Temperature and Humidity for Cannabis Plants | Grow Guides Episode 19



Temperature and humidity for cannabis plants is something all growers need to understand. If the plants get too cold, they will …

6 Comments

  1. I use a dehumidifier outside the tent to manage humidity. A compressor pumps out warm dry air so I gaffa taped some ducting over the output and pump it 'passively' around the bug screen intake at the back of the tent. Then the extractor fan pumping out excess humidity can draw on it as required. I'm using the AC Infinity fan controller 69 to respond to vpd. My AC Infinity oscillating fan is also tied in to the system. I can't fault it tbh.

    I have a little greenhouse heater too.

    I'm autistic so I enjoy the process of analysing the changing heat and humidity patterns and tweaking the system to an 'unnatural' degree.

  2. You know that VPD is the best way to manage the balance of humidity and temperature. If your there's a wide range of temps and rh that can give you the same VPD measurement. As you can see from the charts.

    I agree it's not necessary to focus on it but it's useful to help understand the process.

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