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M.B.A. · #1 (**permalink**) Oct-22-2009, 05:33

I have a 2'x4'x5' Grow hut w/a 90w LED UFO, I know I have 40cuft of space just wondering how many lumens the light gives off

FreeDaHerb · #2 (**permalink**) Oct-22-2009, 14:18

Which specific UFO do you have? A "real" one or a chinese knock-off?

It's not so much the lumens thats matter but the PAR watts of light that the plants can actually use to power growth. LED does great in this dept but normally is lacking in the far red and a few other minor spectrums. If you are using just a dual color LED light of blue/red you are going to need at least one or two strong CFL's to supplement for good flowering response. In your size tent I would say you need TWO of those lights to cover it effectively.

I would buy the Procyon 100 before buying another UFO personally.

Good luck brotha, peace!

M.B.A. · #3 (**permalink**) Oct-22-2009, 16:12

Quote:

Originally Posted by FreeDaHerb

Which specific UFO do you have? A "real" one or a chinese knock-off?

It's not so much the lumens thats matter but the PAR watts of light that the plants can actually use to power growth. LED does great in this dept but normally is lacking in the far red and a few other minor spectrums. If you are using just a dual color LED light of blue/red you are going to need at least one or two strong CFL's to supplement for good flowering response. In your size tent I would say you need TWO of those lights to cover it effectively.

I would buy the Procyon 100 before buying another UFO personally.

Good luck brotha, peace!

I have the TriBand w/ blue red orange leds, its the real deal, hate them knock-offs, how much them Procyon 100's cost?

M.B.A. · #4 (**permalink**) Nov-05-2009, 05:35

anyone?

Pudish · #5 (**permalink**) Nov-05-2009, 11:17

no idea. But how long have you been using LEDs? Have you grown with CFLs or HPSs systems yet. SO far the LED industry hasn't fully made growing with LEDs (fine tuned). Know what I mean. They aren't fully ready to grow with. However they have shown promise in many other grows but I know the grows that i have seen have been like $5, grows meaning they spent that mcuh on LEDs and drivers and such. not to cost efficiant in my opinon yet.

I am not saying that LEDs wont work just that at this point they aren't the most efficient to grow with. But they do work. You might make out well with a space that size using the UFO. WHen you do grow. Please do a log. I am interested to see how you make out.

M.B.A. · #6 (**permalink**) Nov-06-2009, 02:46

Quote:

Originally Posted by Pudish

no idea. But how long have you been using LEDs? Have you grown with CFLs or HPSs systems yet. SO far the LED industry hasn't fully made growing with LEDs (fine tuned). Know what I mean. They aren't fully ready to grow with. However they have shown promise in many other grows but I know the grows that i have seen have been like $5, grows meaning they spent that mcuh on LEDs and drivers and such. not to cost efficiant in my opinon yet.

I am not saying that LEDs wont work just that at this point they aren't the most efficient to grow with. But they do work. You might make out well with a space that size using the UFO. WHen you do grow. Please do a log. I am interested to see how you make out.

It's in the indoor growing section, I have the 90w UFO and a 2 tube Shoplight w/natural sunshine bulbs. The total area is 40cuft

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