Future Harvest 716367 Nutrient Monitor, Brown/A The untraded grow Boss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts The Grow Boss is a constant monitoring meter that indicates to the grower the exact levels of nutrient strength, pH and temperature The Grow Boss display receives Information from three input devices Each monitoring and measuring specific parameters within the nutrient solution This allows the grower to adjust and optimize each parameter as the crop progresses through each growth cycle Display readings are push button selectable via the front keypad toggling between temperature readings in Fahrenheit & Celsius, as well nutrient scales including nail, 442 And EC