BLUELAB best sellers

#1 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

$89.59 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 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

#4 TRUNV2 Truncheon Nutrient 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

$104 on Amazon

#5 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)

$44.99 on Amazon

#6 🔥 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

$32.86 on Amazon

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

$14.98 on Amazon

#8 KCl Storage Solution Bluelab KCl Storage Solution for pH Probes and Pens, for Maintaining, Hydrating, and Storing pH Meters, Made in The USA (120ml / 4.5 fl. oz)

$22.99 on Amazon

#9 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)

$279.99 on Amazon

#10 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 on Amazon

#11 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

$288.89 on Amazon

#12 2.77EC Conductivity Solution BlueLab 2.77EC Conductivity Solution, PH 7.0, and PH 4.0 Calibration Solution Set 250 Milliliters

$34.87 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

$119 on Amazon

#14 Guardian Monitor Wi Fi Bluelab Guardian Monitor Wi-Fi for Real-time pH, Temperature, and Conductivity (TDS) Measurements in Water with Calibration, 3 in 1 Digital Nutrient Meter for Hydroponic Systems and Indoor Plant Grow

$375 on Amazon

#15 bluelab combo meter wall bluelab combo meter wall mount holder

$25 on Ebay

#16 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

$199.49 on Amazon

#17 Bluelab® Combo Meter Bluelab® Combo Meter pH Replacement Probe - pH probe

$65.87 on Shopify

#18 PENSOILPH Soil pH Pen 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

$179.93 on Amazon

#19 Bluelab® Guardian Monitor Bluelab® Guardian Monitor - 6.5ft Probe Cable

$320.61 on Shopify

#20 Bluelab® pH Pen Meter Bluelab® pH Pen Meter - Measures pH and Temperature

$93.40 on Shopify