Grow Cannabis

VPD Vs Humidity In Your Cannabis Grow Room

Why should indoor cannabis growers understand vapor pressure deficit?
We its time for me to learn more about this subject and the why it is so important …
In this video we go for a drive and ask some questions about TrolMaster, an environmental Control System that measures kPa (VPD) , C02, Humidity , Temperature…
Why is humidity so import in a grow room ?

Vapor Pressure Deficit Vs. Relative Humidity for Your Marijuana Grow Room


How to grow weed with this world famous guide.

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