Expert advice needed to decide grow tent vs a CGE room

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nasar

Well-Known Member
Hi everyone at roll it up

I really need some expert advice on what lighting and ventilation to use in my new grow room i'm about to design.

I have a choice to fully construct the room with fans an lighting or use a 3m x 2m x 2m grow tent

The room measures 12ft x 6ft x 9 ft with a window that i would like to seal and the attic in the house has no insulation what so ever.
 
greenlikemoney

greenlikemoney

Well-Known Member
A tent sounds more helpful in your situation. You can introduce fresh air passively through the tent vents, then through a carbon filter ( or two ) then through a cool tube ( or not ) and exhaust into your attic, where I would place an inline fan.

Sounds easier to me in your situation, you wouldn't have to seal the window ( source of fresh air if the outdoor temps are acceptable ). But thats just my opinion.
 
N

nasar

Well-Known Member
greenlikemoney thanks for your quick reply i was thinking the same as i have a window which i need to seal up, but then again i have heard rooms are better than tents as i can introduce Co2 etc which in future i would use to increase yields,

if i get my loft insulated and direct heat up there would i be creating a heat signature? for helicopters flying over
 
SirLancelot

SirLancelot

Active Member
Becareful of moisture buildup when dumping exhaust into an attic or between floors. just from what I've seen. If you have a tent you can keep it closed up and open that window for fresh air intake too, no need to add co2
.
 
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BTPAssasin420

Member
In my opinion a tent would be best for the time being, without insulation in your attic a room would definately put off a signature, where as a tent is somewhat self insulated. A friend of mine built a room by sheeting off with mylar and could hit the mylar with a laser thermometer and read 90-100 degrees where as the tent only read around 80-90 degrees.

Not to mention that co2 can be used in a tent, i recommend using a cool tube or hood to exhaust hot air from your light out of tent without affecting the indoor environment. Then a timer or switch on your exhaust fan so you can shut off room exhaust to introduce co2 then resume exhausting.
 
N

nasar

Well-Known Member
BTPAssasin420 said:
In my opinion a tent would be best for the time being, without insulation in your attic a room would definately put off a signature, where as a tent is somewhat self insulated. A friend of mine built a room by sheeting off with mylar and could hit the mylar with a laser thermometer and read 90-100 degrees where as the tent only read around 80-90 degrees.

Not to mention that co2 can be used in a tent, i recommend using a cool tube or hood to exhaust hot air from your light out of tent without affecting the indoor environment. Then a timer or switch on your exhaust fan so you can shut off room exhaust to introduce co2 then resume exhausting.
Click to expand...
how often would i shut off exhaust so i don't lose CO2? also at moment i only have non air cooled lights will they do for me? i was planning to use 4 x 600s and intake and out take exhaust. and a carbon filter?

So your friend lined his walls with just mylar and he got 90 to 100 degrees? how many lights was he using and and did the temperature with laser thermometer see through the wall?
 
Domed

Domed

New Member
There's a material you can cover your walls with, idk if it's just mylar or something else but it blocks heat from escaping, you'll need to in order to be discrete
Take catious measures, you could be the next on news....
 
S

spandy

Well-Known Member
Sealed grow tent, sealed hoods, scrub the air inside the tent on seperate fan/filter, add co2 inside the room, dehumidifier. If its still too hot, get one of those aircons that have intake and exhaust ducting so you can control where the heat from the tent is vented, Vent the lights and aircon into your house, use the heat to keep warm this winter, balances the homes heat signature if you spread it around rather than just dumping it back into one room, or out of the house. Crawl space under the home? Vent there maybe? Maybe another scrubber outside the tent to protect from any permation of unscrubbed air out of the tent.
 
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