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| General Reef Discussion In this forum we discuss issues related to keeping marine and reef aquariums in a friendly flame-free environment. |
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08-25-2009, 07:35 PM
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#1
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r e e f e r 4 l i f e
Join Date: Aug 2008
Location: Douglas, AZ
Posts: 551
Reviews: 51
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Comparing PAR in various bulb types
Is there a place online where you can find a PAR (Photosynthetically Active Radiation) chart for comparing various types of light bulbs? I have been looking around and can't find anything. I just figure there must be one that exists somewhere. If it's geared specifically to reefkeeping that would be preferred as I'm interested in researching more into lighting for corals. Thanks! 
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08-25-2009, 07:47 PM
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#2
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Son of Jor El
 
Join Date: Jul 2008
Location: Springfield MO
Posts: 4,615
Reviews: 52
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I think I recall seeing something like that on manhattenreefs.
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Jeremy http://www.thereeftank.com/forums/f7...ef-119089.html
Did I ever tell you about the time Brasky went hunting? Well anyway, Brasky decides he's gonna hunt down all four members of the Banana Splits. He stalks and kills every one of them with a machete. They all beg for their lives, except Fleagul.
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08-25-2009, 08:05 PM
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#3
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Shark
Join Date: May 2007
Location: Jacksonville,FL
Posts: 1,157
Reviews: 2
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08-25-2009, 09:50 PM
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#4
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spaceman spiff
Join Date: Feb 2006
Location: south of Dimples
Posts: 10,639
Reviews: 72
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So what you're asking, I think, is a comparison between different lighting types (PC, T5, VHO, MH, LED, etc). I've never seen anything like that in terms of a apples to apples comparison. If you're looking to compare a specific type but different brands/combos, then the link above should help with MH setups, though the last time I looked at it there was only a limited number of choices when it comes to brand. I've not seen anything similar for other types of lighting.
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08-25-2009, 10:45 PM
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#5
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r e e f e r 4 l i f e
Join Date: Aug 2008
Location: Douglas, AZ
Posts: 551
Reviews: 51
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Quote:
Originally Posted by crvz
So what you're asking, I think, is a comparison between different lighting types (PC, T5, VHO, MH, LED, etc). I've never seen anything like that in terms of a apples to apples comparison. If you're looking to compare a specific type but different brands/combos, then the link above should help with MH setups, though the last time I looked at it there was only a limited number of choices when it comes to brand. I've not seen anything similar for other types of lighting.
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Well, I think the MH page above should help a bit. It's just hard to find PAR info for lighting. Watts, lumens, and color temp are pretty easy to find, just not PAR. I was, however, asking more to the comparison of PC to T5 to MH and such. Such a comparison may not actually exist though I think. I wasn't even able to find much info on hydroponic or growing sites for plants. Oh well. It's all good. Just curiosity mostly.
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08-27-2009, 05:57 PM
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#7
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r e e f e r 4 l i f e
Join Date: Aug 2008
Location: Douglas, AZ
Posts: 551
Reviews: 51
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Quote:
Originally Posted by Danyen
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Thanks a bunch!
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