Bluelab

PROBPH pH Probe for Water, Replacement Electrode for Meter, Monitor, and Controller with Easy Calibration, Tool for Hydroponic System and Indoor Plant Grow

Bluelab

PENSTP pH and Conductivity Starter Pack - Precision Nutrient Solution Management Kit with Temperature Measurement, Waterproof Pens, and Probe Care Kit

Bluelab

CAREKITPH pH Probe Care Kit with Calibration Solution, Storage Solution, and Brush, used for pH Pen, Meter, Monitor, Controller and Tools for Hydroponic System and Indoor Plant Grow

Bluelab

Combo Meter for pH, Temperature & Conductivity in Water - Easy Calibration, Digital EC/TDS/PPM Tester for Hydroponics & Indoor Plants (METCOM)

Bluelab

OnePen - a 3-in-1 Temperature, EC/PPM and pH Meter, Lightning Fast Readings - Bluetooth Data Sharing & in-App Tracking - Replaceable Probe

Bluelab

METCOMPLUS Combo Meter Plus for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS/PPM) Testing Kit for Hydroponic System & Growing Indoor Plants

Bluelab

PENSOILPH Soil pH Pen, Digital Meter and Water Test Kit, Also Used for Coco and Rockwool with Easy Calibration for Hydroponic System and Indoor Plant Grow, Clear

Bluelab

TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester in Water (Scales Include: EC, 500, ppm 700, CF, TDS) Tool for Hydroponic System and Indoor Plant Grow, White

Bluelab

TRUNCOMV2 Commercial Truncheon Nutrient Meter with Increased Measurement Range, Digital Conductivity (TDS, EC, ppm 500, ppm 700, CF) Tester in Water, Tool for Hydroponic System and Plant Grow

Bluelab

Guardian Monitor Inline Wi-Fi for Real-time pH, Temperature, and Conductivity (TDS/PPM) Measurements in Water with Calibration, 3-1 Digital Nutrient Meter for Inline Dosing Systems

Bluelab

pH 4.0 & 7.0 Calibration Solution Kit - pH Meter & pH Pen Calibration for Balanced Nutrient Solution NIST Traceable | Hydroponics, Gardening & Growing Tents (500 ml/ 16.9 Fl Oz Each)

HQCBC-20BB-1-AMZ