Vapor Pressure Deficit


Available on backorder

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Coming Soon – You may pre-order this to express your interest and be notified when it is ready for download.

This is a software add on to accompany the temperature / humidity sensor. Installing this add on takes the mystery out of determining the best temp / humidity room levels.

With plenty of online information about VPD, a great intro can be found in this article. An excerpt from the article:

Once you understand what vapor pressure deficit is, all those environmental factors you’re trying to juggle in your mind suddenly click into place and you start to think and feel like a plant. Take a few minutes to understand why VPD management is key to creating the perfect indoor growing environment! Your plants will thank you for it!


  • 1x – vpd-101 vapor pressure deficit – software download

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