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Newbie here

  • Thread starter Thread starter Newtothisshit
  • Start date Start date Jul 14, 2025
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Newbie here

Newtothisshit Jul 14, 2025 6 Replies 520 Views
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Newtothisshit

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#1
Evening everyone names Matt and ass the nickname suggests I’m new to this shit. Anyways here is my set up any and all critiques are welcome weather good or bad. These are plants that where given to me so I’m not sure of there age. I’m going to re pot them soon my temp is around 83 degrees and humidity is 50 degrees. Is my temp sensor prob to high or to low? Should I move fans? They’re at 100 percent power so there’s great airflow. Light is at 75 percent and is roughly 18 inches from the plants. Humidifier and a bowl of water to maintain humidity and I have all my air vents open. 36x38x80 grow tent and has an Exhaust fan that is on high as well. It’s there second night in the tent and I just turned everything to high (besides the lights) trying to get the temperature to drop down.Now y’all’s turn to talk please!
 

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RoadKillSkunkHunt

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#2
Welcome to the farm ... Not much to say yet. You're just getting started. Keep posting your pictures and questions. We'll chime in ...
 
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Eledin

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#3
Welcome! People here will help you with any problem you might find. So far its looking great! If anything try to keep lowering those temps or get the humidity at least to 60% because youre in the VPD danger zone and while that will probably not be a problem in the short term its not good in might cause problems in the long term.
I dont wanna saturate you with too much info so for now lets just cover the basics:
Vapor Pressure Deficit (VPD) is a measure of how much moisture the air can hold compared to how much moisture it actually holds. It's a key factor in determining how much water plants lose through transpiration, the process of water movement through a plant and its evaporation from aerial parts, especially leaves. Essentially, VPD indicates how "thirsty" the air is for moisture.
This is your current climate and here you can play with the parameters to get as close to good vpd for veg as possible

VPD Chart

Vapor pressure deficit (VPD) chart & calculator for horticulture in controlled environment. Cannabis, tomatoes, leafy greens, cucumber.
vpdchart.com

Now to cover more basics to make sure you know all you need to know to grow and there's no nasty surprises:
What medium are you using? What light model? Do you ph your water? What kind of water do you use? If its tap water do you let the chlorine evaporate? What nutrients do you plan on using when theyre bigger?

Suggestions so far:
Decrease temps or increase humidity, or both, play with the chart I gave you to get to a decent VPD.
Increase ventilation in the lung room (room where the indoors is located). In summer I put a big fan in my door facing outside so my lung room has more airflow when its too hot.
Your tent should have negative air pressure, meaning that the extraction fan should have slightly more airflow than the intraction fan, that way you ensure all of the hot air goes outside instead of forming hot air pockets. If your extraction fan has more airflow, which I assume it does, then youre fine. If you notice that the air is still too hot compared to the lung room, close the windows of the indoors, sometimes that can fuck up your negative air pressure. If you do that and your tent starts shrinking too much because it has too much negative air pressure then try just leaving 1 open. If it only shrinks a bit thats fine, you have a sturdy tent, its normal when you have negative air pressure.

That said: your tent looks nice, I hope you have fun here and with your grow!
 
Last edited: Jul 15, 2025
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Mikedin

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Jul 16, 2025
#4
Welcome to the farm!
 
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Newtothisshit

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Jul 16, 2025
#5
Thanks man
 
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Newtothisshit

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#6
Eledin said:
Welcome! People here will help you with any problem you might find. So far its looking great! If anything try to keep lowering those temps or get the humidity at least to 60% because youre in the VPD danger zone and while that will probably not be a problem in the short term its not good in might cause problems in the long term.
I dont wanna saturate you with too much info so for now lets just cover the basics:
Vapor Pressure Deficit (VPD) is a measure of how much moisture the air can hold compared to how much moisture it actually holds. It's a key factor in determining how much water plants lose through transpiration, the process of water movement through a plant and its evaporation from aerial parts, especially leaves. Essentially, VPD indicates how "thirsty" the air is for moisture.
This is your current climate and here you can play with the parameters to get as close to good vpd for veg as possible

VPD Chart

Vapor pressure deficit (VPD) chart & calculator for horticulture in controlled environment. Cannabis, tomatoes, leafy greens, cucumber.
vpdchart.com

Now to cover more basics to make sure you know all you need to know to grow and there's no nasty surprises:
What medium are you using? What light model? Do you ph your water? What kind of water do you use? If its tap water do you let the chlorine evaporate? What nutrients do you plan on using when theyre bigger?

Suggestions so far:
Decrease temps or increase humidity, or both, play with the chart I gave you to get to a decent VPD.
Increase ventilation in the lung room (room where the indoors is located). In summer I put a big fan in my door facing outside so my lung room has more airflow when its too hot.
Your tent should have negative air pressure, meaning that the extraction fan should have slightly more airflow than the intraction fan, that way you ensure all of the hot air goes outside instead of forming hot air pockets. If your extraction fan has more airflow, which I assume it does, then youre fine. If you notice that the air is still too hot compared to the lung room, close the windows of the indoors, sometimes that can fuck up your negative air pressure. If you do that and your tent starts shrinking too much because it has too much negative air pressure then try just leaving 1 open. If it only shrinks a bit thats fine, you have a sturdy tent, its normal when you have negative air pressure.

That said: your tent looks nice, I hope you have fun here and with your grow!
Click to expand...
Thank you for all that information I hope to be that knowledgeable someday!
 
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Eledin

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#7
Newtothisshit said:
Thank you for all that information I hope to be that knowledgeable someday!
Click to expand...
You will learn fast if you stick around here hehe many good growers. Close the fan lines that have no fan, that doesnt help with the heat! Even if it seems counter productive its better to have everything closed so the airflow from your intraction and extraction fans can extract all the hot air.
 
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Thread info

Replies 6
Views 520
Started Jul 14, 2025
Latest post Jul 16, 2025
Starter Newtothisshit
Forum Introduce Yourself

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