Experiment on culturing 4 species of single cell algae, i.e., Chlorella sp., Kirchneriella sp.,
Navicula sp. and Coccomyxa sp. was carried out in 250 ml glass tube except Navicula sp. in glass
bottle by using f/2 medium formula. The initial density of each species was 1x104 cells per ml. The
culturing conditions were 8,000 lux of fluorescents intensity for 16 hours per day, aerating with 3%