high humidity. For example, storing chocolate in a kitchen cabinet near the stove or in a refrigerator where it can absorb moisture can result in bloom.
Another common cause is handling chocolate with wet or warm hands, which can introduce moisture or heat to the chocolate surface, leading to sugar or fat bloom. Additionally, if chocolate is exposed to direct sunlight or stored near a heat source, it may develop bloom as the cocoa butter melts and resolidifies unevenly.
6. How to Tell Bloom Apart From Mold or Spoilage
To