Artemia Bohai Bay Salt Lake Tibet Red Nauplii Size 0.43-0.52mm 0.42-0.53mm 0.63-0.69mm Hatching Time 18–24 hours 24–36 hours ~36 hours Temperature 26-30°C (optimal) 26-30°C (optimal) 18-24°C (room temperature) Hatch Rate ~95% (Grade A+) ~90% (Grade A) ~90% (Grade A) Nutrition Content Very high High Moderate to high Color Light brown/orange Light tan/brown Dark brown/reddish