2. Make your own sour water: When the weather is hot, add fresh vegetables suitable for kimchi, such as tender ginger, red pepper and cowpea, and appropriate amount of salt (a little more for the first time, about one or two salts for a catty of vegetables), then add appropriate amount of sugar and put it in a closed container (or water seal) to let it produce microorganisms by itself. It will take about 1 week.
3. After the sour water rises, you should eat kimchi. It is best to eat fresh kimchi and soak it in a small amount. Old pickle, let it grow in it, don't catch it all.
4. soak yourself. After several times, you can master the amount of salt and sugar according to your own taste. Add a little salt to vegetables.