #8
                Wow...Thanks for great information...I think you are superman..





                www.spsholic.com

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                • #9
                  rule of thumb wit MH is everyone cover a 2 foot x 2 foot area
                  Nick
                  Nick
                  180G SPS Mainly
                  10 Bulb T5 Starfire
                  Calcium Reactor
                  3 Tunze 6105's
                  Profilux Controller
                  ATB Return w/ wavysea
                  ATB M External Skimmer


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                  • #10
                    Good to see a forum where sensible lighting options are recommended!
                    400 gallon reef, Bubble King 300, I~Spin, 2 x 10,000K BLV 400W, 2 x 20,000K Radium 400W, 2 x 6,400K Osram 400W, Schuran Jetstream 1, AquaController Pro

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                    • #11
                      i find it easy to stick with the 3 foot rule
                      Nick
                      Nick
                      180G SPS Mainly
                      10 Bulb T5 Starfire
                      Calcium Reactor
                      3 Tunze 6105's
                      Profilux Controller
                      ATB Return w/ wavysea
                      ATB M External Skimmer


                      Comment


                      • #12
                        I changed my mind that I can reduce the tank size from 1m to 3feet(90cm)

                        (LxWxH=90cm x 90cm x 50cm : about 100gal)
                        If I use lumenarc, some people say I can use one Lumenarc in this tank.

                        so I am thinking one 400w 14K or 20K bulb with L in my tank?

                        What is your opinion?

                        www.spsholic.com

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