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Old 11-25-2012, 12:47 AM   #421
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Quote:
Originally Posted by audifusion
I'm looking into 100w cree's. it's basically 20 of the 5w cree xpg mounted on a little chip.

It pumps out 13000 lumens,

Do you guys think that would be too bright?
It's too much in one spot. I think 10w Crees spread out are better. Your tank is 4ft deep right?
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Old 11-25-2012, 10:06 AM   #422
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30" deep
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Old 12-22-2012, 10:14 AM   #423
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Got my 100w cree xpgs.


These things are crazy.
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Old 12-22-2012, 01:58 PM   #424
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How they look, must be really bright
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Old 12-23-2012, 05:21 PM   #425
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they are super bright.


13000 lumens to be exact.

going to do the wiring on the rest tomorrow and
install them over the tank.

The colour temp is perfect too
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Old 02-02-2013, 10:22 AM   #426
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Those who used these lights, what configuration of led floodlights can you recommend for a 140 Gal freshwater planted tank? I am looking for medium light, dimensions are 5 feet length by 18 inches width and 22 inches height. There's a bar in the middle so it'll make more sense to work with an even number of fixtures. 2x50W? 4x30W? 4x20W? 2x30 and 2x20?

Please advise!
Thanks,
Kat.
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Old 02-02-2013, 12:36 PM   #427
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Ibrahim, are these the lights you suggest? Its for my 90 gallon tank 48 X 18 X 25. I'm currently using the Nova Extreme Pro 8 X 54 watt. About to take the plunge on these here. Would 2 of these be good or would I need 3?


http://item.mobileweb.ebay.com/viewi...w=140909308109
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Old 02-02-2013, 01:54 PM   #428
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Originally Posted by Rich42082
Ibrahim, are these the lights you suggest? Its for my 90 gallon tank 48 X 18 X 25. I'm currently using the Nova Extreme Pro 8 X 54 watt. About to take the plunge on these here. Would 2 of these be good or would I need 3?

http://item.mobileweb.ebay.com/viewi...w=140909308109
Yea, many people who have bought them on this forum have been pleased greatly by them. Mr X has a few over his 300g
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Old 02-02-2013, 02:07 PM   #429
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Great thanks, so I'll buy 2 of these then.
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Old 02-02-2013, 08:25 PM   #430
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Quote:
Originally Posted by thecatisontheloose
Those who used these lights, what configuration of led floodlights can you recommend for a 140 Gal freshwater planted tank? I am looking for medium light, dimensions are 5 feet length by 18 inches width and 22 inches height. There's a bar in the middle so it'll make more sense to work with an even number of fixtures. 2x50W? 4x30W? 4x20W? 2x30 and 2x20?

Please advise!
Thanks,
Kat.
I use them and for medium light I would get 4x20W 6000-6500K daylights. One 20W daylight over my 20H is enough to get great growth from my HC which is a very high light plant. Anything more than the 20W may give you big algae issues without high CO2 and careful control of the water parameters. You may want to try 2x20s and see the spread but because of the fact that a single point light source can struggle with casting more shade, I think 4 would be needed. I had to add a 10W to my setup because the large driftwood blocked the light on the left.

Please let us know what you decide. I have no problems growing anything with these lights. The HC is VERY compact and low growing and spread fast even before I augmented it with the 10w.
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