BLUELAB best sellers

#1 🔥 METCOMPLUS Combo Meter 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

$269.99 on Amazon

#2 pH Pen ± 0.1 pH Accurate bluelab pH Pen - ± 0.1 pH Accurate, Durable Double Junction Probe, Waterproof & Floats, Auto Temperature Compensation, Easy Calibration - Made in NZ

$99.95 on Amazon

#3 pH 4.0 & 7.0 Calibration 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)

$39.99 on Amazon

#4 STSOL120 KCL Storage Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White

$19.98 on Amazon

#5 Truncheon Nutrient Meter Bluelab Truncheon Nutrient Meter, Digital Conductivity Tester in Water (EC, 500, ppm 700, CF, TDS) Tool for Hydroponic System and Indoor Plant Grow

$104 on Amazon

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

$249.99 on Amazon

#7 2.77EC Conductivity Solution BlueLab 2.77EC Conductivity Solution, 250 milliliters

$13 on Amazon

#8 PENCON Conductivity Pen Bluelab PENCON Conductivity Pen and Digital TDS Meter, Water Tester for Temperature and Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit for Hydroponic System and Indoor Plant Grow

$79.59 on Amazon

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

$89.99 on Amazon

#10 CAREKITPHCON Probe Care BLUELAB CAREKITPHCON Probe Care Kit for pH and Conductivity (TDS/PPM) Probes and Pens with 4 Solutions and Cleaners, Cleaning Kit Tool for Hydroponic system and Indoor Plant Grow

$31 on Amazon

#11 CAREKITPH pH Probe Care 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

$24.99 on Amazon

#12 🔥 PROBPHLEAP Leap pH Probe Bluelab PROBPHLEAP Leap pH Probe in Water and Soil, Replacement Probe for pH Meters with Easy Calibration, Tool for Hydroponic System and Indoor Plant Grow

$97.11 on Amazon

#13 TRUNCOMV2 Commercial 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

$98 on Amazon

#14 2.77EC Conductivity Solution BlueLab 2.77EC Conductivity Solution, PH 7.0, and PH 4.0 Calibration Solution Set 250 Milliliters

$32.59 on Amazon

#15 🔥 METMULTI Multimedia PH Bluelab METMULTI Multimedia PH Meter – Digital Handheld Hydroponic Nutrient and Soil PH Meter for Measuring PH Levels in Nutrient Solutions and Soil

$239 on Amazon

#16 732901 2.77EC Conductivity BlueLab 732901 2.77EC Conductivity Solution, 500 milliliters Industrial-Products, Clear

$17.89 on Amazon

#17 Calibration Solution Bluelab Calibration Solution pH 4.0, 7.0 and 2.77 EC Conductivity Solution, 500 ml Each

$49.99 on Amazon

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

$189.99 on Amazon

#19 🔥 Bluelab® Combo Meter Bluelab® Combo Meter pH Replacement Probe - pH probe

$65.87 on Shopify

#20 🔥 Bluelab® OnePen With Bluelab® OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe

$187.64 on Shopify