Whats the best color temperature for plants growth and fish visuals? - The Planted Tank Forum
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post #1 of 10 (permalink) Old 11-07-2007, 01:00 PM Thread Starter
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Whats the best color temperature for plants growth and fish visuals?

I have a hood that i can fit two bulbs in it
Either two of the same or each different
What are your opinions?


Last edited by lilflippy; 11-10-2007 at 04:01 PM.
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post #2 of 10 (permalink) Old 11-07-2007, 01:47 PM
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SunPaq Daylight 6700K
SunPaq Dual Daylight 6700K/10000K

I think Dual Daylight will be the best because it has both 6700K and 10000K, which gives you the best plant growth and looks. Actinic is only for saltwater.
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post #3 of 10 (permalink) Old 11-10-2007, 06:22 AM
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I would get the 6700k, current usas bulbs tend to be very blue IMO.

How many tubes does your tank require?

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post #4 of 10 (permalink) Old 11-10-2007, 01:41 PM
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Another vote for Dual Daylight (6.7K and 10K). I think it's a very pleasing combination to the eye. However, I will add the caveat that I'm not sure it's the best for growth. Plant-specific bulbs usually appear more pinkish.
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post #5 of 10 (permalink) Old 11-15-2007, 02:53 PM
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I currently use an 8 bulb t5 ho fixture. I run 4-6700k 3-10,000k and 1-20,000k and i really like the way it looks. The 20,000k was kind of a random decision, but since i added it the transparent fins on my angel fish have had a lot more visible color.

45 Gallon Hex- Pressurized Co2, High Light, 2 Angels, 1 Black Knife
20 Gallon- No Plants- Beta
29 Gallon- No Plants- Guppy Breeding
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post #6 of 10 (permalink) Old 11-15-2007, 02:55 PM
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GE 9325K....
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post #7 of 10 (permalink) Old 11-15-2007, 03:14 PM
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Originally Posted by Naja002 View Post
GE 9325K....
X2 if it's an option for you.
I wish they made these in 96 watt PCs

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post #9 of 10 (permalink) Old 11-30-2007, 01:20 AM Thread Starter
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6700k/10000k looks great
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post #10 of 10 (permalink) Old 11-30-2007, 01:57 AM
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If it's a 55W PC bulb, there is none better than the GE 9325K.


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