optimum room sq feet for 2 400w hps / 2 600w mh?

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dylan843

Well-Known Member
I want to grow 9 plants under each light. The idea is to have 2 separate rooms, one for flower one for veg so I can rotate, that will both be in one bigger room.

For the veg room 2 400w hps for flower 2 600w.

Grown in 2 gal ebb and flow set up. Possibly 3.5 gallon...

So I can basically make the big room any size I want, but I want it as small as possible. I will vent the room size accordingly.

So yeah any thoughts?
 
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Jbone77

Well-Known Member
I would run a 2.5'x5' for 2 400s and a 3x6 for 2 600s. If I run a 600 in a 4x4 it works pretty good but when I add a 400 to it it does great
 
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dylan843

Well-Known Member
Jbone77 said:
I would run a 2.5'x5' for 2 400s and a 3x6 for 2 600s. If I run a 600 in a 4x4 it works pretty good but when I add a 400 to it it does great
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Thank you. I am making the room out cobcrete and concrete blocks so I also concontrol the height. What height should I go for?
 
Jimdamick

Jimdamick

Well-Known Member
Make both rooms as large as you can. This way you can up the lights at a latter date, and the room will be cooler. Don't build to the lights you have, build for the maximum area you have.
 
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dylan843

Well-Known Member
Jimdamick said:
Make both rooms as large as you can. This way you can up the lights at a latter date, and the room will be cooler. Don't build to the lights you have, build for the maximum area you have.
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No can do. I only 30 amps to work with period. Maybe when I get my own place, but I gotta keep it low key.
and the room is being built underground, so I'm trying to keep my digging area small as possible.

As for the temp and vents that's all under control I've got a set up for that.
 
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dylan843

Well-Known Member
I'm going with 7 1/3 feet (accouning for the 8 inch block wall. This will divide the rooms 3 1/3 and 4. Flowering gets the 4 room) by 6 2/3 by 7 feet high. This is 6 blocks by 7 blocks by 11 high.

have one more question...in one room I will be running the intake (530cfm 6in inline) from the floor, and the carbon filtered exhaust from the roof of the other (w same fan). Which should get what, meaning between the veg room and the flower room????? The separate rooms won't be airproof only light proof. Cinderblock wall with a doorway covered nicely

Totally unrelated question, are there temp control units that hook right up to intake ducting to keep the air coming in at one constsnt temp, or anything like that?
 
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