How to keep wine warm in winter is to put it next to the radiator. Just put the container for making liqueur next to the radiator (don't go near it). The temperature is about 30 degrees. Wrapped in a quilt. In this way, its interior has formed a constant temperature state. After a day, the temperature may drop. Prepare two warm water bags close to the container and use a yogurt machine. Yogurt machine has its own thermostat to ensure the temperature is about 40 degrees, so it can also be used to make sweet wine.

How to remedy the sour wine?

Sweet wine is also called rice wine. There are many reasons why yellow rice wine turns sour. There are two main reasons: one is the mistake in the brewing process, and the other is the problem in the storage of yellow rice wine. In the whole fermentation process of yellow rice wine, if the proportion of yeast and Rhizopus is unbalanced, it will cause sour taste. If the tools used are dirty or oily, there will be sour rice wine.

It is best to keep the brewed rice wine in a cool and sealed place. If the seal is not good or the storage environment is hot, the yellow rice wine will turn sour. This kind of rice wine is best not to eat.