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  #1  
Old 02-01-2007, 09:14 PM
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Default Lighting Times, 18 vs. 20 vs. 24

I see lots of variations people are using during the vegetation period ranging from 18 to full 24.

Is turning off the lights for a few hours purely to save electricity, or is there some theory of diminishing returns after a certain max number of hours?

If money or detection is no object, is 24 the way to go, no brainer?

Answer me or not here, we all know you know the answer. Just give it up and make it easier on yourself.

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Old 02-02-2007, 03:05 AM
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i started out growing using 24 religiously. then after some reading, i decided to test 18/6. this has worked better for me, overall health improving in my clones.. of course this could be coincidence. What struck me was this post: What is better 18 hours or 24 hours of light..
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Old 02-02-2007, 05:10 AM
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Old 02-02-2007, 05:11 AM
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i believe the plants need a resting period from the light as they would in nature ,i have allso read in a few places that plants can only photosynthesise sp? for upto 18 hours a day .
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Old 02-02-2007, 04:21 PM
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Yeah Sativa is right, they need a rest from the light. I'd go 18/6
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Old 02-02-2007, 05:42 PM
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im all for 18/6. i start with 24h tho, then switch to 18/6.......then to 12/12...as you all kno
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Old 02-13-2007, 02:40 AM
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I also read somewhere that plants can only photosynthesize 18 hours of a day and require 8 hours for rest.

Why Should I turn out the lights? - CANNABIS.COM Message Boards - Quality Marijuana and Hemp Information

Is this BS or what
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Old 02-13-2007, 05:09 AM
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i wouldnt say it was bs ,it makes sense to me ,all we are doing is trying to create out doors indoors and in the out doors the plants have a dark period so to me it makes sense to have a dark period when we grow indoors,
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Old 02-13-2007, 07:48 AM
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Proven fact: Plants roots grow faster with 16 hours light 8 hours dark.
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Old 02-13-2007, 02:19 PM
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