tag:blogger.com,1999:blog-5445569787371915337.post457607829049359942..comments2024-03-28T06:20:10.699-07:00Comments on Shut up about Barclay Perkins: Aitken and wells againRon Pattinsonhttp://www.blogger.com/profile/03095189986589865751noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5445569787371915337.post-59568454622041528042011-12-23T04:44:35.763-08:002011-12-23T04:44:35.763-08:00The discussions have a local flavor, mixing busine...The discussions have a local flavor, mixing business data with pride in a business of evident importance to the community.<br /><br />As to red beer: maybe the beer contained too much iron, and changed colour upon something being added to it later, sour beer (an acid) with finings, or something added to check for adulterants. Indeed copperas, often added to help form the head, is a form of iron I believe. So maybe if the brewing water was unusually high in iron, a test for copperas produced a red colour.<br /><br />GaryGary Gillmannoreply@blogger.com