Filter Grid List Map All listing types All listing types Selling Give Away Providing ($) Trading Controllers & meters All categories Genetics Seeds Clones Pollen Tissue Cultures Spores Equipment Complete kits Ventilation / Climate Lights Propagation Irrigation system Tents & greenhouses Nutrients Soil & Media Pots & trays Controllers & meters Harvesting & processing Packaging & conditioning Mycology supplies Accessories, tools, consumables 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 Packaging & conditioning Mycology supplies Accessories, tools, consumables Niwa Grow Hub $199 Niwa Grow Hub HI12922 HALO® Wireless Soil pH Meter $225 Hanna Instruments HI2500 Mini-Fertilizer and Acid Injection System $1,995 Hanna Instruments HI98103 pH Tester + 7 Months of Solutions $52 Hanna Instruments Inline Hydroponic Nutrients Monitor with Graphing and Data Logs $495 Hanna Instruments HI10000 Advanced Fertigation Control System $23,125 Hanna Instruments HI9814K GroLine Waterproof pH/EC/TDS/Temp Hydroponics Meter Kit $385 Hanna Instruments Waterproof Pocket pH Meter & 7 Months of Solutions $75 Hanna Instruments HI981420 GroLine Monitor for Hydroponic Nutrients $389 Hanna Instruments HI98331 Soil Test™ Direct Soil/Media EC Tester $119 Hanna Instruments TrolMaster Hydro-X Environment Control System (HSC-1) and 1 x Ada $319 NextLight Link4 iPonic 624 Single Zone Grow Room Controller $2,998.99 Loudbank Garden Supplies TrolMaster Hydro-X Environment Control System (HSC-1) $269 NextLight Pulse One WiFi Grow Monitor $199 Pulse Labs Cannabinoid test kit $99 Cannabis Open Source
