Hanna GroLine Monitor GH Nitrogen to assemble chlorophyll and

Nitrogen to assemble chlorophyll and amino acids

allowing for almost unlimited control options

Use the mesh side for sheets of A-OK's

"In the case that you see water marks in your brand new machine

Hanna GroLine Monitor GH Nitrogen to assemble chlorophyll andThe HI981420 GroLine Monitor for Hydroponic Nutrients provides around the clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient 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