Autopilot Greenhouse Master Controller spl_allstate The Bluelab Conductivity Pen is

The Bluelab Conductivity Pen is the latest innovation for hand held conductivity meters

and disease resistance

Use to drip at the rate of 1 GPH

allowing your plants to be spaced as the plant canopy requires

once and for all

Autopilot Greenhouse Master Controller spl_allstate The Bluelab Conductivity Pen isThe Autopilot Greenhouse Master Controller (GMC) is designed to precisely control temperature, humidity, and CO2 in the growing area. The GMC's enclosure features four separate power outlets used to connect external devices such as fans, CO2 injectors, air conditioners and dehumidifiers. Each external device easily connects to the unit creating a simple and user friendly platform. The GMC's remote combination probe features a highly accurate dual beam