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Need advice

This is a discussion on Need advice within the Saltwater Aquarium Equipment forums, part of the Beginner Saltwater Aquariums category; --> I have a list below of the T5 fixtures I am interested in. Just wondering what you guys think is the best of the ...

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Old 03-30-2009, 04:27 PM   #1
 
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Need advice

I have a list below of the T5 fixtures I am interested in. Just wondering what you guys think is the best of the ones listed, which brand is known to be better/last longer, etc. I want to spend money on a good product, not some junk

My tank is 21" high, I don't want to be limited to what I can keep, I want to eventually incorporate all families of the coral, sps, soft, etc. The tank is 36" long.

These two listed at big al's
1) Current Nova Extreme High Output T5 Fixture-36"
This fixture has 4x39 watts bulb inputs. $350.00
2) Current USA Sundial 36" T5 High Output 4x39w 10K/460
Very similar item, I think it comes with bulbs?

Listed at J&L
3) Sunlight Supply 36" Tek Light T5 Fixture - 4-Bulb, 4 x 39W
Similar, but different company

4) Coralife 36" AquaLight Fixture - 2 x 96W
Only two bulbs, might be okay for my tank?, and is this HO?

5) Coralife 36" Lunar AquaLight Fixture - 2 x 96W
Has luner lights, two bulbs, is this HO?

And if you guys have something that is better than what I have listed for a 36" long tank, 21" high, let me know please! I just want some good quality stuff.

Also, can any fixture house these 10 K + bulbs? I have lots of normal output fixtures that I can slap a nice 10 K bulb into but I am sure it is not that easy. What makes it HO, just the reflector and fans?

Thank you!
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Old 03-30-2009, 07:47 PM   #2
 
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what size tank is this?
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Old 03-30-2009, 07:52 PM   #3
 
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If this is indeed for the 40g tank...

1 no

2 no

3 no

4 no

5 Maybe (HO is high output)

Please see Coral Lighting and Acclimation to get a better idea of what you will need.
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Old 03-30-2009, 08:08 PM   #4
 
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Someone suggested this to me, what do you think about this?
AquaticLife T5 High Output Fixtures by: AquaticLife - The House of
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Old 03-30-2009, 08:26 PM   #5
 
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Something like this fixture would be more preferable Or this fixture if you don't want to be limited to what corals you are wantng to get. Because you didn't respond i am assuming you are talking about the 40g.
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Old 03-30-2009, 08:30 PM   #6
 
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I'm pretty sure 5 would be the least-best of all of them, I had (have) a Coralife Lunar Aqualight for a 4' tank. Don't get me wrong, its a cool fixture and all, the blue moon LEDs are really bright and make the tank look great at night. But, it is a Compact Fluorescent fixture, probably the worst choice for keeping some of the more light-demanding corals unless you absolutely bathe the tank in Watts.

I had the fixture on my tank when I was keeping it strictly as a FOWLR, and I loved it. I upgraded to a Current USA Outer Orbit MH + PC fixture a couple of months ago, and have since moved the Coralife to a freshwater tank of mine.

So I'm not dogging the Coralife Lunar Aqualight, but I wouldn't exactly recommend it for keeping SPS. Maybe the Coralife Lunar Aqualight has a T5 variant, and everything I just said doesn't apply?
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Old 03-30-2009, 08:41 PM   #7
 
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Yes it is the 40 gallon, listed in the signature.

So basically I am looking at 6 bulb units that are HO T5, correct?
What would you suggest for the arrangement of a 6 bulb fixture, bulb wise?
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Old 03-30-2009, 08:42 PM   #8
 
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I am a little lost, why is 5 a maybe, being a 2 bulb compact, while 1 is a no, which is basically what you linked but 4 bulbs instead of 6, or am I missing something.
To remind everyone, this is my first saltwater anything :D

Thank you.
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Old 03-30-2009, 10:01 PM   #9
 
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Quote:
Originally Posted by Bartman View Post
I am a little lost, why is 5 a maybe, being a 2 bulb compact, while 1 is a no, which is basically what you linked but 4 bulbs instead of 6, or am I missing something.
To remind everyone, this is my first saltwater anything :D

Thank you.

only guessing here... Kells might have assumed the Lunar Aqualight was a T5 fixture (since you stated in the original post that the five you listed were T5 fixtures ;) ). It has more Watts than the others (well, 4 and 5 have the same), thus it was listed as a maybe.

Since it is a PC instead, I would guess that none of the five you listed would do, considering that you want to keep SPS or in general don't want to be limited in what you can get. I'm no pro on lighting either, but I would believe what the guys have suggested on good fixtures for what you want. Just based on the Watts per gallon rule (which is still just a general rule, not a definite measure of good/bad), the T5 fixtures you suggested didn't quite reach 4 W/gal, which is just too low for the most demanding of corals and clams. The 6x39W fixtures give you almost 6 W/gal, which is better.

Just as an FYI since we're talking about lighting in this thread (one more piece of info to cram in your head!), the real measurement of how good a particular light is is its PAR, or Photosynthetic Available Radiation. As opposed to the W/gal. Unfortunately, light vendors don't publish PAR measurements of their lights, thus short of having a PAR meter and taking measurements, the Watts/gallon rule is the next-best option. I *THINK* that T5 have a higher PAR than PC, thus why T5 are better than PC of the same wattage. Metal Halides in general have the highest PAR, but they also don't spread light laterally as well as the bulbs that run the length of the tank. So right under the MH lamps, you get great light penetration, but off to the sides, it is dramatically reduced.
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Old 03-30-2009, 10:12 PM   #10
 
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Ok I'm understanding a bit more but the first three are T5?! not PC. I think I need to do alittle more research on these lights
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