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What You'll Get
Choose from Three Options
$20 for brewery shuttle service for one ($40 total value)
- One ticket to the brewery pub crawl shuttle service ($35 value)
- One beer from a brewery ($5 value)
$40 for brewery shuttle service for two ($80total value)
- Two tickets to the brewery pub crawl shuttle service ($70 value)
- Two beers from a brewery ($10 value)
$80 for brewery shuttle service for four ($160 total value)
- Four tickets to the brewery pub crawl shuttle service ($140 value)
- Four beers from a brewery ($20 value)
Brewing Yeast: The Sweet Strains of Fermentation
Brewmasters strike a delicate balance with every batch of beer that they create. Learn more about one of their key ingredients.
To understand what yeast does for beer, it’s helpful to consider what beer would be like without it: cloudy, flat, and sweetly bland. Beer in this inchoate state has a name—it’s wort, a boiled mixture of malt extract, water, hops, and the brewer’s hopes and dreams. The job of the single-celled microorganisms known as yeast? Eat the sugars in this mixture, turning them into bubbly carbon dioxide, alcohol, and other compounds that add flavor.
North, South, and Yeast
This is more or less how all yeasts work, but brewing yeast is special due to what happens next: flocculation. As the yeast nears the end of the fermentation process, the cells form clumps and either drop to the bottom of the vat or rise to the top. This spent yeast can be skimmed away, leaving beer that is more or less clear depending on the desired style. (Most commercial beers are further filtered before they reach the bottle or keg.) Top-fermenting or ale yeasts rise to the surface of the wort during fermentation; they’re used to craft ales, porters, stouts, and wheat beers, among others. Bottom-fermenting yeasts, on the other hand, are part of what gives lagers their mellow character.
The Fine Print
Promotional value expires Nov 14, 2015. Amount paid never expires. Reservation required. Limit 10 per person. Limit 1 per visit. Valid only for option purchased. Valid only for option purchased. Must use promotional value in 1 visit. Promotional value expires Nov 14, 2015. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.