Vapor pressure deficit (VPD) is extremely important for growing plants. This chart will help you ensure you grow is maintaining a great VPD level.
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.
For more info on VPD, check out our VPD guide that includes an overview of the importance of VPD and free digital versions of our chart & calculator: pulsegrow.com/vpd
SHIPS SEPARATELY FROM OTHER PRODUCTS
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| Recommended For | |||
| All sensitive environments with an outlet. Tents, veg, & dry rooms. | Growers who want full wireless operation (battery powered). Veg rooms, dry rooms. | Growers who use CO2 and/or optimize light intensity. Flower Rooms. | Growers who track every aspect of their grow beyond environment. Crop steering, RDWC, commercial. |
| Available Features | |||
| Temp & RH | |||
| ✓ | ✓ | ✓ | ✓ THV-1 |
| VPD w/ LST | |||
| ✓ | ✓ | ✓ | ✓ |
| Relative Light Intensity (LUX) | |||
| ✓ | ✓ | ✓ | ✗ |
| Advanced Light (PAR) | |||
| ✗ | ✗ | ✓ | ✓ |
| DLI | |||
| ✗ | ✗ |
✓ (Calculated from PAR) |
✓ |
| CO2 | |||
| ✗ | ✗ | ✓ | Coming Soon! |
| VWC | |||
| ✗ | ✗ | ✗ | ✓ |
| PH | |||
| ✗ | ✗ | ✗ |
✓ |
| EC | |||
| ✗ | ✗ | ✗ | ✓ EC-1 |
| TDO | |||
| ✗ | ✗ | ✗ | ✓ |
| ORP | |||
| ✗ | ✗ | ✗ | ✓ |
| OpenSprinkler Integration | |||
| ✗ | ✗ | ✗ |
Coming Soon!
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