G.A.S Intelligent Humidity Controller Dual Holland Secret or occasional grower with a

or occasional grower with a smaller set-up

This could allow unpleasant odours and smells to escape into your grow room and reduce the overall efficiency of the system

and easy to use

Ideal for mixing stock tanks and compatible with all dosing systems

DutchPro Soil Bloom A + B Soft Water

G.A.S Intelligent Humidity Controller Dual Holland Secret or occasional grower with aG. A. S Intelligent Humidity Controller (IHC) Dual The Intelligent Humidity Controller Dual is for use with any humidifier. The G. A. S Intelligent Humidity Controller Dual monitors your grow room environment and controls the humidity levels to VPD (vapour pressure deficit) or relative humidity, by controlling both humidifiers and dehumidifiers. The IHC Dual calculates the vapour pressure deficit on the leaves of your plants and maintains the optimum