1. Tremella usually takes 3-4 hours to foam. Of course, this time is not fixed. According to the variety, water temperature and season, it will be different, and some will take longer.

2, good quality tremella can be soaked in warm water for about half an hour, and it takes 1-2 hours for the water to cool down, and it takes longer in winter. It takes 1-2 hours to soak tremella in warm water, and it takes longer to soak tremella in cold water, especially in winter.