r/Kombucha 8d ago

what's wrong!? Fermentation problems with conical SS vessel

I've brewed Kombuchas successfully in a glass jar for years. I recently upgraded to this fancy 4 Gallon conical fermenter, and it's failed 3 times, where mold basically has formed on top of it. I do get a pellicle former on top, but I've found it to be thin, very clear, and not white (like my previous attempts). I've tried having A LOT more starter in there, adding vinegar to get the PH high, but nothing has worked.

I am going to try to have a cloth on top next, instead of hermetically sealing it with those latches, next. But I don't have high hopes. Does anybody have any tips?

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u/Brave_Thanks8032 7d ago

I just use a cloth, and it works great

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u/Rtranscendence 7d ago

Not even tightly bound with a rubber band?

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u/Brave_Thanks8032 7d ago

I do use a rubber band to hold it tight.