Depending upon the production method, it is left for a period from two weeks to one month as it is and a large quantity of yeast is bred in the tub used for the preparation and the production of sake mash, or moto is completed.
あとは製法によって2週間から1ヶ月待つと、仕込まれた桶のなかで酵母が大量に培養され酒母すなわち酛の完成となる。