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VPDome Procedure

Alexis Medina
Alexis Medina
  • Updated

This procedure outlines the proper technique to successfully root and acclimate your clones for high success rates. VPDome uses the principles of individual domes like holding humidity and providing proper air exchange, while reducing steps to drastically reduce labor time in the clone room. 

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About The VPDome

Achieving the optimal VPD for plants allows them to properly transpire, uptake nutrients, uptake CO2, and prevent stress. VPD stands for Vapor Pressure Deficit, a direct correlation between the temperature and humidity of an area. Traditional cloning involves using individual domes for each set of clones, essentially creating a microclimate to achieve higher humidity levels within the dome (lower VPD) to establish roots. This method works great, so long as you maintain consistent air exchange and environmental levels. VPDome helps maintain the perfect VPD throughout the cloning process. Using VPDome for large-scale cloning requires much less labor than ventilating individual domes every day.

Ensure the environment where the VPDome is placed is optimal for clone growth after hardening off. The room should be regulated to a temperature of 70-80°F (21-26 °C) and room humidity at 65-75% to achieve a VPD of about 0.8-1.0 kPa. Spraying the VPDomeTM with a sanitizing agent such as Athena® Reset at 1 oz per gallon (8 mL per L) should be done before every cycle of clones.

Demonstration of labor when using the VPDome as opposed to traditional domes. 

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