Light Regime Growth  Period (days) Maximum biomass concentration Xmax(g/l) Maximum volumetric biomass Productivity Pmax(g/Lday)
16:8 - 10 0.802 0.038
16:8 10% 10 0.94 0.053
20:4 - 10 0.862 0.047
20:4 10% 10 1.024 0.067
Table 5: Effect of carbon dioxide supplementation and light regime on biomass concentration and productivity of G. sulphureum.