Thames Valley Ale II (WY1882)
Type: Yeast • Packet: Liquid
Species: Saccharomyces cerevisiae
This strain was originally sourced from a now defunct brewery on the banks of the River Thames outside of Oxford, England. Thames Valley II produces crisp, dry beers with a rich malt profile and moderate stone fruit esters. This attenuative strain is also highly flocculent resulting in bright beers not requiring filtration. A thorough diacetyl rest is recommended after fermentation is complete.
Brewing Properties of Thames Valley Ale II
The functional properties of brewing yeasts have a direct impact on the performance, quality and economics of the resulting beer.
The alcohol tolerance determines the ABV at which yeast cells go dormant and stop fermenting.
Attenuation refers to the percentage of sugars converted to alcohol and carbon dioxide, as measured by specific gravity.
Flocculation refers to the tendency of yeast to form clumps called "flocs" that drop in order to make the beer clear.
The optimal temperature is the range in which the yeast performs best without putting off any off-flavors. Pitching the yeast into wort usually happens at the low end of the temperature range.
Common Beer Styles using Thames Valley Ale II
These are the most popular beer styles that make use of the Thames Valley Ale II yeast:
Bitters, Brown Ale, Altbier, Porter
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