Preparation materials: wine after the first fermentation: appropriate amount, gauze: one piece, container: one piece.

1, ready to finish the first fermentation of wine, and then open the lid for later use.

2. Put the gauze on the container, then pour the wine on the gauze and filter out the grape residue.

3. Pour the filtered wine into another clean container without water, and then seal and ferment for 20 days.

4.20 days later, the second fermented wine is filtered again and can be drunk.