Why is timing not so critical with h2s readings Question # 00767612 Posted By: Themphes Updated on: 06/25/2020 01:18 PM Due on: 07/03/2020 Subject Biology Topic General Biology Tutorials: 0 Question As mentioned in the theory, the fermentation readings with KIA must take place between 18 and 24 hours after inoculation.Why is timing not so critical with H2S readings? Rating: 4.9/5