vapor pressure deficit (vpd

So, in my flower room i have (4) 700watt led lights that are over 8 large plants (gotta grow them big due to numbers restrictions). I have different stages of flowering plants in this sealed grow room that i have 1200ppm of co2 in. I have a mini split and a big dehumidifier so i can dial in the...

Vapor pressure deficit (VPD) isn't a term you'll find in the first few chapters of a cannabis growing guide. Heck, there are plenty of experienced cultivators who don't fully understand the intricacies of VPD. Although monitoring VPD is an advanced growing technique, there are benefits to...