Moldy Grapes!
...e is to weight them down somehow. In this case, I had a baggy full of salt water (salt water so that if it leaked, it wouldn’t dilute the brine) sitting at the top of the jar. But I didn’t pay attention to the jar during the fermentation, and a couple of the rolls popped up at the sides and mold set in––a kind of fluffy, spider-webby black mold that crept from the exposed bundles up the sides of the jar. The lesson to be learned here is to pay som...