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#1
01-03-2009, 12:37 AM
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I used to run the exact same bulbs as you. Giesemann True Actinic (420nm, not measured in K), and Giesemann Midday. I recently switched to Korallen-Zucht Fiji Purple and AquaScience 17500K, and am waaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaay happier with the color, and it's very obvious the bulbs are much brighter. It's too early to tell if there is a difference in coral growth though as I've only had the new bulbs for a few weeks. This combination is barely bluish. Without the Fiji Purple though, the AS 17500K is very blue, but the Fiji Purple pulls it back whiter, and really makes the colors pop. You should start to see with light bluing at about 13000K, but it really depends on the brand, and even on the ballast that is running it. 10000K is supposed to be "pure white".
T5s - on at 10am, off at 9 pm. Last edited by Myka; 01-03-2009 at 12:42 AM. 
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#2
01-03-2009, 01:52 AM
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Currently only have MH on both my 20 and 75.
They are running 3-10pm on my 75G right now.. will probably but that up by 1 hr in the coming weeks. My 20G is running 12-10:30 (175W MH)
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180G Office Reef. Started Sept 2012 http://www.canreef.com/vbulletin/showthread.php?t=88894 62G Starfire Reef. Started Jan 2013 http://www.canreef.com/vbulletin/showthread.php?t=89988
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