…and many more (92 total)

Wine grade electrode with an easy-to-clean

Amplified: Yes (built-in signal amplification)

Other filters can take up to twice as long

With a 5-year shelf life

Hanna GroLine HI981420-01 Hydroponic Nutrient Monitor - pH EC TDS Meter PFAS filtration …and many more (92 total)GroLine HI981420 01 Hydroponic Nutrient Monitor Professional pH, EC & TDS Monitoring The Hanna GroLine HI981420 01 Monitor delivers around the clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Engineered for hydroponics, aquaponics, and greenhouse operations, this professional grade monitor ensures consistent yields through precise nutrient management. Key Benefits 24 7 Continuous