The HortiStick is the ultimate all in one nutrient checker. It is an indispensable tool now made available for commercial, hobbyists and the home growers. The HortiStick is rugged and splash proof. It can be used as a stirrer and at the same time, to measure nutrient concentration, pH and temperature at one go. The HortiStick features a dual LCD display with backlighting - no more worries about in dim environments or any holding tanks. Each measurement is automatically freezed after a stabilized reading is established. Such feature is unmatched in other expensive all in one meters.Advanced Features:3 Function in 1Meter measures Nutrient concentration, pH and Temperature in one go2 measurement units for Nutrient ConcentrationUser can select the Nutrient reading in EC or ppmTrue PPM readingThe meter displays the correct conversion factor used for Nutrient solutionsReplaceable ProbeSensor probe is replaceable upon expiry. Save money and the environment as well!AA size BatteryThe meter uses 4 regular AA size batteries, commonly available everywhere.