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#1
01-02-2010, 07:15 AM
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Do Phoenix Bulbs Measure Up?
I am currently running 20K AB bulbs, I love the blue but I want more growth. I am looking at either the Phoenix 14000K or the Giesemann 14500K. I can just about buy three of the Phoenix for the price of two Giesemann. What makes Giesemann so much more expensive? The Phoenix seems to be very popular, are they any good, or just a cheap bulb?
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#2
01-02-2010, 02:44 PM
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I love mine will never buy anything else again. I run mine with two t5 actinics as well and I have Starphire glass but here is a idea on the color.
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#3
01-02-2010, 02:54 PM
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Very Nice! Tall tanks are so hard to aquascape but you've nailed it! I know because of white balance sometimes its hard to tell from a picture but that blue is comparable to what my Aqualine bulbs are putting out.
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#4
01-02-2010, 06:56 PM
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I've been running Phoenix 14K for the past year and I really like them as well. I've used Giesemann 13K and 14.5K in the past and had good results with them too but with so many other variables I cant honestly say which is 'better'. However you can compare the output of two of the bulbs on Sanjay's site here: http://www.manhattanreefs.com/lighting
Phoenix 14K PPFD=88 Giesemann 13K PPFD=126 ... unfortunitally there doesnt seem to be a measure of the 14.5K. AB 20K PPFD=45 This article is one of the reasons why Phoenix bulbs have become so popular: Light Output of the Phoenix 14,000K DE MH Bulb Over Time http://reefkeeping.com/issues/2007-04/ac/index.php My tank with 14K Phoenix 
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour Last edited by whatcaneyedo; 01-02-2010 at 07:00 PM.
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#5
01-02-2010, 07:30 PM
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Very happy with Phoenix & Aquaconnect 14000k bulbs. Even as they age, the colour stays constant & my corals continue to grow well.
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If you see it, can take care of it, better get it or put it on hold. Otherwise, it'll be gone & you'll regret it!
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#6
01-02-2010, 07:46 PM
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I would have to say that the phoenix bulbs have more blue look to them, my Geismann 14500k bulbs burn white. I have always used geismann bulbs but recently have been experimenting more. Somehow I always end up using the geismann, they look the most natural. Good luck! Cheers-MM
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 90 gal SPS display+65 gallon mixed reef GEAR: Korallin calcium reactor, bio pellets, digital aquatics controller, Tunze ATO, MP40, 4 x Tunze 6105 w/controller, Reef Octopus Xp3000 ext, 2x250w MH, Futura LED.
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