Remove medium, add fresh 0.25% trypsin, 0.03% EDTA for 1 to 3 minutes, remove trypsin and let the culture sit at 37°C for 10 to 20 minutes. Add fresh medium, aspirate and dispense into new flasks. Subcultivation Ratio: A subcultivation ratio of 1:2 to 1:6 is recommended
Medium Renewal: 2 to 3 times per week |