Pay attention to hygiene, control the fermentation temperature, and filter the skin residue in time, and there will be no big problems.

Taboos in wine making methods:

Do not come into contact with iron or copper tools during the entire process, as this will cause iron and copper decay;

1 . Gas is produced during the fermentation process. Do not seal the mouth of the container, just cover it slightly;

2. Do not come into contact with iron or copper tools during the entire process, which will cause iron and copper decay;

< p>3. Do not use green or rotten grapes to make wine, otherwise the wine will be sour and taste bad;

4. Grapes need to be crushed before being put into containers, which is conducive to the dissolution of beneficial substances;< /p>

5. Do not rinse the grapes too much. The power of fermentation comes from the wild yeast on the skin;

6. Do not contact raw water during the fermentation process to prevent infection with miscellaneous bacteria and cause fermentation failure;

7. Avoid direct sunlight during the entire process, and the temperature is optimal within 35 degrees.

Does home-brew wine contain excessive harmful substances? Many netizens are worried that the methanol content in home-brewed wine will exceed the standard. In fact, there is no need to worry. During the fermentation process, as long as you pay attention to hygiene and avoid infection with miscellaneous bacteria, the fermentation temperature is between 28-35 degrees, do not come into contact with iron or copper tools, and avoid direct sunlight. The fermented wine will not contain any harmful substances, even if it does, it will be far away Below the relevant standards, drink with confidence.