Kojiya Sanzaemon also sells commercial-use starter koji suitable for producing more than 150 kg at a time .

*For beginners or those who plan to make koji in several batches, we recommend the home use version.

Our household starter koji is made in small quantities and is easy to spread evenly. Commercial use is different from the different sizes for household use, and is made to manufacturer standards and adjustments, so techniques are required to make the ingredients into koji evenly.

We do not normally sell these products, so please contact us here for inquiries.

*The manufacturer is Bioc , a group company of Kojiya Sanzaemon.