From HomeBrewTalk Wiki
|Brewing water characteristics of Köln|
|Notes: The soft water of Köln lends Kölsch its distinctive soft, rounded mouthfeel. This effect may be hard to duplicate for most homebrewers using their ordinary water supply.|
The breweries of Köln have banded together to form a legal designation protecting the indigenous Kölsch beer style. This light, unique German ale and its traditional methods of serving and drinking are still an integral part of the city's culture.