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Old 01-28-2013, 05:11 PM   #311
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Looks like the 32" with no optics at 120 degree will work well according to Logan. How high does everyone hang them or do they put it right on the glass?
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Old 01-28-2013, 08:12 PM   #312
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About 4 + in but I recommend about 6 to 10

Also I don't have a brace at all
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Old 01-30-2013, 10:13 AM   #313
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So, I still didn't add the optics, because I want to see if the corals under this fixture do anything different with the colored LEDs the way they are. Nothing thus far. How long do you think I should wait? A month enough?
Everything seems to be growing and coloring up at the same pace, under the straight blue/whites, and under the colored unit with UV light.
BTW, I don't know if I posted this in this thread or not but-
Ultraviolet Light, Marine Aquariums and Coral Reef Aquarium Tank, Stand, Canopy, and Aquarium Filter System
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Old 01-30-2013, 11:59 AM   #314
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Quote:
Originally Posted by mr_X View Post
So, I still didn't add the optics, because I want to see if the corals under this fixture do anything different with the colored LEDs the way they are. Nothing thus far. How long do you think I should wait? A month enough?
Everything seems to be growing and coloring up at the same pace, under the straight blue/whites, and under the colored unit with UV light.
BTW, I don't know if I posted this in this thread or not but-
Ultraviolet Light, Marine Aquariums and Coral Reef Aquarium Tank, Stand, Canopy, and Aquarium Filter System
Mr X have you added the two blue LEDs? If not are the reds still dominant in color? In your opinion which light is more appealing to the eye? Since growth is the same. Thanks
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Old 01-30-2013, 12:45 PM   #315
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Doug, I would say 2 months minimum to rate the sps growth. That way you have a longer term comparison.

In terms of if blue or red is more appealing to the eye, red is awful to look at. I am extremely happy now that I have adjusted my radions to remove the red tint from my sunrise. The red gives it the feel of compact lighting, just worse.
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Old 01-30-2013, 02:03 PM   #316
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just a FYI, if you didn't change the value fixture's purple/violet LED, they are not UV. They are violet 420nm. It is only consider UV once it reaches 400nm. Also red has nothing to do with growth as 99% of the red light get filtered out by sea water few meters deep so corals don't use red spectrum for their growth.(Same as green) The only reason why UV was consider is that it change the pigmentation of the coral to be for vibrant however, I am not sure if violet does the same thing as most ppl conside 400 to 500nm are all part of "blue" just the more closer to 400 the more "purpleish" look it has
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Old 01-30-2013, 02:10 PM   #317
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Basically then blue and white is all that's needed the others just sound better for sales?
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Old 01-30-2013, 02:18 PM   #318
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yup, you can say that. I had yet to see any true "UV" LED on fixture yet, most of them are either "purple" and "Violet". Personally instead of add the red/green etc LED, I rather go with WW, NW and CW mix, as for blue, mainly royal blue. cuz the WW has enough red and green spectrum in it to do watever the red and green provides and it will look more natrual as the color are blend in the white light rather than having patches of red and green and try to blend it that way.
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Old 01-30-2013, 02:28 PM   #319
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Nicely said thanks a lot!!
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Old 01-30-2013, 02:38 PM   #320
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What would you recommend to hang over the reef, reef breeders or taotronics? That my question and probably many others who never had LEDs.
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