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| Brewing Process |
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All of the beers brewed at Hops start
with domestically grown milled grain. At Hops we use six types of
malted barley for the four core beers that we brew.
The first step of the brewing process is to pour the carefully measured
grain in to the mash lauter tun, one of the large copper vessels
inside the brewery. The Brewmaster continuously stirs the grain
as 170-degree water is pumped in from the brew kettle. The water
and grain are mixed together to form an oatmeal like consistency.
The mash
will then sit for 45 minutes at a temperature between 145-160 degrees
to allow the starch to convert into sugar.
The steam generator is used to heat the hot liquor and wort in the
brew kettle.
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After 45 minutes, the wort (beer
before it is fermented) is recirculated through the mash,
which acts as a filter medium. The wort is gravity fed
to the Brew kettle while water from the hot liquor tank is
pumped on top of the mash to release all of the available
sugar from the grain. The Brewmaster then removes the thick
grain bed remaining in the mash lauter tun. This grain bed is
later donated to local farmers to feed livestock.
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Once the kettle is full it is boiled for 90 minutes. This boiling process helps to coagulate proteins and sterilizes the wort. During the boil, hops are added at the beginning for bitterness and during the last fifteen minutes for aroma and flavor. After the ninety-minute boil, the kettle is whirl pooled and allowed to settle for twenty minutes. The whirlpool allows any solid materials such as hops and coagulated proteins, to gather at the bottom of the kettle.
The Brewmaster then
draws the relatively clear wort through a heat exchanger. The heat
exchanger allows the wort, at temperatures near 212 degrees, to pass
between separate plates that contain very cold water. This exchange
drastically reduces the temperature of the wort to create a living
environment for the yeast. The wort is then passed to the
fermentation vessels.
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Once the wort has reached the fermentation
tanks, the Brewmaster adds the high quality liquid yeast. The yeast
begins to convert sugars to alcohol and carbon dioxide. The gasses
created are vented from the vessel. For the following four to five
days the yeast is left to consume the sugars inside the fermentation
vessel at a temperature of 68 degrees. The by-products given off
by the yeast during this stage add the alcohol to the beer. Once
the yeast runs out of sugars to consume it becomes dormant and settles
to the cone shaped bottom of the tank. The temperature is dropped
close to freezing and is cold-conditioned for another ten days.
The next step of the Hops brewing
process is to pass the newly brewed, cold beer through a series of
natural paper filters to remove any yeast in suspension. The beer
passes into 220 gallon, chilled serving vessels. Once inside the
vessel carbon dioxide is added using a carbonation stone, which
allows the beer to absorb the carbon dioxide. After this step is
measured and approved by the Brewmaster, the beer is ready to be
delivered through insulated lines to the taps located in the bar.
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Hops
beers are served to you after two weeks of preparation using
only all natural ingredients and are always fresh, from grain
to glass.
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© Hops, 2010 |
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