Hanna GroLine Monitor GH Use the mesh side for

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

Nitrogen to assemble chlorophyll and amino acids

Quest Overhead Dehumidifier Hanging Bracket for Dual 105

450 gallons per hour

pH and temperature meter all-in-one

Hanna GroLine Monitor GH Use the mesh side forThe 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