Pay in 4 interest-free payments of $61.88 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
automatic shut off selectable from 8 minutes
Mix approximately 1 oz per gallon of water
easier and better than using base nutrients alone
Product and Mounting Dimensions - Controller
HANNA GroLine Hydroponic Monitor for pH, EC, TDS, Temperature Free Shipping automatic shut off selectable fromHanna GroLine Hydroponic Nutrients Monitor for pH,EC,TDS and Temperature The HI981421 GroLine Monitor provides 24 hour continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrients solutions. Quick to setup, simple to use, this monitor was designed with Hydroponics, Aquaponics, and Greenhouses in mind. Make your nutrient solution easy to manage with the GroLine Monitor. Inline Probe Design for built in Hydro Monitoring
US$ 10.25
US$ 58.15
US$ 11.55
US$ 161.10
US$ 66.98
