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 $359.10 per unit TrolMaster Hydro-X Pro Temp/Humid/CO2/Light 4-in-1 Sensor (MBS-PRO) $359.10 per unit GrowersHouse $348.84 per unit Autopilot Digital pH Controller - Doser $348.84 per unit GrowersHouse $291.41 per unit Quest DEH 3000R Wall Mounted Humistat $291.41 per unit GrowersHouse $269.10 per unit TrolMaster Aqua-X Controller with Water Detector set, Free SmartPhone App (NFS-1) $269.10 per unit GrowersHouse $240 per unit TrolMaster BETA8 -- Digital CO2 PPM Controller, for Regulator and Generator $240 per unit GrowersHouse $232.31 per unit Schaefer Manual Fan Speed Controller $232.31 per unit GrowersHouse $228.57 per unit Green Air Products Independent Cooling & Heating Thermostat w/4 Outlets - Model CT-HT-2 $228.57 per unit GrowersHouse $221.40 per unit TrolMaster HawkEye $221.40 per unit GrowersHouse $99 per unit TrolMaster Aqua-X Sensor Board to connect sensors to controller (AMP-2) $99 per unit GrowersHouse $98.10 per unit TrolMaster Legacy Beta Series Digital Controller (Day/Night Humidity 110V) (Beta-6) $98.10 per unit GrowersHouse $90.26 per unit Titan Controls Zephyr 2 -- High Temp. Shutoff $90.26 per unit GrowersHouse $89.10 per unit TrolMaster Aqua-X 110V Control Board, 6 inividual 110V controlled output for pump control (OA6-110) $89.10 per unit GrowersHouse $89.10 per unit TrolMaster Hydro-X Thermostat Station (cool only conventional HVAC) (TS-1) $89.10 per unit GrowersHouse $89.10 per unit TrolMaster AC Remote Station for Hydro-X (ARS-1) $89.10 per unit GrowersHouse $87.14 per unit Titan Controls Zephyr 1 -- Day and Night Thermostat Controller $87.14 per unit GrowersHouse $82.49 per unit Link4 iPonic D.I.S.M 50ft Extension Cable $82.49 per unit GrowersHouse $77.09 per unit C.A.P. HLC Advanced HID Lighting Controller $77.09 per unit GrowersHouse $2,015.19 per unit Bluelab PeriPod L3 $2,015.19 per unit GrowersHouse $548.35 per unit Bluelab pH Doser Controller Connect $548.35 per unit GrowersHouse $497.63 per unit Bluelab Guardian Monitor Connect In-Line $497.63 per unit GrowersHouse $487.87 per unit Bluelab pH Doser Controller $487.87 per unit GrowersHouse $389 per unit Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature $389 per unit GrowersHouse $382.48 per unit Bluelab Guardian Monitor Connect $382.48 per unit GrowersHouse $189.12 per unit Myron L Ultrapen PT2 pH & Temperature Pen $189.12 per unit GrowersHouse $169 per unit Hanna GroLine Replacement pH/EC/TDS Electrode for HI981420 $169 per unit GrowersHouse $156.41 per unit Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution $156.41 per unit GrowersHouse $156.16 per unit Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC $156.16 per unit GrowersHouse $149 per unit Hanna Instruments pH/EC/TDS Multiparameter Probe for use with HI9814 GroLine Combo Meter $149 per unit GrowersHouse $119.27 per unit Bluelab Commercial Truncheon - Nutrient Meter $119.27 per unit GrowersHouse $119 per unit Hanna GroLine Direct Soil EC Tester/Pen $119 per unit GrowersHouse ← Previous 1 2 3 4 5 6 7 Next →