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 8787sunshine
classic stoner
Registered: 04/23/08
Posts: 2,143
Last seen: 3 years, 3 months
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 How come 24 hour ight is no longer recommended? 
#743478 - 08/10/14 01:41 AM (10 years, 4 months ago) |
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I grew a long time ago under lights and we used 24 hour light. Now they say to use 22 at the most with a two hour dark period. I searched for this and couldn't find anything concrete so i thought I'd ask the question.
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Bombing swords exit the murder charge left it exposed supposed words sex trip further on you took off your clothes
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webster10
Registered: 12/15/13
Posts: 466
Last seen: 9 years, 1 month
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Re: How come 24 hour ight is no longer recommended? [Re: 8787sunshine]
#743486 - 08/10/14 06:48 AM (10 years, 4 months ago) |
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I assume you're talking about autoflowers.
Maybe because any light over 22 hours is useless for the plant kind of like how any light over "x" for vegging plants is useless.
If you're talking about photosensitive plants, 22 hours is not ideal lighting. 18/6 is for photosensitive veg
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 Deadkndys420
Registered: 08/28/12
Posts: 8,703
Loc: █████
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Re: How come 24 hour ight is no longer recommended? [Re: webster10]
#743492 - 08/10/14 09:22 AM (10 years, 4 months ago) |
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There is still a lot of debate on that question. This is what a trusted grower from marijuana passion told me.
Quote:
That is one of the common misconceptions about cannabis. Some plants need a dark period and some plants don't. Like Sunakard mentioned, cannabis is one that doesn't need a dark period--there is no benefit to a dark period when in veg. Running 18/6 encourages the plant to stretch (looking for light) during the dark period, 24/7 light and the plant will grow--develop new internodes rather than stretch.
Even Ed Rosenthal recommends 24 hr lighting.
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8787sunshine
classic stoner
Registered: 04/23/08
Posts: 2,143
Last seen: 3 years, 3 months
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Re: How come 24 hour ight is no longer recommended? [Re: Deadkndys420]
#743498 - 08/10/14 10:51 AM (10 years, 4 months ago) |
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In High Times they are recommending at least two hours of dark per day. I never had any problem with 24 hour light.
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Bombing swords exit the murder charge left it exposed supposed words sex trip further on you took off your clothes
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bEelzeBosS
Are my eyes red?
Registered: 11/15/13
Posts: 706
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Re: How come 24 hour ight is no longer recommended? [Re: 8787sunshine] 2
#743500 - 08/10/14 10:57 AM (10 years, 4 months ago) |
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These days you're probably better off doing the exact opposite of anything High Times recommends...
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8787sunshine
classic stoner
Registered: 04/23/08
Posts: 2,143
Last seen: 3 years, 3 months
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Re: How come 24 hour ight is no longer recommended? [Re: bEelzeBosS]
#743520 - 08/10/14 12:53 PM (10 years, 4 months ago) |
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I'd ask High Times but they probably wouldn't answer me back.
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Bombing swords exit the murder charge left it exposed supposed words sex trip further on you took off your clothes
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Stoneth
D.I.L.L.I.G.A.F.
Registered: 10/06/08
Posts: 25,052
Loc: No where ville, USA 
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Re: How come 24 hour ight is no longer recommended? [Re: 8787sunshine]
#743522 - 08/10/14 01:00 PM (10 years, 4 months ago) |
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Dude Hightimes suck.
They are far from reliable these days.
All about the money, not the facts.
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8787sunshine
classic stoner
Registered: 04/23/08
Posts: 2,143
Last seen: 3 years, 3 months
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Re: How come 24 hour ight is no longer recommended? [Re: Stoneth]
#743523 - 08/10/14 01:09 PM (10 years, 4 months ago) |
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Has anyone else heard about the new 22 hour day?
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Bombing swords exit the murder charge left it exposed supposed words sex trip further on you took off your clothes
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Midgetpawn
Registered: 06/21/13
Posts: 577
Last seen: 4 years, 5 months
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Re: How come 24 hour ight is no longer recommended? [Re: 8787sunshine]
#743524 - 08/10/14 01:12 PM (10 years, 4 months ago) |
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I personally just think plant's need down time to rest like people do.
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: How come 24 hour ight is no longer recommended? [Re: Stoneth]
#743619 - 08/11/14 01:05 AM (10 years, 4 months ago) |
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Quote:
Stoneth said:
Dude Hightimes suck.
They are far from reliable these days.
All about the money, not the facts.
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Dude she isn't as young as she use to be.
-niteowl
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KaptKid
Spaced Pirate
Registered: 04/20/08
Posts: 5,615
Loc: Bright Side of the Sun
Last seen: 1 year, 1 month
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Re: How come 24 hour ight is no longer recommended? [Re: Midgetpawn]
#743715 - 08/11/14 11:03 PM (10 years, 4 months ago) |
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Quote:
Midgetpawn said:
I personally just think plant's need down time to rest like people do.
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Child of the 60's, Tripping ever sence.
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Midgetpawn
Registered: 06/21/13
Posts: 577
Last seen: 4 years, 5 months
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Re: How come 24 hour ight is no longer recommended? [Re: KaptKid]
#743727 - 08/12/14 05:58 AM (10 years, 4 months ago) |
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I mean these plants have been in our planets day night cycle for so long that they must have developed at least some processes that take place in the dark veg cycle. Unless the dark does nothing but delay the plants normal processes... I really don't know. I just think if 12 hours of dark starts the flowering process, then the dark in general is having an important effect on the plant. Even if the plants were to grow larger faster in 24 hours of light, is it at a cost? maybe the final product will be missing some of the 400 or so normal compounds they create or something else that's not at all obvious. I'd like to see some obsessive comparisons that covers everything including long term detailed smoke test comparisons.
For sure your plants won't die with a normal vegetation period using 24 hours of light, but I personally will be going with the more nature like option and giving plants a dark period. When in doubt look to nature. I guess.
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RasJeph
Psycho Pete
Registered: 01/14/09
Posts: 11,657
Loc: Bumfuckt Egypt
Last seen: 1 year, 1 month
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Re: How come 24 hour ight is no longer recommended? [Re: Midgetpawn]
#743730 - 08/12/14 07:38 AM (10 years, 4 months ago) |
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Meh. I run 24/0 with no problems. Mainly because I'm too cheap to buy a second timer and fuck it, cfl is cheap to replace when they burn out.
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Of course it's happening inside your head.
Why should that mean it isn't real?
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bEelzeBosS
Are my eyes red?
Registered: 11/15/13
Posts: 706
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Re: How come 24 hour ight is no longer recommended? [Re: Midgetpawn]
#743745 - 08/12/14 10:30 AM (10 years, 4 months ago) |
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Quote:
Midgetpawn said:
For sure your plants won't die with a normal vegetation period using 24 hours of light, but I personally will be going with the more nature like option and giving plants a dark period. When in doubt look to nature. I guess.
Yeah, not to mention the savings on your electric bill...that's the main reason I give mine 6 hours of darkness.
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oeric mckenna
Pure Indica
Registered: 07/18/14
Posts: 758
Loc: Mars
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Re: How come 24 hour ight is no longer recommended? [Re: bEelzeBosS]
#743820 - 08/13/14 12:59 AM (10 years, 4 months ago) |
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Well...
In botany, they say all plants need a dark period. Many argue that 24hr light is not ideal.
Most growers I've metg run 18/6 veg. it saves power.
I run 24 and I seem to notice more growth and faster re-grow from pruning. (Pruning addict)
Its low wattage t5s and standard flouros tho but you'd have to weigh in costs as well for higher wattage lighting use.
The other thing I like about 24 hr light is the reluctance to form hairs early on older clones as well as the ability to mess with my plants at anytime day or night.
I've seen no apparent damage/stresses/herm action from 24 hr veg that I can observe.
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***Handing someone your life's work....in a single seed =  ***
HIGHER THAN A GEORGIA PINE
Oeric's Winter Grow Projects
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: How come 24 hour ight is no longer recommended? [Re: KaptKid]
#743847 - 08/13/14 01:39 PM (10 years, 4 months ago) |
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Quote:
oeric mckenna said:
Well...
In botany, they say all plants need a dark period. Many argue that 24hr light is not ideal.
Most growers I've metg run 18/6 veg. it saves power.
I run 24 and I seem to notice more growth and faster re-grow from pruning. (Pruning addict)
Its low wattage t5s and standard flouros tho but you'd have to weigh in costs as well for higher wattage lighting use.
The other thing I like about 24 hr light is the reluctance to form hairs early on older clones as well as the ability to mess with my plants at anytime day or night.
I've seen no apparent damage/stresses/herm action from 24 hr veg that I can observe.
Quote:
KaptKid said:
Quote:
Midgetpawn said:
I personally just think plant's need down time to rest like people do.
This is true, while Marijuana doesn't need a dark cycle to survive, they do have different gas exchange properties that happen during the dark cycle.
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Dude she isn't as young as she use to be.
-niteowl
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