Primary Fermentation - Mold or Yeast by product?

Anyone seen this before? Very light bread mold look only on the surface of primary fermentation. All equipment StarSan’d before use. I’ve been home brewing for many years and never had this happen so, no clue if this batch is ruined. Safe to drink? Also, brewed this 3 weeks ago.

Topic mold homebrew

Category Mac


I was once told that a general rule is any white infection is salvageable as a sour if you so choose, any green must be dumped. Personally I hate sours and will dump all infections, and that's definitely infected. Dump it, don't even bother tasting it


Seems like pieces of a pellicle from bacterial infection. Sanitize everything with bleach, rinse properly with water and then starsan.

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