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View Poll Results: Can LED's do 1 pound or better each harvest? If so, how many watts are needed?
No 55 9.40%
Yes, 250 watts 43 7.35%
Yes, 400 watts 133 22.74%
Yes, 600 watts 205 35.04%
Yes, 1K and up 149 25.47%
Voters: 585. You may not vote on this poll

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Old 09-16-2011, 12:01 AM #1
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Can LED's do a pound or better per harvest?

So can LED's give a pound or better at every harvest?

if so, how many watts are needed?

thanks
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Old 09-16-2011, 12:03 AM #2
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Probably could if you had about a million of them.
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Old 09-16-2011, 12:37 AM #3
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I don't believe that current LED technology breaks the 1gpw guide. People can do worse than 1gpw, and they can do better. 1gpw is the bar.

Also, we mean REAL watts of the lights. Real and in how much power they draw, less the fans. Not the rated watts.

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Old 09-16-2011, 12:39 AM #4
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i got almost 6 oz from a 205w unit and that was under bad conditions...
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Old 09-16-2011, 03:25 AM #5
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so far

2 no's
2 600's
and
1 400

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Old 09-16-2011, 03:32 PM #6
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so we have a trend for sure...

seems the consensus thus far is 600 watts of LED's can produce 1 lb+ each harvest.

keep the votes coming in, i'm curious as to the thoughts of the ICMAG community.
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Old 09-16-2011, 03:40 PM #7
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Just curious, what's the cost of 600w of LEDs?
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Old 09-16-2011, 03:49 PM #8
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i'd say 600 watts of LED's that are worth anything are $1300 to $3000.
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Old 09-16-2011, 07:12 PM #9
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LED's give you much, much less heat (as compared to hps), much longer life, more energy efficient due to no wasted light spectrum, short tight nodes and according to some, frostier buds...

you have no worries about FLIR, you have no hps heat to dissipate, no bulbs to replace every 1-2 yrs and you have lower temps in your grow room.

i know start-up costs are prohibitive for a lot and that is really the biggest argument against LEDs.

With life expectancy at 10 yrs+, to me the cost of LEDs is worth it. When you consider the price of extra cooling for the grow room and hps light, energy used for additional fans because of the hps, bulb replacement costs, being visible to FLIR (only if running enough watts) and plenty of wasted light spectrum, those costs may in fact add up to or exceed the costs of the LEDs. i guess that really depends on each individual setup and grow room.

anyway, enough rambling from me...

keep the votes coming in.
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Old 09-16-2011, 07:32 PM #10
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Quote:
Originally Posted by GP73LPC View Post
LED's give you much, much less heat (as compared to hps), much longer life, more energy efficient due to no wasted light spectrum, short tight nodes and according to some, frostier buds...

you have no worries about FLIR, you have no hps heat to dissipate, no bulbs to replace every 1-2 yrs and you have lower temps in your grow room.

i know start-up costs are prohibitive for a lot and that is really the biggest argument against LEDs.

With life expectancy at 10 yrs+, to me the cost of LEDs is worth it. When you consider the price of extra cooling for the grow room and hps light, energy used for additional fans because of the hps, bulb replacement costs, being visible to FLIR (only if running enough watts) and plenty of wasted light spectrum, those costs may in fact add up to or exceed the costs of the LEDs. i guess that really depends on each individual setup and grow room.

anyway, enough rambling from me...

keep the votes coming in.
I would bet that 1w of HPS heat = 1w of LED heat in almost every garden LED light setup available. Just because you can touch the LED's, doesn't mean there isn't heat. There is a reason the back of those panels are full of fans.
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Learning to make my own medicine
Thank goodness for compassionate California and Prop 215

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**Cloning failing?
Chlorine could be the missing link: ICMAG Link

Check Your Hydro Hoses!!! NGW Hose toxic issue: ICMAG Link

Fear Mongering doesn't require a shred of proof. It's just a bunch of garbage that instills fear and anxiety into those who don't have the facts.

Please vote for a dedicated Cloning/Propagation & Mother's Forum: https://www.icmag.com/ic/showthread.php?t=226281

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