room temperature help

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chris h

Active Member
I have a 3 1 gallon co2 tanks in my grow room. my temps run between 83 to 92. is that ok as long as I keep my co2 up? Never goes past 92
 
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Pigmie1

Active Member
That's a bit warmer than is ideal. You should get a fan at least, and perhaps a second fan to pull the hot air out. I've also heard that if you freeze a 1 liter water bottle and set it in the grow box while the lights are on that it helps keep the temps down. Good luck!
 
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chris h

Active Member
@Pigmie1 I have a 435 CFM fan running and a dual intake/exhuast fan set on exhaust. temp right now is 88.9 humidity is 39%... I keep a container full of water in there to help with moisture. i will try the litre thing
 
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rph2os

Member
Think of it this way. Sativa's that grow in tropical jungles deal with heat much greater than 85-90 degrees. What you need to realize is that in a jungle environment, C02 concentrations are naturally much higher then in places such as the average grow room. One reason for this is the mass amount of decomposition of natural plant matter that takes place on the jungle floors. This increases CO2 considerably and allows the plant deal with the greater heat and humidity. As long as you have some sort of a fresh air exchange and C02 enrichment your plants will thrive in higher temperatures.
 
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chris h

Active Member
yes its getting amazing airflow. in a 2 x 2 room it has a dual exhaust fan with the fans blowing the hot air out, and a 435 cfm fan blowing air in. the temps of my plant room has gone into the lower 80s. maybe if I get some more co2 in there I can put a 250 or 400 watt MH ballast in there and see what happens with the temps
 
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rph2os

Member
With that type of airflow going through you could easily run a 400 watt light. Just make sure it's not to close to the lights.
 
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