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:
Question
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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?

 

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