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OfflinePilze
Funky Monk


Registered: 10/11/09
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a question about vegging light hours
    #321421 - 11/25/09 12:43 PM (7 years, 9 days ago)

ive heard to veg them for 24 hours a day and ive also heard 18/6 a day.

does it matter? id like to throw mine onto a timer so i can give both the light and the plant a rest for a few hours. i figure it would be in the best interest of both the plant and i, if i were to use a timer at 18/6. id save a little bit more money a month, which is always nice.

but i have some clones that havent fully rooted yet, how would they take to the 18/6 lighting switch? or do they need 24 hour light constantly until rooted? i mean, they have roots, just not coming out of the bottom quite yet., just not out of the bottom yet, and its under a 150 watt HPS. i figured it wouldnt kill em. theyre far enough away to get burned up.


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InvisibleHarry_Ba11sachM
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Registered: 04/20/08
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Re: a question about vegging light hours [Re: Pilze]
    #321423 - 11/25/09 12:56 PM (7 years, 9 days ago)

it depends 100% on who you ask. some people swear 24 hours of light is the best, some people swear that 20/4 or 18/6 is the best. since cannabis is a C4 plant they don't actually need the darkness for them to complete their secondary photosynthetic pathways, but I still give mine a little darkness every day, if nothing else than just to give them some sort of photoperiod so it's not a shock when I cut it down to 12/12.

I veg at 21/3. don't ask me why, I'm weird, and that's the way I do it. :lol:


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InvisibleDr. SiekadellykM
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Re: a question about vegging light hours [Re: Harry_Ba11sach]
    #321425 - 11/25/09 01:01 PM (7 years, 9 days ago)

I normally run either 18/6 , or 24/0 for veg...

but I used to set it to 16/8 to save electricity $


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OfflineAudz


Registered: 03/19/09
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Re: a question about vegging light hours [Re: Dr. Siekadellyk]
    #321636 - 11/25/09 06:35 PM (7 years, 9 days ago)

I use 20/4, but mainly because 1pm to 5pm is the hottest time of the day.


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InvisibleDoPeYsMuRf

Registered: 08/14/09
Posts: 645
Re: a question about vegging light hours [Re: Pilze]
    #321686 - 11/25/09 09:10 PM (7 years, 9 days ago)

I like 24 on in veg.

It lets me have the flexibility of when I want to flower them.

With no night cycle ever initiated I can begin it at any time I desire.


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InvisibleHawksresurrection
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Re: a question about vegging light hours [Re: DoPeYsMuRf]
    #321705 - 11/25/09 10:51 PM (7 years, 9 days ago)

24 for me as well.  I have noticed no draw backs to this as of yet, except maybe a slightly higher electric bill.


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InvisibleStonethM
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Re: a question about vegging light hours [Re: DoPeYsMuRf]
    #321743 - 11/26/09 01:58 AM (7 years, 9 days ago)

Quote:

DoPeYsMuRf said:
I like 24 on in veg.

It lets me have the flexibility of when I want to flower them.

With no night cycle ever initiated I can begin it at any time I desire.



As long as the plants get 18 hrs of light, both those things are true.


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InvisibleHarry_Ba11sachM
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Re: a question about vegging light hours [Re: Stoneth]
    #321757 - 11/26/09 02:28 AM (7 years, 9 days ago)

i think what he's saying is that if your 20/4 cycle has lights off from 1-4pm, you can't have the night cycle for flowering start at 9pm and run until 9am or they're going to freak out initially


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OfflineKaptKid Happy Birthday
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Re: a question about vegging light hours [Re: Audz]
    #322017 - 11/26/09 05:02 PM (7 years, 8 days ago)

Quote:

Audz said:
I use 20/4, but mainly because 1pm to 5pm is the hottest time of the day.




I also do this with the fluorescent lights. The 1000 watt gets 18/6.


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OfflinePilze
Funky Monk


Registered: 10/11/09
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Re: a question about vegging light hours [Re: KaptKid]
    #322020 - 11/26/09 05:12 PM (7 years, 8 days ago)

what hours of the day do you guys have the light on/off? im trying to set up a schedule. once my clones get big enough to flower, i want to slowly switch them into 12/12 by dropping down to 18/6


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OfflineKaptKid Happy Birthday
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Re: a question about vegging light hours [Re: Pilze]
    #322031 - 11/26/09 05:52 PM (7 years, 8 days ago)

My lights are out during the hottest part of the day.


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Child of the 60's, Tripping ever sence.


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Offlinedrumma
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Registered: 11/08/09
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Last seen: 6 years, 11 months
Re: a question about vegging light hours [Re: Pilze]
    #322696 - 11/28/09 05:31 PM (7 years, 6 days ago)

I used to use 24/0  but have since switch to 18/6. I've noticed no difference in growth and it saves some electricity.


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InvisibleMagashM
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Registered: 04/21/08
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Re: a question about vegging light hours [Re: drumma]
    #322730 - 11/28/09 08:07 PM (7 years, 6 days ago)

I'm a 18/6 myself. I run the lights at night. Cooler in the summer warms the room at the coolest part of the day in the winter.


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