Chemicals might be overstated, I think most of what Adam is talking about would be extracts like sinamar and brewers caramel and hop extracts . I'm not so convinced it's nastier than what the big guys have done for years. That doesn't mean I'm a fan of the concept. The tannen zaepfle in MichaelJohns avatar is one of the best pils I've tasted and uses hopfenextrakt or hop extract.
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