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Old 11-11-2010, 11:11 AM   #1
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Lightbulb LED Lighting...what to use???

Good Day All.

I am looking at using my old FL fixture for the new LED T-8 bulbs but I am not sure what 'colour' to use. I am setting up a FOWLR 90gal tank with the thought of upgrading (soft corals and such) in the future and want to get the best coloured bulbs right off so I don't have to do this again. Any suggestions on what bulb 'colour' I should get and what I shouldn't get?

Thanks boys and girls, your advise is appreciated!
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Old 11-12-2010, 09:57 AM   #2
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You may have better luck asking in the Hardware section. LED's are fairly new and there are only a handful of people that know about them.
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Old 11-12-2010, 10:16 AM   #3
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i've recently been looking at these ecoray LED fixtures. the 60d fixture might be good for your 90. i have heard that the best ones to have are dimmable though, so you can add just the right amount of blue and white...
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i don't think those LEDs inside the tubes are any good. the ones you want are cree LEDs. those tube ones don't have much PAR.
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Old 11-12-2010, 02:22 PM   #4
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Moved to the general Hardware and equipment discussion.
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Old 11-12-2010, 04:06 PM   #5
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I question the ability of those lights to support corals, but I'm not a SW guy. The lumens output just seems low and I don't know much about PAR.
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Old 11-12-2010, 04:17 PM   #6
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which ones are you speaking of? the tubes?
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Old 11-12-2010, 05:14 PM   #7
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Yes, the tubes. The Cree LEDs are impressive. I'm planning to use them on a planted tank sometime this winter.
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Old 11-12-2010, 05:53 PM   #8
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check out those ones i mentioned...the ecoray brand. they seem to be pretty potent.
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Old 11-12-2010, 08:31 PM   #9
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I went with the Pacific Sun 120w units for my 125. A big part of that decision was the programability of the unit. I ramp up from dawn of 5% of both blue and white increasing blue by 10% and white by 5% every minutes. After 2 hours I'm at 100% of each, though with a 20k setting I'm powering blues at 100% and white at 60%. It stays that way for 8 hours and then ramps down to dusk for 2 hours. At that poinit there's a wink out to moonlight. My moonlight follows a lunar cycle. The tank was dark for a few days, and now starts with one section on at moonrise and ramps up to all three units being at some % of the Full Moon setting of 10%

Other units may now start offering that kind of control, but I haven't seen any yet.
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Old 11-12-2010, 10:20 PM   #10
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that's called "dimmable". those ecoray fixtures don't work like that as far as i know.
how much were those pacific sun 120s?
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