HANNA GroLine Hydroponic Monitor for pH, EC, TDS, Temperature SHIP_FR20 Nitrogen (N) = 2

Nitrogen (N) = 2

with indicator lights for each type

6’ Power Cord with On/Off Switch

Current Culture® Under Current® Evolution

For Stealth-RO™ Systems

HANNA GroLine Hydroponic Monitor for pH, EC, TDS, Temperature SHIP_FR20 Nitrogen (N) = 2Hanna GroLine Hydroponic Nutrients Monitor for pH,EC,TDS and Temperature The HI981421 GroLine Monitor provides 24 hour 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. Inline Probe Design for built in Hydro Monitoring