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18,000 watt sealed flower room build.

DrKanobie

DrKanobie

Active member
grow nerd said:
How many circulation fans in there, wall-mount or otherwise? I saw 3, but thinking there might be 3 more? (2 on long wall, 1 on narrow wall?) Are you seeing much wet transpiration marks on overlapping leaves?

I have a feeling you're going to have major humidity and/or powdery mildew issues in the near future. IMO you should get more dehumidifiers, and finish out the first room successfully before spending all your money on firing up additional rooms, only to find out that you need more money for dehumidifiers late in the game to successfully finish out the first room.

You are also not getting the full affects of CO2 enrichment at 78*, and IMO should be quite warmer earlier on where they gain the most advantage from it.
Click to expand...

I have 6 wall fans and 3 floor fans. I am seeing 0 moisture anywhere in my room, everything is bone dry except for my coco. I consider this room finished. I hope I don't have the major issues that you think I will. My humidity is hovering around 45%. I took a shot in the dark and raised my temp to 81, your advice on co2 to temp ratio would be greatly appreciated.
 
grow nerd

grow nerd

Active member
Veteran
First, I hope you don't feel what I am saying is coming across as negative or anything other than constructive criticism. I have been in similar situations many times where I felt the "race against the clock" & the pressure to produce, which resulted in me biting off more than I can reliably chew at times. IMO the best bet is to play safe and see this grow through, before making the risky move of investing your case money on additional lights. Especially if the outcome of this project is expected to heavily affect your future. If you can easily obtain extra capital for emergency equipment, that's a different story and I don't see the reason why you shouldn't plow forward at full-steam. (Assuming maximum production is the game plan.)

I've always considered the dehumidifier as the most overlooked, underestimated, and skimped-on item in a sealed room. It's so easy to shy away from the seemingly unnecessary high cost for something that might not directly yield you extra grams.

Anyways.

From my personal experience (and many will likely disagree), I feel low/mid-80's (83-85*) is best for vegging through mid-flower, and I feel 80 is just fine to finish out. In veg and through stretch, you can really SEE the difference, girth put on, and general heightened vigor of the plants in a warmer dialed room. I liken it to flooring the gas pedal and watching the needle jump near the redline, when the room & plants are dialed and everything is clicking. At 78-79*, it's just a "meh... I guess it's working?".
 
O

Oti$

Nice room, can't wait to see those ladies snappin' branches with fat buds I. Full bloom:D
 
C

cannaisok

Hello, I have no exp with big rooms like that, but when i loot at the pics i can see there are plants of different hight in your room under the lights, woldn´t be better to move all small plants to one side of the room wherre u lower your lights a little and the tall plants on the other side of the room where lights are higher, so u could bring all lights to a more optimal height? its just a question. peace
 
stoney917

stoney917

i Am SoFaKiNg WeTod DiD
Veteran
Imo once u that far along things r not really movable... shit can turn into a nightmare gettin snagged on sumthin. ... they look good to me room looks tits,,
 
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