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 $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 $116.93 per unit Bluelab Original Truncheon Meter $116.93 per unit GrowersHouse $65.56 per unit Hanna pH Checker Complete Starter Kit with 4 + 7 Calibration Solution $65.56 per unit GrowersHouse $61.25 per unit Bluelab Replacement pH Probe $61.25 per unit GrowersHouse $59.97 per unit HM Digital Waterproof Combo Meter COM-100 $59.97 per unit GrowersHouse $46.64 per unit Hanna PHEP Tester (Model HI 98107) $46.64 per unit GrowersHouse $26.16 per unit Milwaukee pH Tester Model pH600 AQ $26.16 per unit GrowersHouse $21.43 per unit Bluelab Meter Carry Case $21.43 per unit GrowersHouse $20.99 per unit Bluelab Probe Care Kit pH + Conductivity $20.99 per unit GrowersHouse $18.20 per unit Hanna 1500PPM Calibration Solution $18.20 per unit GrowersHouse $18.20 per unit Hanna 1413 uS-CM Calibration Solution -- 16 oz $18.20 per unit GrowersHouse $18.01 per unit General Hydroponics Calibration pH 7.01 Calibration Solution -- 1 Quart $18.01 per unit GrowersHouse $17.07 per unit Hanna pH7 Calibration Solutions -- 16 oz $17.07 per unit GrowersHouse $16.88 per unit Hanna TDS 1382 Calibration 460 ml $16.88 per unit GrowersHouse $7.27 per unit pH Test Indicator Solution 1 oz $7.27 per unit GrowersHouse $7.21 per unit BlueLab Calibration Solution - 7.0 pH $7.21 per unit GrowersHouse ← Previous 1 2 3 4 5 6 7 Next →