Algae Chaetoceros muelleri was cultured by F/2 based solution and supplemented with different concentrations of probiotics based on Baccillus and Lactobacillus (0, 0.5, 0.75 and 1.0 mg/L). At supplemented concentration of 0.75 mg/L, algae could reached the highest density (86,56 ± 0,95 x 105 cells/ml) after 7 days and maintained until 12 days of culture period, these results were significantly different from control or other probiotic supplemented concentrations...