Filter All listing types All listing types Sale Auction Service Controllers & meters All categories Genetics Seeds Pollen Clones Tissue Cultures Equipment Complete kits Ventilation / Climate Lights Propagation Irrigation system Tents & greenhouses Nutrients Soil & Media Pots & trays Controllers & meters Harvesting & processing Testing Packaging & conditioning 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 Accessories, tools, consumables Services BlueLab Calibration Solution - 27.7CF/EC2.77 - 250mL $8.86 GrowersHouse Titan Controls Apollo 6 -- 24 hour Analog $11.68 GrowersHouse ActiveAir 3 - Way Meter $8.38 GrowersHouse 2-Way pH & Moisture Meter $7.65 GrowersHouse Bluelab PowerPod $474.32 GrowersHouse Bluelab Sample Pot for Testing Remote Reservoirs $170.23 GrowersHouse Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) $151.87 GrowersHouse Bluelab PeriPod L3 $2,015.19 GrowersHouse Bluelab Guardian Monitor Connect In-Line $497.63 GrowersHouse Bluelab pH Doser Controller Connect $548.35 GrowersHouse Bluelab pH Doser Controller $487.87 GrowersHouse Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature $389 GrowersHouse Bluelab Guardian Monitor Connect $382.48 GrowersHouse Bluelab Guardian Monitor $333.31 GrowersHouse HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp $307.14 GrowersHouse Hanna GroLine Waterproof Portable pH/EC/TDS/Temperature Meter HI9814 (new model) $259 GrowersHouse BlueLab Combo Meter $249.98 GrowersHouse Hanna pH/TDS Temperature Monitor $235.71 GrowersHouse Hanna GroLine Direct Soil and Soiless Media pH Electrode for use with HI9814 $209 GrowersHouse Hanna GroChek pH/EC/TDS Meter HI9813-6N $205 GrowersHouse Myron L Ultrapen PT2 pH & Temperature Pen $189.12 GrowersHouse Hanna GroLine Replacement pH/EC/TDS Electrode for HI981420 $169 GrowersHouse Hanna Combo HI98129 pH/EC/TDS/Temperature Tester with Low Range EC $156.16 GrowersHouse Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution $156.41 GrowersHouse Hanna Instruments pH/EC/TDS Multiparameter Probe for use with HI9814 GroLine Combo Meter $149 GrowersHouse Bluelab Commercial Truncheon - Nutrient Meter $119.27 GrowersHouse Hanna GroLine Direct Soil EC Tester/Pen $119 GrowersHouse Bluelab Original Truncheon Meter $116.93 GrowersHouse Hanna Grochek Water Resistant pH Indicator (HI981401N) $113.93 GrowersHouse BlueLab pH Pen $97.37 GrowersHouse ← Previous 1 … 13 14 15 16 17 Next →
