I believe it was Charlie Talley on this podcast: http://hwcdn.libsyn.com/p/3/9/0/390da96899933961/bbr03-29-07.mp3?c_id=1452161&expiration=1517859027&hwt=a5f7704

I believe it was Charlie Talley on this podcast: http://hwcdn.libsyn.com/p/3/9/0/390da96899933961/bbr03-29-07.mp3?c_id=1452161&expiration=1517859027&hwt=a5f7704d3178c89acade9ab7473b9bc4 http://hwcdn.libsyn.com/p/3/9/0/390da96899933961/bbr03-29-07... Essentially, you use the vinegar to adjust the pH of the water to the correct level - 8.0 - to get the right effect from the bleach (chlorine). Again, I have to stress what I said in my first post, that this _can be deadly for you_ if you don't use it correctly. http://podbay.fm/show/75092679/e/1175200200 http://podbay.fm/show/75092679/e/1175200200 might be a better link, I'm not sure. Interview starts around 9:30. Charlie is the inventor of Star San, a sanitizing solution used in breweries and by homebrewers. Which should make you skeptical, but don't be. He's essentially an expert who made a fantastic product, and only wants to help. In the podcast he outlines how to use normal household products as replacements for his products. I haven't listened to it since 2012 or so, so if I am mistaken about the source, please let me know and I'll find the correct source of the information in my original post.