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Otaru Slow Brew Organic – How Long Is Slow?
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Otaru Slow Brew

Brewing Style

Otaru Slow Brew Organic is an all-malt beer produced with organically grown malt and hops. 

It is brewed in a particularly “Slow Brew” style, including a 4-hour decoction mashing program and a two-week, bottom fermentation at very low temperatures and a 6-week maturation (Lager) period at temperatures below freezing. 

This cold, long maturation process gives Otaru Slow Brew Organic Beer its wonderfully smooth taste and its outstanding foam.

Otaru Beer Zenibako Brewery - Our Larger Brewery

Brew House at our Zenibako Brewery

Fermentation Room at our larger brewery.

The Copper Kettles at our Original Brewery on the Otaru Canal