# Hanna Instruments GroLine Monitor for Hydroponic Nutrients HI981420

> Hanna hydroponics monitor for pH, EC, and TDS measurement in nutrient solutions. Continuous monitoring for optimal plant growth. Order from ERE Inc.

- **URL:** https://ereinc.com/products/hydroponics-monitor
- **Type:** Water Quality Monitor
- **Brand:** Hanna
- **Pricing:** request a quote at https://ereinc.com/products/hydroponics-monitor
- **Tags:** brand:hanna, dept:instruments-sales, revamp-2026-06, water monitoring, Water Quality Instrumentation

## Description

Continuously monitors pH, electrical conductivity, total dissolved solids and temperature
Ideal for testing hydroponic nutrients

## Images
- https://cdn.shopify.com/s/files/1/0561/7434/6433/files/groline-hydroponic-nutrients-monitor-ph-ec-tds-full-view--hi981420__33017.1566997205.jpg?v=1781128946
- https://cdn.shopify.com/s/files/1/0561/7434/6433/products/hannaHydroponicsMonitor.png?v=1634744001
- https://cdn.shopify.com/s/files/1/0561/7434/6433/products/groline-hydroponic-nutrients-monitor-ph-ec-tds-reading-display-hi981420__41128.1566997206.1280.1280.jpg?v=1634818727
- https://cdn.shopify.com/s/files/1/0561/7434/6433/products/groline-hydroponic-nutrients-monitor-ph-ec-tds-full-view--hi981420__33017.1566997205.1280.1280.jpg?v=1634818727