Alcohol strength cannot be assessed by color. Most people think of stouts as having higher alcohol content than lighter beers, but the color of a beer has absolutely nothing to do with its strength. The color of beer depends on the type of grain it is brewed with, and the amount of grain.

The α-acid content of traditional aroma hops is generally not high, and the ratio of α-acid to β-resin is generally <1; the oil content of aroma hops is often lower than that of bitter hops, which shows that the aroma of hops is related to the composition of hop oil.

First water rinseThe first water rinsing is also called "pre-washing". It is mainly to wash away the material residues and viscous liquids in the cleaned equipment, containers, and pipes as much as possible, so that as little as possible enters the washing (liquid) tank.

The pursuit of perfection is human nature, and the perfect and unique high-quality craft beer is of course the dream of every craft brewer. However, affected by various factors such as environment, equipment, raw materials, process technology, consumption, etc., sometimes the beer produced often fails to reach the ideal goal, and there are always defects of one kind or another.