Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
발효계를 사용하여 발효 과정을 측정할 수 있습니다.balhyo-gye-reul sayonghayeo balhyo gwajeong-eul cheugjeonghal su itsseumnida.You can use a zymometer to measure the fermentation process.