T8 Bulbs need to be broken in? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 6 Old 10-22-2009, 12:16 PM Thread Starter
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T8 Bulbs need to be broken in?

To gt right to the point, instead of having 4 50/50 bulbs, I got 2 18,000K and 2 actinic. My tank is now REALLY dark. do T8's need to be broken in? It doesn't look bad...just rather dark.

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post #2 of 6 Old 10-22-2009, 12:20 PM
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Originally Posted by HardCory View Post
To gt right to the point, instead of having 4 50/50 bulbs, I got 2 18,000K and 2 actinic. My tank is now REALLY dark. do T8's need to be broken in? It doesn't look bad...just rather dark.
its because they emit blue light not the normal whitey coloured light.
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post #3 of 6 Old 10-22-2009, 08:56 PM
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^^^ He got it. 18000K is a bit on the blue side of things. Usually even MHs are around 14000K from what I have seen. Any reason for choosing that blue of a light? that high of a K temp is really cutting out your lights output/penetrating power...
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post #4 of 6 Old 10-23-2009, 07:28 AM Thread Starter
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it comes down to I'm an idiot. the brand I bought didn't have a 10,000K bulb which is what I would have gone with. I think it was 4500K, 6500, and then it jumped to 18,000K. And since I don't know too much about light temps and what no, I went with the one that said it was for saltwater. Should I return them and just get a different brand so I can get 10,000K?

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post #5 of 6 Old 10-23-2009, 07:30 AM
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Originally Posted by HardCory View Post
it comes down to I'm an idiot. the brand I bought didn't have a 10,000K bulb which is what I would have gone with. I think it was 4500K, 6500, and then it jumped to 18,000K. And since I don't know too much about light temps and what no, I went with the one that said it was for saltwater. Should I return them and just get a different brand so I can get 10,000K?
Your fish and plants wont mind, the plants can still use the 18000k light

Its more personal preference.
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post #6 of 6 Old 10-23-2009, 05:16 PM Thread Starter
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Cool. It's just a fish only so I don't have corals to worry about. It does look nice, its just darker what I'm used to.

For those who have live rock! ...We salute you!
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