I am getting a white crystalline things in my anaerobic culture bottles. I have used same medium from a year and this never happened before. Can anyone suggest me, what this could be?
Just for information: I incubated these cultures last month and this white thing wasn't there in last two weeks.
Hi Pryanka,
without knowing the chemistry of your solution and coal powder it is hard to give a definite answer. My guess would be that some minerals have leached out from the coal causing a change in pH and association with other dissolved matter resulting in precipitation. The best would be for you to extract the white flocs from the bottle using a syringe or pipettor and analyse under SEM-EDX for morphology and elemental composition.
Hope this helps?
Kind regards, Rob.
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