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To hot?

Noonin NorCal

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We are growing indoors with 2. 1,000 watt lights. We run from 8 a.m. to 8 p.m. we run during the day cause the air outside is humid at night and was worried about the room getting to wet on the walls. we aren't worried about paying extra for electricity during peak hours, we already get a break on it but are limited on power in the room. there is a intake fan that cools the lights and exhausts only when lights are on. There is a few oscilating wall fans that run constantly. Its a sativa dom. strain. plants are about 3 feet from the lights and will probably stretch another foot before finishing. The strain is Quantum Kush from TGA Subcool, that were purchased before it got discontinued. Temp in the room gets close to 85 during the day and 62-664 at night, I heard something about Sativa Dom. can and do better in hotter and more intense lighting? Thanks friends
 
Thats optimum for a closed system, but since youre open, its a little hot. Watch them for heat stress...if its too hot they could fox tail.

I always run lights at night the lights keep the rh in check and also it makes the rh lower during their night (our day)
 

Noonin NorCal

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Thats optimum for a closed system, but since youre open, its a little hot. Watch them for heat stress...if its too hot they could fox tail.

I always run lights at night the lights keep the rh in check and also it makes the rh lower during their night (our day)


Its not airtight at all, there are holes in the celling from previous drilling and haven't gotten filled in. I kind of wish it was airtight then we'd be running C02. I heard fresh air can act as C02? If i open the door to the room for 10 mins. the temp will drop a good 5 degrees or so
 

Noonin NorCal

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Fresh air is good regardless, it wont get your ppms up to 1500 but the plants love it I keep inlines going 247

Its a bitch trying to sleep in the room next door, the wall fans itself is loud, and the intake fan hums even more. The temps taken in the room is only about a foot high off the ground, so I'm guessing it might be another 5 degrees above the canopy? I haven't seen shriveling, yellowing, burning or anything yet. Knock on wood
 
You cant move the thermostat even for an hour to check temp at canopy? Or buy a used one off cl? Keep monitoring. You may lose some quality. You may have to feed less/water more. Also... lol @ living in your grow space... I know how it goes.
 
Also one thing I do, since I run a system similar to yours, is if it gets too hot I just blow a powerful floor fan in the direction of the rooms, temps go down like 5 degrees, more if I open a window.

Closed systems must be nice, huh? Seeing the yields guys are getting with them...seeing my yields with this...ffffffuuuuuuuuuuu
 

Noonin NorCal

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Im going off the last run inside. We got a little over 15 zips for just a single 1000 watt light. The temp got close to 89. It yellowed out early my buddy was saying hotspots. We only had a intake going every 4 hours during lights on and had no out take fan. Every few hours i just opened the door to exhaust the room. The hoods this run are 2 instead of one Raptors the biggest ones, over a 4 X 8 tray. Able to fit 18 plants in 3 gallon geo's. previous run was 5 plants 4 in 7 gallon plastic containers and one 10 gallon, all sitting on saucers. Im finding that they are feeding more often in the fabric pots
 

Noonin NorCal

Active member
Veteran
Also one thing I do, since I run a system similar to yours, is if it gets too hot I just blow a powerful floor fan in the direction of the rooms, temps go down like 5 degrees, more if I open a window.

Closed systems must be nice, huh? Seeing the yields guys are getting with them...seeing my yields with this...ffffffuuuuuuuuuuu

There is only so much space. Its a bedroom, i tried throwing a standing oscillating fan earlier in there for under the canopy. But it was getting blasted the fan was to close. I might just throw up a couple more wall fans, everything is moving though every leaf in the room is moving
 

Noonin NorCal

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Veteran
We also installed a framed trellis over the canopy this run thats adjustable. Those medal cages that we use to support outdoor plants
 
Outside the room so it blows air directly in, works well enough
You should keep inlines going all the time or as often as you can
 
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