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MH bulb nipple up or down?

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  • #1

    MH bulb nipple up or down?

    Hi guys just a question which way should the nipple inside the bulb be pointing up or down i have a blv mh 10k se.Just want to know if i installed the mh bulb right i pointed the nipple up but correct me if i am wrong.

    Thanks as always
    Nestor
    Tags: None
  • #2
    I have heard "nipple up", I think it is actually a vent of some kind that if I remember right it helps the bulb operate at the appropriate temp. Please someone correct me if I am wrong. You could contact David at Coralvue, very nice and helpful guy.
    Take Care,
    Chad

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    • #3
      i've always heard nipple up too

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      • #4
        I think it depends on the bulb brand, on the Aquamedic and Giesemann they say up and on my new BLV they say down, i hope ive read well on this last one .

        Brian.

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        • #5
          but I have read for SE BLV they r universia... so u can place it at any position u want...
          ---------------------------
          180g 3 side Low Iron Glass, Lighting: ATI Power Module 10 x 80W KZ Coral Light (awiting for to mix with fiji purple), Return Pump: Red Dragon 12m3, Tunze WaveMaker:1x 6200, 3 x 6100 and 1 x 6060 + Multicontroller 7095, Bubble King 300 Internal, Deltec - PF 601S, Arctica Chiller 1/2HP, I~Zeo Reactor IZ-618

          BK 300 in actionhttp://smg.photobucket.com/albums/v5...IDEO_00003.flv

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          • #6
            Forgot to say that i´m talking about DE bulbs !!!

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            • #7
              Originally posted by Brian
              Forgot to say that i´m talking about DE bulbs !!!
              O if it's DE then can understand...
              ---------------------------
              180g 3 side Low Iron Glass, Lighting: ATI Power Module 10 x 80W KZ Coral Light (awiting for to mix with fiji purple), Return Pump: Red Dragon 12m3, Tunze WaveMaker:1x 6200, 3 x 6100 and 1 x 6060 + Multicontroller 7095, Bubble King 300 Internal, Deltec - PF 601S, Arctica Chiller 1/2HP, I~Zeo Reactor IZ-618

              BK 300 in actionhttp://smg.photobucket.com/albums/v5...IDEO_00003.flv

              Comment

              • #8
                If it is De, them the BLV/Ushio/Aquamedic goes Nipple up on the 150w.
                Brian

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                • #9
                  Thats right. I was useing at first 150w DE (aquamedic & giesemann) nipple up, but with my 250w DE BLV it says nipple down !!!


                  I just seen a 150w BLV bulb and the nipple are up.

                  So it seems that 150w bulb nipples up ... 250w bulb nipples down .

                  Brian.
                  Last edited by Brian; 08-24-2005, 07:58 AM.

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                  • #10
                    The 250's I have used could only be installed one way, because of the ceramic end. The 150's have a round end and can be arrange in several ways.

                    Not sure if the blv 250 has the same ceramic end or not, but I assume that it does.
                    Brian

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                    • #11
                      Yep your right, it does have a ceramic fitting, so i guess there can never be a positioning problem with 250w bulbs.

                      Brian.

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                      • #12
                        i never understood what was meant nipple up or down
                        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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                        • #13
                          Here is this pic
                          Attached Files

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                          • #14
                            awesome picture thanx so how do you know if its up or down ?
                            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

                            • #15
                              Maybe interesting:

                              http://www.advancedaquarist.com/issu...ductreview.htm
                              http://www.advancedaquarist.com/issu...02/product.htm

                              G.Alexander

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