Reactor Culture conditions Dosing condition Concentration of NaHCO3 (mol/L) Expected pH* Expected [CO2]* (mol/L) No. 1 5% CO2 dosing 6.97×10-3 7 0.002 No. 2 5% CO2 dosing 6.97×10-3 7 0.002 No. 3 20% CO2 dosing 3.29×10-2 7 0.008 No. 4 20% CO2 dosing 3.29×10-2 7 0.008 No. 5 50% CO2 dosing 9.19×10-2 7 0.020 No. 6 50% CO2 dosing 9.19×10-2 7 0.020

Table 2: The culture condition of each reactor in the study of CO2 impact on D. salina growth.