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  #1  
Old 01/10/2008, 06:07 PM
StrategicReef StrategicReef is offline
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Location: Livermore CA
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T5 users: is 6500K needed?

I am running one sunlight bulb out of 6 of them color temp 6500K.

It would be a good bulb for a room like reading a book but seem to cast a yellow tint on the whole tank and I think this bulb is the cultprit?

The question is does the SPS need this to grow well, or should I swap it with something more white and blue, some numbers I got says the sunlight bulb is around 340 PAR and ATI blue plus is like 310 or so. Or maybe swap this out for a red bulb ATI pro color but much weaker PAR.
  #2  
Old 01/10/2008, 06:24 PM
ozadars ozadars is offline
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There will be some PAR lost but why not go with ATI Aquablue Special. It is white (not yellow white) and has high PAR value.
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  #3  
Old 01/10/2008, 06:45 PM
twon8 twon8 is offline
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what other bulbs are you running?
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  #4  
Old 01/10/2008, 06:50 PM
StrategicReef StrategicReef is offline
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3 AquaZ oceanpro (a 10k kind of bulb similar to ATI Aquablue in color and PAR)
and 2 blue bulbs about 420 nm, 1 is AquaZ 1 is Marine GLO but they are very similar color.
  #5  
Old 01/10/2008, 07:22 PM
Fraggle Rock2 Fraggle Rock2 is offline
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I'd say since you don't like how your tank looks just take it out. You likely don't "need" it. I'd switch for a 10kK to a 14kK.

You might have the same problem with that ATI red bulb...but maybe not. I tried it and it was way to purple, but I only have a 4 bulb fixture.
  #6  
Old 01/10/2008, 08:50 PM
twon8 twon8 is offline
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i would put two ati blueplus bulbs in, one uv actinic, take out two of the oceanpro and the ge.
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  #7  
Old 01/11/2008, 10:29 PM
blmeier7 blmeier7 is offline
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I removed a 6500k bulb from my 4 bulb T5 configuration not quite a year ago because I didn't want the yellow tint. I have not had any problems and my corals are still growing well.

FYI I am running 2-aquablue +, 1 aquablue special, and 1 pure actinic
  #8  
Old 01/12/2008, 03:22 AM
StrategicReef StrategicReef is offline
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Hello Twon8 is the UV Actinic a real deep blue? is it wise to change out 2 "blue" tubes for the actinics? (lI believe osing some par but I bet the fluorecent colors are better).. what happens to the actinics when overdriven?

So far I swapped out the 6500K and a white bulb and replaced with a AquaBlue and Pro Color, the color is more like MH, but not too red on my 6 bulb setup.
 

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