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Grow Room Design/Setup Grow room setups and systems. Lights, fans, security, etc.

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Old 03-06-2007, 02:48 PM
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Light Combination/Layout

Simple question I hope. Suppose someone were laying out a cabinet:

-3/4" Exterior grade plywood, 4Wx2Dx6H
-Sealed and painted white, rolling on lockable castors
-Divided into a 1ft high upper (electronics, ballast, etc..), 5ft high lower chambers (each has a separate door)

So there's this lower chamber 2Dx4Wx5H ft that would need to be lit. Taking into account a 7-10" high reflector, that leaves about 3.5 to 4 feet of usable hight for containers + plants. (Also taking into account min distance from light is about 6in)

Maybe a SS Galaxy 400W ballast with both MH and HPS bulbs...or would this person be better off with 2x250W of the same because of the length of the box. They can always add CFL fixtures down the sides. Are there any specific reflectors that lend themselves well to a lengthwise install? (air cooled with the vents inline lengthwise also)

What's the most efficient way for this person to make use of the 2x4 foot area? I suppose I could talk this person into adjusting dimensions if a better layout was suggested.

They said thanks. (me too)
 
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Old 03-13-2007, 08:18 PM
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An 8 lamp T5 fluorescent would be perfect!
 
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Old 03-16-2007, 11:47 PM
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A 400 watt hps would burn the plants at a distance of 6". You will probably need a distance of 12"-14" w/ a 400 watter. If money is no object then use 2 250 watt hps in air cooled hoods. That way you could probably get a distance of 10" and have the light more distributed. I have a 2x4x4 flowering chamber and I flower when the clones are 6" tall and they grow to 15" when done (single cola). They're in 6" pots. I have 3 100 watt hps flood lights for that space but if I could afford it I would use a little more light, like 2 250 watt hps w/ air cooled hoods.
 
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Old 03-18-2007, 07:12 AM
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Well...plans change. Just a few more questions for now. My friend would like to know the best place to buy supplies from. Online or a walk-in specialty store? He said he is looking for several 600-1000W ballasts & reflectors, fans, hydroton and nutrients. Any recommendations for a quality ballast/reflector?
 
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Old 03-18-2007, 11:53 PM
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For a large order like that I would use the internet just to make sure you get what you need. I would start at Better Grow Hydro, then if they don't have the stuff use Google. BTW if you have the money go with a digital ballast.
 
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