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Old 11-04-2011, 08:09 PM   #21
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Quote:
Originally Posted by FTMMWS

Yes This,very impressive,,love the mushroom carpet..Kinda what i want in mine someday..
I'd love to see a vid of your scrubber system too..How long have you been running it?
Almost 20 years.
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Old 11-04-2011, 08:09 PM   #22
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Great looking tank! I've never seen soo many mushrooms in one place before. lol
Neither have I.
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Old 11-04-2011, 09:21 PM   #23
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Tank looks great! That's quite the crop of anthellia you got there.
I pull baseball size hunks out and trot it to the LFS every few weeks and you can't tell I am doing it at all. The clown fish love it and it seems to be very tame as far as most corals go, it doesn't seem to sting anything.
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Old 11-05-2011, 09:59 AM   #24
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I do the same thing. I have it growing on the back wall of my tank and take it to my LFS for store credit.
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Old 11-06-2011, 01:22 AM   #25
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When it decides to grow, it really grows. But I like something that flows in the current and adds movement.
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Old 11-06-2011, 02:39 PM   #26
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Watching YouTube videos of other peoples led reefs and a problem occurs to me.
All I found was Marineland and DIY systems with the Cree LEDs, but the biggest I found was only just over 60 watts.
IMO, a 60 watt LED panel is only equivalent to about 120 watts of MH at best. I am seeing big tanks lit with only one or at best two of these fixtures, then complaints that they don't grow coral fast enough. I think too much is being expected from the LED panels. Watts are watts, and while the LEDs can concentrate PAR using lenses, deeper into a tank, the overall lumen values are at best 2:1 in favor of LEDs. Again, this is my experience from moving from 900 watts of MH, to at first, 360 watts of LED. I have now upgraded to 560 watts of LED and believe I now have as much light as I had with the old MH and actinic system. That would be almost 10 of those 60 watt Cree panels for a 250 gallon. In the videos I see them trying to use up to three of them to light a big tank. That's only 180 watts, or about +300 watts of MH. Not much.
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Old 11-06-2011, 03:14 PM   #27
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i beg to differ those are equivillent to a 120w MH fixture. its not all just about hthe lumens they output or the lumens that the MH. LEDs are a tiny point light which means the optics that are developed for them are much more persice and are able to focus all the LEDs power into a set area, where the MH are so big that the optics can only light a set space at a set power. most MH are used to light up a 24x24 area while a cree LED is used to light up abotu 15-19 square inches which is enough to keep SPS and clams. like a T5HO lamp individually reflected is designed to like up 3 inches ok tank along the length of the lamp which again is good enough for SPS and clams.

MH are out dated in my opinion, their optics are not able to harness all the light output that they are capable of and even if they were they would be stupid inefficiant and most likely would never be used
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Old 11-06-2011, 06:21 PM   #28
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i beg to differ those are equivillent to a 120w MH fixture. its not all just about hthe lumens they output or the lumens that the MH. LEDs are a tiny point light which means the optics that are developed for them are much more persice and are able to focus all the LEDs power into a set area, where the MH are so big that the optics can only light a set space at a set power. most MH are used to light up a 24x24 area while a cree LED is used to light up abotu 15-19 square inches which is enough to keep SPS and clams. like a T5HO lamp individually reflected is designed to like up 3 inches ok tank along the length of the lamp which again is good enough for SPS and clams.

MH are out dated in my opinion, their optics are not able to harness all the light output that they are capable of and even if they were they would be stupid inefficiant and most likely would never be used
The lensing makes the coverage very different, but the biggest difference IMO is the actual PUR available with LED over MH. The LED spectrum has a lot more available energy for coral growth for the same wattage. I was talking about apparent brightness, or lumens. I have measured a 400 watt MH bulbs and they ranged from 30,000 - 40,000 lumens. My 300 watt LED panel makes just over 18,000 lumens. I do not think a 60 watt LED panel, no matter the emitters used, even the best ones, P4's, can deliver the light output a 250 watt MH can. And I am a huge proponent of LEDs, I am just trying to be conservative in my expectations. And as always, just my observations in my own system. I am going to take measurements with the new P4 emitters that come from the flashlight world, they might be much more efficient explaining your observations. My observations were with panels that were composed of hundreds of 2 watt white and blue emitters. I would need 6 of the Cree panels to cover my tank for even illumination, as they are so focused. But I agree that all other forms of lighting other than MAYBE plasma are dying technologies.
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Old 11-10-2011, 02:53 PM   #29
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Well the bar has just been set higher yet again. That coral growth is awesome! Everything seems to be thriving.
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Old 11-10-2011, 04:37 PM   #30
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Well the bar has just been set higher yet again. That coral growth is awesome! Everything seems to be thriving.
As we say, "the proof is in the pudding." I always wondered where that saying came from, but you get the idea. I am going to get more scientific about it as observation of coral growth can have a lot of different factors. But the results seem to be that you don't have to spend a fortune to have the advantages of LED and this trend will only accelerate from here.
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