Apera Instruments PH60-WW Handheld pH Meter Tester Kit with LabSen 335 ATC pH Electrode for Lab-Grade pH Measurement in Wastewater, Suspensions, and Emulsions
Apera Instruments
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
bluelab
Testo 405i Anemometer handheld – Wind Meter For Air Velocity, In-Duct Airflow, And Temperature – Wireless Thermometer With Bluetooth And App Operation
Testo
14% off
Bluelab pH Pen Meter and Probe Care Kit pH with Calibration Supplies, Storage Solution & Brush, Reliable Digital Tester for pH, Temperature in Soil and Solutions, Optimal Plant Health and Yield
bluelab
20% off