Sebago Brewing Company Logo   Locations in Portland, South Portland, and Gorham
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Brew Tour

From Grain to Glass......

 
At Sebago Brewing Company we brew our beers from all malt. We use American grown 2-Row, caramel, chocolate, black, roasted barley and Munich malts from Briess Malting Company. Our grain silo holds 50,000 lbs. of American 2-Row Pale malt. We purchase our grain by the truckload and the bulk grain is blown into the silo from the grain truck. We use 75-80% of this grain in all of our beers. Then we measure our specialty malts into the mill. At this point we crush the malt so that the husk's are cracked open and the "meat" of the grain is exposed. Picture of the Brewery
The grain is transferred to the brew house by our auger system. When the brewer starts the mash in process we simply turn the motor on and mix the hot water with the grain. We mash in at 162 ºF so our final mash temperature is 148 ºF. The grain then steeps in the Mash Tun for 1 hour. This is similar to soaking a tea bag into a cup of hot water. The enzymes in the mash convert the starches to sugars giving the liquid a very sweet malty taste. This is called wort (wert). The wort is then transferred to the kettle and the grain is sparged or rinsed. Picture of the Mash
The sparge takes about 2 hours to remove all of the sugars from the mash. It's important to take our time when sparging so that our wort is clear and free of particles. After all the sugars are removed we give the spent grain to a local farmer to feed his Reindeer. Picture of the Sparge
When we have collected 682 gallons of wort we start the boil. All of our brews are boiled for one hour.  During this hour we add hops at selected times.  First, at the beginning of the boil for bitterness, second, half way through the boil for flavor. And third, five minutes to the end of the boil for aroma. Finally, we turn the boil off and let the hops settle out of the liquid.  By whirling the kettle we collect most of the hops and protein in the dish at the bottom of the kettle (see photo to the right). The next step is to cool the wort to the proper fermentation temperature, 68° F for Ales  & 55° F for Lagers.
Fermentation is the process of tiny yeast cells metabolizing sugar. The byproduct of fermentation is CO2 and Alcohol.   Yeast is very particular about what temperature it lives in so it is the brewers' job to keep the yeast happy and clean.  The wort produced in the brew house is our yeast's food.

We ferment our ales with an American style ale yeast. In our opinion this yeast gives our beer its wonderful sweet and fruity balance when combined with generous amounts of hops.
After 4-5 days of fermentation the beer is chilled and aged for 2-5 days. We dry hop our Frye's Leap I.P.A with Cascade and Centennial hops for at least 4 days during this time.

Picture of Employee in the Boiler
After the few days of aging we filter our beer.  This makes the beer bright and clear. Then we add carbonation to the beer in the serving room. These tanks hold the bright carbonated beer that we serve right out of our taps to the bar.  Our cold rooms are 38 ºF so the beer is cool and refreshing. Picture of Fermentation Tanks

We package our beers in 12 and 22 oz. bottles and kegs. It's imperative that our finished product doesn't come in contact with sunlight or oxygen and we never pasteurize or use preservatives. Our Bulldog keg filler/ cleaner enables us to clean and fill 40 kegs per hour.


Please click on the following links for a short tour of our bottling line.


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