G.A.S. Intelligent Humidity / VPD Controller for SonicAir Pro Humidifier Bulky Adjust pH: Use a reliable

Adjust pH: Use a reliable pH meter (like the Essentials pH Meter) to set your solution to pH 5

PMT works best as a preventative measure

All Wilma Small Systems come with 90cm x 90cm bases

and seaweed extract

This method of working may be more convenient than handwatering

G.A.S. Intelligent Humidity / VPD Controller for SonicAir Pro Humidifier Bulky Adjust pH: Use a reliableControl the Humidity & VPD in Your Grow Room for Optimum Plant Growth Please note, this is only compatible with the SonicAir Pro Humidifier The GAS Intelligent Humidity Controller takes care of the humidity levels in your grow room, for faster growth rates and happier plants. Air temperature and humidity are the two factors that affect something called Vapour Pressure Deficit (VPD), which is literally the "drying" ability of the air. For plants to