Where does 8000k lay? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 08-21-2012, 11:05 PM Thread Starter
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Where does 8000k lay?

I just replaced a fluorescent bulb on my 5.5g and replaced it with a 8000k full spectrum light. Where would this stand on a scale of Low-High light demanding plants? I know that the 6000k range is good for low light plants and that 10000k is good for Reef Tanks........so what's the gradient? Lower K value the higher intensity or vice versa? I'm use to reef lighting where normally higher K is better (more along the blue spectrum).
Any help would be great! It's a 14W bulb on a 5.5g

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post #2 of 8 (permalink) Old 08-21-2012, 11:46 PM
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If I remember Amano uses 8000k, think green.
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post #3 of 8 (permalink) Old 08-21-2012, 11:50 PM
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The color or K of the bulb has nothing to do with the intensity or whether it's high light or low light, just the color. It's what look good to our eyes for the most part. 2700K looks too yellow and washed out yet plants will grow under it.


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post #4 of 8 (permalink) Old 08-21-2012, 11:55 PM
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post #5 of 8 (permalink) Old 08-22-2012, 12:01 AM
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Yes ^


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post #6 of 8 (permalink) Old 08-22-2012, 12:15 AM Thread Starter
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ok so a 14W under a 5.5 is about 2.5wpg....would that be med. light?

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post #7 of 8 (permalink) Old 08-22-2012, 01:47 AM
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I would worry more about aesthetics that PAR personally. With 1 bulb at 14 watt that's far more important than any miniscule difference in PAR you could achieve by changing bulbs.
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post #8 of 8 (permalink) Old 08-22-2012, 01:59 AM Thread Starter
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Well I think the bulbs were identical brands, just the other one needed a changing.

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