Just when I get my vpd dialed in, I’m wrong. I’m at war daily with vpd in the tent. I seem to be keeping everything in good numbers but Dang! I would love to just set it and forget it.
Is consistent VPD a constant war that everyone is fighting daily?
by CrazyJoe420 | Feb 1, 2023 | Grower Questions | 5 comments
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Controlling an environment in a small space is not easy and will cause temp and humidity spikes. The room the tent is in should be environmentally controlled with the tent having constant air exchange between the tent and room. This is how you maintain an environment in a tent.
Yes, it is a battle. Having the lung room dialed helps, but smaller tents have a micro-climates, which fluctuate. As long as you stay within the general range, you will be good.
i use a 4×4 tent in an 8×8 room. its easier for me to focus on the 8×8 room itself which in turn creates less swing in the tent. i am exhausting outside 24/7 so i have to take into consideration the conditions being pulled into my house as well. this time of year is not consistent. today i run the ac and a dehumidifier, tomorrow it will be in the 50’s so i run heat and humidity. back and forth. yes it is a task to dial in enviro conditions, but necessary.
Don’t go too hard on vpd for a home grow in terms if the daily spikes. You’re not going to feel the effecs of that margin decrease lol. Just settle them in a range you can work with. If they’re drinking too fast, adjust your feed down to compensate.
You can work towards stability, but watch your average points and how the plants grow. Read the plants, use the meters for reference. In other words, don’t let a device tell you there’s a problem if your plants aren’t talkng about it.
Fluctuations will definitely happen in regards to VPD. The best thing you can do is dial in environment/lung room environment, have good air circulation, and air exchange. See what your vpd is “naturally” then adjust certain factors to increase/ decrease VPD number.