I've just gone to rack & bottle a witbier that has been in primary for about 5 weeks and noticed this white gunk floating on top of the beer. It doesn't look too healthy, what is it? Is it safe? ...
Granted, it officially would not be beer (dunno what it would be called), but as a cereal grain that is maltable and grindable, it seems that it should also be pretty brewable. I'd be interested in ...