Set Points
Temperature
Recommended Set-Point: 24oC (75oF) Daytime 18.8oC (65oF) Nighttime
Relative Humidity Recommended Set-Point: 30% to 70%
Carbon Dioxide Concentration
Recommended Set-Point: 1000 ppm when light is available for photosynthesis and ambient levels during dark hours
Light
Recommended Set-Point: Up to 17 moles/m2/day as a combination of solar and supplemental light (see photoperiod)
Dissolved Oxygen (DO)
Recommended Set-Point: above 4 mg/L or 4 ppm in the nutrient solution
pH
Recommended Set-Point: 5.8
Electrical Conductivity (EC)
Recommended Set-Point: 1.2 milliSiemens/cm
Photoperiod
Recommended Set-Point: a maximum of 16 hrs of light to prevent early bolting