HopsTimingThe hops may be added all at once; but more commonly, they are metered out in portions throughout the boil either at the start of the boil or near the end of the boil. Bittering hops are usually added at the beginning of the boil to maximize isomerization of their alpha-acid content and to

Following wort separation and extraction of the carbohydrates, proteins, and yeast nutrients from the mash, the clear wort must be conditioned by boiling in the kettle.

Wort boiling happened in brewing kettle is an important process. Boiled wort quality decided the final beer quality in some way. So, except for the design of brew kettle, how can we control the wort boiling process well?