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#1
08/02/2006, 12:31 AM
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Giesemann MH Versus Lumenarc III reflectors
I am planning to buy a MH. I am considering the following:
- Giesemann Nova II Metal Halide HQI Pendant Lighting System - Lumenarc III reflector + Icecap ballast It seems to me that the Lumenarc III reflector is larger and has mirror reflecting quality. Giesemann reflector is smaller but is parabolic in shape. I would like to know which configuration (reflector in particular) is better. Please share your thought.
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#2
08/02/2006, 02:25 AM
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There really isn't a "better" overall. Giesemann and other European reflectors are smaller because their tank tend to be more narrow. Lumenarcs essentially waste energy on narrow tanks. If your tank is 20" or less (wide) a DE could be great. If its wider, bigger reflectors work better. Its the same energy/wattage, just spread out over a wider area.
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When life hands you lemons ... add vodka! Growing old is mandatory. Growing up is optional. Closed minds should come with closed mouths. |
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#4
08/02/2006, 02:41 AM
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Also, the following TOTM is using Giesemann MH as well. This is a 22"W tank.
http://www.reefkeeping.com/issues/20...totm/index.php
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#5
08/02/2006, 02:58 AM
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What are the dimensions of the tank you're going to be using it on?
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#6
08/02/2006, 03:00 AM
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BTW DE is short for Double Ended, which is the type of metal halide bulb that is sort of long-cylindrical in shape with two ends connected to the socket as opposed to the single ended, which looks more like a regular incandescent bulb with one ended screwed in.
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#7
08/02/2006, 03:10 AM
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Tank dimension is 24"L x 18"W x 22"H. I will be running a DSB and so the SPS's will be no more than 15" from the top of the tank.
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#8
08/02/2006, 03:13 AM
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Why Double Ended is recommended? Is it because of the smaller footprint?
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Explore the cheapest method to maintain SPS! |
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#9
08/02/2006, 03:14 AM
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Thanks for your information. How should I choose between Single Ended and Double Ended?
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__________________
Explore the cheapest method to maintain SPS! |
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#10
08/13/2006, 07:43 AM
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I have 3 x 250 giesemann nova II pendants. I love the look and elegant design of the pendants, however the spread on them is not that great. I'll probably upgrade lighting soon.
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- Ali |
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#11
08/15/2006, 02:23 AM
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LAIII is bigger than your tank at 19 1/2" square. Maybe go with a mini - still it might be too large. You will have a difficult time adding T-5 or VHO if you choose.
I have LAIII with se bulbs and love them. SE bulbs spread light to the whole tank, but less intense that a DE bub. More color options on SE bulb brands. Cheaper usually. Bigger I have some DE pendants and like that they are compact and clean. They are like spotlights, shooting light down in almost a beam. This can be good in a small tank if you want to put some low light corals on the edges. |
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#12
08/15/2006, 11:34 AM
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Quote:
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#14
08/15/2006, 04:11 PM
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I have 2 giesemann nova II pendants with 150 watt bulbs.
My tank is 24x24x48 and its BB all my sps do fine i have a huge maxima clam on the bottom of the glass and its fine also. I love my lights there cool enough to touch without getting burned and i dont need a chiller. The reflector is smaller but its still alot of light. BTW i run the 2 pendants and 4 54watt T5s but the T5s are all 460 & 420 nm bulbs. Here is a pic of mine. 
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