So first time ever getting mold! Does this look like kahm or something else? The ferment is 4 months old and this only developed in the past couple weeks maybe (was away on business and not checking on ferments for a few weeks).
basicly white fuzzy and no bad smell its not hard to id have had a few batches nothing to worrie about. just expirence with it is how i learned lots of great photos out htere as well.