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Old 05-29-2010, 11:37 PM   #11
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Is this tank 36x12x20?
You should be fine with that amount of light for those low - mid light corals.
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Old 05-31-2010, 03:09 PM   #12
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So I checked my actinics, its a 420nm bulb. Not sure what my PC would be, but it produces alot more light than my T5s as it should being 96 watts
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Old 05-31-2010, 05:46 PM   #13
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Okay, I am a little confused here. What color are your t5 bulbs and what color are your PC bulbs?

If you have actinics (420nm) as your t5 bulbs, you would do well to swap them out for two ATI Blue Plus bulbs. If they are already some type of 460nm bulb, them leave them be. (Unless they are old and need changing).

If your PC bulbs are 420nm, swap them out for some 460nm PC bulbs. (Make sure you get the right socket type!).

The 420nm doesnt output much PAR especially if its a PC bulb. Right now I have 3 ATI blue plus bulbs and one ATI AquaBlue Special and my tank is light blue. SPS corals are under the AquaBlue Special.

You can support some LPS if you so choose as well. I used to have PC lighting back with LPS, but switched to t5 when I got a crocea clam and some SPS corals.

PS-Xenias...Yuck...

Matt
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Old 06-01-2010, 10:31 AM   #14
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ok, both my T5s and my PC are 10k bulbs and 420nm actinics. I like my PC with the 10k bulb because it lights up my tank more. So I can switch out my T5s and have that blueish look to my tank ?? If so, I'll have to ditch at least one of my T5 bulbs and replace it with one like you said.

Thanks for your help as bulbs are one thing that really confuse me in SW !!

PS- Xenias...spread like weeds, but my LFS will give me credit so he can turn around and resale them !! Plus, anything that will help reduce nitrates right ??!!
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Old 06-01-2010, 11:13 AM   #15
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Moving this to the General Hardware and equipment discussion forum.
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