Hanna Instruments GroLine Monitor for Hydroponic Nutrients HI981420 Package Set Some sediment at the bottom

Some sediment at the bottom of bottle is normal

pH Electrode pH electrode with replaceable bridge electrolyte Automatic Shut-Off 8 minutes

1 pH) pH Calibration one or two-point calibration (using pH 4

Features at-a-glance

Hanna Instruments GroLine Monitor for Hydroponic Nutrients HI981420 Package Set Some sediment at the bottom3 sensors combined in a single rugged probe body IP65 rated enclosure Wide pH Range Selectable EC to TDS ppm conversion factor Automatic Temperature Compensation Large LCD with plant friendly green backlighting Data logging for 30 days Data transfer High and low alarms Ambient light sensor One quick glance is all it takes. A large clear LCD displays all of your essential readings so you know what your hydroponic nutrients solution is doing 24 7. High