February 17, 2022 - 10:44pm
Nitrogen-stressed yeast or mold?
I am not asking "what should I do?" so I think there is no need for feeding schedule, temperatures and stuff.
Loose starter, stirred every 2-3 days, been going well for 3 months in winter, but now it's getting warmer.
Is this yeast under nitrogen stress or... mold?! It isn't fuzzy enough to be mold.
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Don't think it's mold. Looks like kahm yeast. It's not harmful and happens when the yeast is stressed.
You say stirred every 2-3 days. Is it in the fridge? Are you feeding it? Ideally if it's not refrigerated it should be fed everyday.
Photos support Abe's diagnosis:
https://duckduckgo.com/?q=kahm+yeast&t=fpas&iax=images&ia=images
One of these photos on kombucha looks like an exact match:
https://www.kombuchakamp.com/kombucha-brewing-pictures/kahm-yeast-kombucha-contamination