(Continued from Part 1. This concludes the article.) My grandmother used open ceramic crocks to make sauerkraut. The problem is that they, like the Gartopf style ceramic crocks, are quite expensive compared to glass jars, so I bought several used crocks to try. It is hard to seal open crocks adequately to provide the anaerobic environment necessary to make sauerkraut without having to regularly skim off the spoilage that forms at the top of the crock. I tried using a piece of lexan sealed to the top of the crock with silicone glue, drilling a hole in the lexan to …
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