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VPD Calculator
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How to Adjust Your VPD for Optimal Plant Growth

Maintaining the right Vapor Pressure Deficit (VPD) levels in your indoor grow is essential for plant health. Look here for a detailed guide on VPD. The most efficient way to regulate VPD is by controlling humidity rather than adjusting temperature, as temperature changes require significantly more energy...

Employ a Humidifier

A quality humidifier can make the difference...

Tools for Adjusting VPD

  • Humidifier – Raises humidity to match your VPD target...
  • Dehumidifier – Lowers humidity if it becomes excessive...
  • Fans – Improves air circulation...

Final Tips

Maintaining the perfect VPD is only part of the equation—your plants also need the right nutrients to thrive...