The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrients solutions.

Quick to setup, simple to use, this monitor was designed with Hydroponics, Aquaponics, and Greenhouses in mind. Make your nutrient solution easy to manage with the GroLine Monitor.

Get 24/7 pH&EC measurements for consistent yields every time
Good Laboratory Practice (GLP) feature for professional accuracy
Calibrate pH and EC with a single Quick Cal solution