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Old 03-17-2004, 07:35 PM   #1
compulsion
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i found these on an aquatic website..

has anyone seen these before.. are they really 18000k? click 'Click Here For Big Picture' to see the tech info....

damnit ill have 6!!!

http://www.aquatics-warehouse.co.uk/...UAGLOW_71.html
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Old 03-17-2004, 07:37 PM   #2
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Good bulbs... just another hint that Kelvin numbers are meaningless...

<<<getting popcorn ready>>>
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Old 03-17-2004, 07:44 PM   #3
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POPCORN BURNT!!!!! :P
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Old 03-17-2004, 07:49 PM   #4
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why is kelvin meaningless ?
does this mean they aint that special at all?
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Old 03-17-2004, 08:00 PM   #5
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The color temperature of the bulb is meaningless for plants.

If you think that the higher the K, the better the bulb, you are mistaken...
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Old 03-17-2004, 08:19 PM   #6
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K values are meaningfull to saltwater stuff, but apparnetly not freshwater plants.
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Old 03-17-2004, 08:49 PM   #7
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I recently read that aqua-glo and powerglo bulbs are not actually 18,000K like it says on the box. The site I found said both in the range of 5000-6000K. Both are quite good for growing plants I believe.

Right now I am using a power-glo and have been impressed.
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Old 03-17-2004, 09:09 PM   #8
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I have two of those Aqua-glo bulbs on my tank being Overdriven. Pretty good bulb i'm getting good growth
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Old 03-17-2004, 09:42 PM   #9
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Those ought to be good grow bulbs, if they can really get the red peak up that high. I have my doubts; been told by a knowledgeable manufacturer that phosphors for high red peaks are very expensive.

Quote:
Originally Posted by compulsion
i found these on an aquatic website..

has anyone seen these before.. are they really 18000k? click 'Click Here For Big Picture' to see the tech info....

damnit ill have 6!!!

http://www.aquatics-warehouse.co.uk/...UAGLOW_71.html
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Old 03-17-2004, 10:35 PM   #10
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I use Aqua Glow and Power Glow bulbs.. they are both excellent for growing plants. I have no complaints. My 45 Gallon is lit with 2 power glo's.. my 135 has 2 power glo's with the GE CF bulbs... My 90 Gallon has one Power Glo, my 30 gallon has a Power Glo... I could go on
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Old 03-17-2004, 10:40 PM   #11
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would running some 30Ws on a 36W ballast count as overdriven? i may buy some 30W's instead of the arcadia's thanks to everyone for the feedback.. shame they aint actually 18000k. i thought it was to good to be true, at the price..
would running some 30Ws on a 36W ballast count as overdriven? more to the point. would it be safe
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Old 03-17-2004, 10:44 PM   #12
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I would have to say they are pretty close to 18000k... They are absolutely not anywhere near 5000k.. The bulbs look more purple then the GE 9300k bulbs.

Are trying to run these T8 bulbs in a Magnetic ballast?
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Old 03-17-2004, 10:57 PM   #13
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its a T8 ballast but its not magnetic..
its a elect high frequency ballast
rated 32/36W to be specific...
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Old 03-17-2004, 11:00 PM   #14
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Then your set.. just plug in the bulbs and your good to go. And no, you arent overdriving the bulbs.
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Old 03-17-2004, 11:08 PM   #15
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ive read the tech specs for the ballast, everything seems all hunky doory.. but for this ballast it says 1200mm tubes.. will it be ok useing 3footers? i mean there still rated the same wattage right..

thanks gdominy. much appriciated
ill let ya know how it goes.
soon ill post pics of my tank.
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