Fermenting lager yeast under pressure is purported to lower ester levels when fermenting at ale temperatures, creating a cleaner tasting beer. To test this out, Martin split a German Helles Exportbier between two fermenters and fermented one at 12 psi while the other stayed at ambient pressure. In addition to serving these beers to a panel of blind tasters, they were also sent into White Labs for objective testing. Are they distinguishable at a qualitative and quantitative level? Let's find out!

RECIPE: https://share.brewfather.app/RkczET2b...

INGREDIENTS
Epiphany Craft Malt: https://www.epiphanymalt.com
Yakima Valley Hops: http://yakimavalleyhops.com/
Imperial Yeast: http://imperialyeast.com/

WHITE LABS:
Mythical Hammer Lager Yeast: https://www.whitelabs.com/yeast-singl...
White Labs Fermentation Society: https://www.whitelabs.com/customer-club

EQUIPMENT USED
Clawhammer Supply 240v eBIAB System: https://www.clawhammersupply.com/prod...
Spike Brewing FLEX+: https://spikebrewing.com/products/fle...


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