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coda said:
3x3 area = 9 sq ft

600 watts / 9 sq ft = 66.6 watts per sq ft

considering 50 watts per sq foot is the optimal standard i'd say a 600 watt light is more then adequate for your room

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So 50 watts is the optimal standard whereas something more like 20 watts is the minimum, correct?

Anyways, my space as it stands now is 4x3, so that puts me at the optimum standard near exactly (it isn't quite 3ft ). I think I'll go ahead and make the adjustment so I have that additional 16'' section, and just plan on placing my two Arjan's Haze #3 over there, since they'll be growing taller than the other plants will... a little less than the optimum standard I think but it should work out fine, especially since it helps accomodate the amount of the different strains we'll be running...

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Your biggest concern with high wattage lamps in confined spaces is heat.  Again, the grower i'm referencing installed a window air unit in his grow area to keep temps in the low 70's using a 256 cfm 6" fan for exhaust.

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The height of the room is 9 ft so that should really help with the heat thing, and the 600 watt will be inside an air-cooled cool-tube. I think these things should help limit any heat being produced by the lamp itself. The standard of 30-35 degree celsius heat (riding up on 100 fahrenheit) outside might pose an obstacle that will need addressed, however.

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So, if i were you, i'd do a couple of dry runs with your room before you threw plants in there.  If you're keeping the lights on at night, test the area at night.  If you have a wireless thermometer that records high and low temps, set the remote in the room on the floor and let it go for a night.  If you want to be anal about it you can see how long it takes your room to heat up to it's max temp, but it's unnecessary.  The next thing i would do is to set the remote at the height (or just buy two remotes and do the test at the same time) you want your tops to reach.  This way you can get a good idea of how hot this area of your grow room gets.  Once you start filling in plants the bottom of the room will remain cooler then the tips of your plants because of the shade produced by the fan leaves.  However, it still gives you a great baseline reading of the temps in your tent.  If you know the bottom of your tent is too hot, you already know the upper levels of your room will be hotter.

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Yep, this is the plan. I'll have a digital, min/max temperature/humidity device so it'll make it easier to figure all of that out. I'd really love to know what the base temperature is in there now without anything running, but I just have to wait on a fucked up situation with shipping before I'll be able to tell.

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tesla said:
Hey dude, if you are planning on getting an apartment to grow in follow these rules, never had a problem:

1) Newer apartments have features which make it easier to service without the landlord having to rummage through your room.  Look for a newer apartment or townhouse with the waterheater/ac/breakers in one closet, also make sure that upstairs the vents come in from the floor, which allows you to vent into the attic without anyone looking up there.

2) put a lock on the bedroom and a lock on the closet, vent air intake through the AC if you can, that way you can seal off the closet. (won't work if you have central heating in the winter)

3) dont smoke in the apartment, or atleast not near the door where the smell can get you knock and talked.

Pay your rent on time, dont tell anyone, don't complain about anything they might want to come in fix and don't worry about shit!

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Good advice.