Try more liquid next time and a weight on the top of the cabbage to keep it down? A nice clean flat rock works well, just boil it for 5 mins before you use it.
Don't let the mold sour your enthusiasm!
I had a devil of a time with moldy sauerkraut. I could never keep all the little floaties under the liquid surface. I would like to try again when cabbage is cheap.
How long did the batch last before molding?
Around 3 weeks time. Haven't checked it since last weekend. I'm going to try again for another batch this weekend. Maybe it's for the best as I wanted to add some heat to the batch. Throw a Thai chili or two in.
First time I tried so no surprise. But after having homemade kraut I can't go back to the store bought stuff.
Why would you diminish delicious kraut with chilis!!!
Did you use salt? How did you make it?