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Offlinestuckinabeat
on a spaceship near you
Registered: 09/02/10
Posts: 29
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3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg...
    #505691 - 12/14/10 09:13 PM (5 years, 11 months ago)

Hi Everyone

Building my first 2 rooms, gonna have a 3.5x3.5 closet in basement w/ 8" Magnum and 737cfm inline can-fan for flower...and will have a separate veg room w/ a T5 setup. I just have a few questions on lights.

Im growing 12 plants perpetual 4-6 in/out and cant decide which light setup would be better:

(a) 4ft 4 bulb t5 for veg room and 400w CMH for flower.

or

(b) 4ft 2 bulb bulb T5 for veg and and a 600 HPS for flower about the same wattage.


Also is a 4ft 4bulb T5 enough light to veg 4-6 plants to be 18 inches or so tall???

Thanks for any input.


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OfflineTheShroomJew23
The Chemist
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Registered: 10/02/08
Posts: 739
Last seen: 5 years, 9 months
Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: stuckinabeat]
    #505702 - 12/14/10 10:03 PM (5 years, 11 months ago)

You should get a 600w HPS and a 400 MH


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Offlinestuckinabeat
on a spaceship near you
Registered: 09/02/10
Posts: 29
Loc: Flag
Last seen: 4 years, 10 months
Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: TheShroomJew23]
    #505706 - 12/14/10 10:07 PM (5 years, 11 months ago)

If im gonna get a 400, why not get the 400cmh?


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OfflineTheShroomJew23
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Registered: 10/02/08
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Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: stuckinabeat]
    #506046 - 12/16/10 07:29 PM (5 years, 11 months ago)

I have never heard of a cmh dude


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InvisibleStonethM
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Registered: 10/06/08
Posts: 24,072
Loc: No where ville, USA Flag
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Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: stuckinabeat]
    #506065 - 12/16/10 08:41 PM (5 years, 11 months ago)

Quote:

stuckinabeat said:
If im gonna get a 400, why not get the 400cmh?



Because it's mainly a veg light.  HPSs are much better for flowering plants.


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Invisiblemaryanne3087
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Registered: 06/27/10
Posts: 1,111
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Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: Stoneth]
    #508039 - 12/22/10 06:09 PM (5 years, 11 months ago)

CMH's have a pretty wide spectrum of light. They work very well for flowering and burn cooler than HPS lights so they can be dropped down closer to the canopy.

I would not say HPS are much better than CMH even for flowering.


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Invisiblec99hunter
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Registered: 12/12/10
Posts: 304
Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: maryanne3087]
    #508066 - 12/22/10 08:03 PM (5 years, 11 months ago)

Here's a little info on CMH and it's spectrum :wink:
http://www.growlightexpress.com/pages/ceramic-metal-halide-pv-c0-2.html


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OfflineTheShroomJew23
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Re: 3.5x3.5 closet w/ air cooled hood...HPSorCMH?? Seperate T5 for Veg... [Re: c99hunter]
    #508482 - 12/24/10 01:35 PM (5 years, 11 months ago)

Thanks, I am really surprised where I work doesn't use them because they are the top horticulture research company in the world.


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