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What is VPD and VPD charts?
What is VPD and VPD charts?
Chris Tosi avatar
Written by Chris Tosi
Updated over a week ago

VPD helps you identify the correct range of temperature and humidity to aim for in your grow space. With VPD you can achieve the best results while avoiding pest and environmental problems. VPD also controls plant transpiration rates, stomata opening, CO2 uptake, nutrient uptake, and plant stress.

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