Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature Stone Wool incorporating seaweed into your plant

incorporating seaweed into your plant care routine can help improve plant growth more effectively than synthetic fertilizers alone

2x AQUAvalve

Helps prevent blossom end rot

Once primed

Hand-Cranked Sweeper Curtains: The manual operation of the sweeper curtains is controlled by a removable hand crank

Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature Stone Wool incorporating seaweed into your plantGrow better with GroLine. The HI981420 GroLine Monitor provides 24 hour continuous monitoring of pH, conductivity (EC or TDS), and temperature in hydroponic nutrients. Quick to setup and 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 and combined pH EC Temperature probe. High and low alarms with LED indicator. Easy viewing on the large