The boiled h2o (100oC) is brought to the suitable temperature for that yeast to operate as 10 - 15oC. This temperature is dependent upon the sort of yeast and the type of beer. When I went, I arrived right and midday lunchtime, as well as gates have been locked; So https://saigon70369.canariblogs.com/sai-gon-list-fundamentals-explained-45499024