Agrowtek Grow Control Hydro Sensor Kit w/ Probes (pH/EC/Temp)

GrowControl Hydroponics sensor kit includes pH, electrical conductivity and temperature sensors for monitoring nutrient reservoirs and operating dosing pumps for automatic nutrient and pH control. GC-Pro & GC-ProXL dose up to eight parts nutrients and two parts pH per kit for re-circulating and drain-to-waste systems. 15 ft sensor cable included.