G.A.S Intelligent Humidity Controller for SonicAir Pro – VPD & RH Control Control Freak The high quality zippers are

The high quality zippers are light proof and corrosion resistant

pH-stable ionic profile that supports strong branching

and auto-watering systems

You can monitor conductivity

Compatible with all soil mixes and pre-fertilised potting substrates

G.A.S Intelligent Humidity Controller for SonicAir Pro – VPD & RH Control Control Freak The high quality zippers areThe G. A. S Intelligent Humidity Controller for SonicAir Pro is designed exclusively for use with the G. A. S SonicAir Pro humidifier. It monitors your grow room environment and automatically controls humidity levels to either VPD (vapour pressure deficit) or relative humidity keeping your plants in the ideal conditions at every stage of growth. Humidity management is one of the most critical factors in a successful grow room. Too dry and plants