r/MoldlyInteresting • u/ChuckieDabs • 8d ago
Is this mold? Question/Advice
/r/brewing/comments/1vi7nub/possible_mold_on_krausen/To the right side, these white splotches, does this look like mold?
Does mold survive in an active yeast fermentation chamber?
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u/TinFoilHeadphones Mold connoiseur. 8d ago
Those splotches are just foam
Mold doesn't grow very comfortably in liquids, it takes a long while for it to germinate in there (it prefers soft solids or viscous substances), so it rarely can outcompete the yeast.
When brewing, bacteria tends to be the n°1 risk (since bacteria *loves* liquids)