Professional-Grade Construction:

OR-150 O-ring

water treatment and many other applications with challenging EC/TDS/NaCL/Temp

Why Quick Cal Single-Point Calibration

Mineral content in untreated water may cause mineral buildup along the hybrid ceramic shell protecting your filter

Hanna GroLine HI1285-8 Multiparameter Probe - pH EC TDS Temperature Sensor for HI981420 aquarium pH tester Professional-Grade Construction:Hanna GroLine HI1285 8 Multiparameter Probe pH, EC, TDS & Temperature Sensor The Hanna GroLine HI1285 8 Multiparameter Probe measures pH, EC TDS, and temperature in one convenient, rugged probe designed specifically for continuous monitoring in hydroponic nutrient solutions. This specialized probe is engineered for use with the HI981420 GroLine Monitor to provide around the clock monitoring of critical water quality parameters in hydroponics,