Hishiroku Seed Koji kin Soy Sauce Shoyu Making Powder 20g x 3 Bags Made in Japan

And koji cannot be made without seed koji. This seed koji is ideal for making soy sauce, as it brings out the aroma of the koji. Seed koji is the koji fungus that is the base for koji. Be sure to thoroughly clean utensils, cloths, and hands to prevent the introduction of germs.

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