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03/17/2007, 05:19 PM
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#1 |
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Registered Member
Join Date: Jan 2007
Location: Douglassville PA
Posts: 109
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metal halides question
what is the difference between 10000k and 20000k etc.
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03/17/2007, 06:44 PM
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#2 |
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Registered Member
Join Date: Feb 2006
Location: Louisville KY
Posts: 226
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the 10k is more yellow the 20k is blue.
The spectrum goes from yellow to blue in order from lowest to highest. Hope that helps |
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03/17/2007, 07:00 PM
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#3 |
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Registered Member
Join Date: Jan 2007
Location: Douglassville PA
Posts: 109
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which one is better foe reef tank
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03/17/2007, 07:15 PM
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#4 |
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Registered Member
Join Date: Feb 2003
Location: North Alabama
Posts: 3,952
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This thread has some pics that will give you an idea of the effects of different Kelvin ratings, different bulbs, etc.
As far as which is better, a lot depends on what you're wanting to do. All things being equal, the lower Kelvin bulbs will give you more growth, the higher ones give you more color. If you want something in between, go with a 13,000K to 15,000K bulb. HTH, Mariner
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DESIGN DEMANDS A DESIGNER. ~The perception is that perception is reality, but the reality is that it isn't. Current Tank Info: 75g mixed reef; 135g mixed reef |
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