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Old 08-07-2005, 09:17 PM   #1
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reef lighting 6500k 10k 20 k?

on my 90 gal (soon to be reef)
the lighting i am going to use is this:
3 36" shop lights with a 4 foot 4 bulb ballast in each one
(3 actnics and 3 white)
i guess with the more powerfull ballast the bulbs will be kinda overdriven in a sense
does ne1 know if this is sufficent lighting for a reef?
second should i use 6500 k, 10 k ,or 20k lights
mh is out of the picture for right now
i figure i'll be driving 40 or more watts in each tube causing them to burn a bit brighter than nornal
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Old 08-09-2005, 03:58 AM   #2
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ne1?
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Old 08-09-2005, 12:02 PM   #3
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Re: reef lighting 6500k 10k 20 k?

Quote:
Originally Posted by greatgman
i figure i'll be driving 40 or more watts in each tube causing them to burn a bit brighter than nornal
So does that mean 6x40w NO overdriven? If so you will not be able to keep much more than shrooms and a few softies.

What is the cost of something like that?

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Old 08-09-2005, 01:05 PM   #4
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Your post is a little confusing to me, anyway. Your planning on using 36" lights over a 90G? 90G is typically 48" x 18" x 24" so Im going to go with those..

Lights..

2 of these http://www.hellolights.com/superactinicr2.html
2 of these http://www.hellolights.com/aquasun2.html

1 of these http://www.championlighting.com/prod...9&cat=0&page=1

OR

1 of these http://www.hellolights.com/484xcoraqpch.html

NO output on a 90, sure...If you keep most everything at the middle or top. For the effort and $$, your should consider VHO setup if your not going MH. Penetration is a factor and 18" with NO, its going to be pretty dark at the bottom of the tank. This is of course, unless you want to stick with mushrooms and maybe some yellow polyps, etc (And it'll grownt he heck outta some algea ; )..The 36" NO is 30W. So indeed you would be over driving the tube and thus causing it to vary from its intended wavelength much sooner not to mention dimmer still as you won't get near the coverage you need. Rather then replacing your bulbs every month or 2, consider spending the $$ on the proper equipment. Much beyond LR and shrooms, in a 90G @ 18", NO even at 40W will not make you or your corals real happy..

GL!
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Old 08-09-2005, 03:29 PM   #5
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For the price you're going to pay for this setup, you might as well get a DIY VHO setup. Ballast, endcaps, bulbs and reflector/mount-in-canopy.

Even a 2x110w VHO setup would be way more ideal (one 10k/18k/20k and one actinic) and have much greater penetration. Plus your bulbs will last 6-8mo instead of 1-2 (or less since they'd be overdriven). The IceCap electronic VHO ballasts will drive NO bulbs so if you want to invest in the ballast and normal lights for now -- you can -- and then replace the bulbs with VHO (pref URI bulbs) later.
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Old 08-09-2005, 05:25 PM   #6
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As for the temperature aspect of your question, that's a matter of opinion and what's important to you. The 6500 spectrum will give you better/faster growth but terrible coloring. The 20ks give you the best color for your K but significantly little growth. Pick a number in between 10K if you want a more yellow appearance or 14k if you're looking for something a little more blue.
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Old 08-10-2005, 07:45 AM   #7
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thanks for the info and advise
dont really want the vho setup
but will get the cf setup

what about two of them (coraalife lunar aqualight 46.5")
would that be too much
havent decided on what corals i will get for now
(maybe a brain coral a flower anemone and a xenia)
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Old 08-10-2005, 04:37 PM   #8
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dont get me wrong but does ne1 know how to get it cheaper?
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Old 08-10-2005, 05:58 PM   #9
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Quote:
Originally Posted by greatgman
but will get the cf setup

what about two of them (coraalife lunar aqualight 46.5")
would that be too much
Actually it won't likely be enough depending on the species of photosynthetic animal you end up keeping. On a 75 gal these might be okay but a 90 gal is a bit deeper. I would go with no less than 4x96w PC's.

Quote:
dont get me wrong but does ne1 know how to get it cheaper?
Retrofit kit and DIY hood.

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Old 08-10-2005, 06:03 PM   #10
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Just remember that CF bulbs are expensive to replace when compared to pretty much anything else.

MH,VHO and T5's are all cheaper.
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