Filter All listing types All listing types Sell Auction Service Controllers & meters All categories Genetics Seeds Pollen Clones Tissue Cultures Spores Equipment Complete kits Ventilation / Climate Lights Propagation Irrigation system Tents & greenhouses Nutrients Soil & Media Pots & trays Controllers & meters Harvesting & processing Testing Packaging & conditioning Mycology supplies Accessories, tools, consumables Services Breeding Compliance Design & Construction Extraction Harvesting Propagation Price Min: Max: Condition New Refurbished Used Update view All categories Genetics Equipment Complete kits Ventilation / Climate Lights Propagation Irrigation system Tents & greenhouses Nutrients Soil & Media Pots & trays Controllers & meters Harvesting & processing Testing Packaging & conditioning Mycology supplies Accessories, tools, consumables Services TrolMaster Hydro-X Pro Temp/Humid/CO2/Light 4-in-1 Sensor (MBS-PRO) $359.10 / unit GrowersHouse Autopilot Digital pH Controller - Doser $348.84 / unit GrowersHouse Quest DEH 3000R Wall Mounted Humistat $291.41 / unit GrowersHouse TrolMaster Aqua-X Controller with Water Detector set, Free SmartPhone App (NFS-1) $269.10 / unit GrowersHouse TrolMaster BETA8 -- Digital CO2 PPM Controller, for Regulator and Generator $240 / unit GrowersHouse Schaefer Manual Fan Speed Controller $232.31 / unit GrowersHouse Green Air Products Independent Cooling & Heating Thermostat w/4 Outlets - Model CT-HT-2 $228.57 / unit GrowersHouse TrolMaster HawkEye $221.40 / unit GrowersHouse TrolMaster Aqua-X Sensor Board to connect sensors to controller (AMP-2) $99 / unit GrowersHouse TrolMaster Legacy Beta Series Digital Controller (Day/Night Humidity 110V) (Beta-6) $98.10 / unit GrowersHouse Titan Controls Zephyr 2 -- High Temp. Shutoff $90.26 / unit GrowersHouse TrolMaster Aqua-X 110V Control Board, 6 inividual 110V controlled output for pump control (OA6-110) $89.10 / unit GrowersHouse TrolMaster Hydro-X Thermostat Station (cool only conventional HVAC) (TS-1) $89.10 / unit GrowersHouse TrolMaster AC Remote Station for Hydro-X (ARS-1) $89.10 / unit GrowersHouse Titan Controls Zephyr 1 -- Day and Night Thermostat Controller $87.14 / unit GrowersHouse Link4 iPonic D.I.S.M 50ft Extension Cable $82.49 / unit GrowersHouse C.A.P. HLC Advanced HID Lighting Controller $77.09 / unit GrowersHouse Bluelab PeriPod L3 $2,015.19 / unit GrowersHouse Bluelab pH Doser Controller Connect $548.35 / unit GrowersHouse Bluelab Guardian Monitor Connect In-Line $497.63 / unit GrowersHouse Bluelab pH Doser Controller $487.87 / unit GrowersHouse Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature $389 / unit GrowersHouse Bluelab Guardian Monitor Connect $382.48 / unit GrowersHouse Myron L Ultrapen PT2 pH & Temperature Pen $189.12 / unit GrowersHouse Hanna GroLine Replacement pH/EC/TDS Electrode for HI981420 $169 / unit GrowersHouse Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution $156.41 / unit GrowersHouse Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC $156.16 / unit GrowersHouse Hanna Instruments pH/EC/TDS Multiparameter Probe for use with HI9814 GroLine Combo Meter $149 / unit GrowersHouse Bluelab Commercial Truncheon - Nutrient Meter $119.27 / unit GrowersHouse Hanna GroLine Direct Soil EC Tester/Pen $119 / unit GrowersHouse ← Previous 1 2 3 4 5 6 7 Next →