Changes

Tim Lozen from Bells Brewing Co reported in a presentation for the Master Brewers Conference that using a [https://www.sigmaaldrich.com/catalog/product/mm/116127?lang=en&region=US Lactic Acid Test] using reflectometric with test strips (RQ) to test the amount of lactic acid was cheaper than other laboratory methods such as chromatography. They reported that the RQ measurement was more relevant to percieved perceived acidity, and proposed that a ratio of RQ to TA resulted in consistant the consistent production of sour beer (presumably kettle sours)<ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/2074383085923228/ Dan Pixley. Milk The Funk Facebook group post that summarizes the MBAA Podcast episode 85. 04/29/2018.]</ref>. See [http://masterbrewerspodcast.com/085-lactic-acid-bacteria-case-study this MBAA podcast episode].