{"id":7006,"date":"2017-02-09T12:24:43","date_gmt":"2017-02-09T17:24:43","guid":{"rendered":"http:\/\/beersmith.com\/blog\/?p=7006"},"modified":"2017-02-09T12:24:43","modified_gmt":"2017-02-09T17:24:43","slug":"clarity-and-haze-in-beer-with-dr-charlie-bamforth-beersmith-podcast-142","status":"publish","type":"post","link":"https:\/\/beersmith.com\/blog\/2017\/02\/09\/clarity-and-haze-in-beer-with-dr-charlie-bamforth-beersmith-podcast-142\/","title":{"rendered":"Clarity and Haze in Beer with Dr Charlie Bamforth &#8211; BeerSmith Podcast #142"},"content":{"rendered":"<div style=\"float: right; margin-left: 10px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-via=\"beersmith\" data-count=\"vertical\" data-url=\"https:\/\/beersmith.com\/blog\/2017\/02\/09\/clarity-and-haze-in-beer-with-dr-charlie-bamforth-beersmith-podcast-142\/\">Tweet<\/a><\/div>\n<p><a href=\"https:\/\/beersmith.com\/blog\/wp-content\/uploads\/2014\/03\/BSRadio.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-4549 size-medium\" src=\"https:\/\/beersmith.com\/blog\/wp-content\/uploads\/2014\/03\/BSRadio-300x200.jpg\" width=\"300\" height=\"200\" srcset=\"https:\/\/beersmith.com\/blog\/wp-content\/uploads\/2014\/03\/BSRadio-300x200.jpg 300w, https:\/\/beersmith.com\/blog\/wp-content\/uploads\/2014\/03\/BSRadio.jpg 448w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Dr Charlie Bamforth joins me this week to discuss clarity and haze in beer as well as steps you can take to improve clarity through finings, conditioning and brewing techniques.<\/p>\n<p style=\"text-align: center;\"><strong>Subscribe on iTunes to <a href=\"https:\/\/itunes.apple.com\/us\/podcast\/beersmith-home-beer-brewing\/id398500515?mt=2\">Audio version <\/a>or <a href=\"https:\/\/itunes.apple.com\/us\/podcast\/beersmith-home-beer-brewing\/id824963861\">Video version<\/a> or on <a href=\"https:\/\/goo.gl\/app\/playmusic?ibi=com.google.PlayMusic&amp;isi=691797987&amp;ius=googleplaymusic&amp;link=https:\/\/play.google.com\/music\/m\/Iphebe3merhgcijzboixy7t27ky?t%3DBeerSmith_Home_and_Beer_Brewing_Podcast\">Google Play<\/a><\/strong><\/p>\n<p><a href=\"http:\/\/traffic.libsyn.com\/beersmith\/BSHB-142-Clarity.mp3\">Download the MP3 File<\/a> &#8211; Right Click and <strong>Save As<\/strong> to download this mp3 file<\/p>\n<p>[audio:http:\/\/traffic.libsyn.com\/beersmith\/BSHB-142-Clarity.mp3]<br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/DpSudGRTkeU\" width=\"853\" height=\"480\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h3>Topics in This Week&#8217;s Episode (55:42)<\/h3>\n<ul>\n<li>Today my guest is <a href=\"http:\/\/faculty.bftv.ucdavis.edu\/fst\/Bamforth\/\">Dr Charlie Bamforth from the University of California at Davis.<\/a> He is Professor of Malting and Brewing Science where he specializes in the study of wholsomeness of beer including beer perception, polyphenols, foam stability, oxidation and flavor stability. This is Charlie&#8217;s 8th appearance on the show.<\/li>\n<li>Dr Bamforth tells us some of the new projects he&#8217;s been working on along with his new books. He also mentions the <a href=\"https:\/\/extension.ucdavis.edu\/areas-study\/brewing\">short courses in brewing<\/a> now offered by the University.<\/li>\n<li>We talk about the definition of clarity and why it matters for beer brewing.<\/li>\n<li>Charlie explains how to measure clarity and haze including direct measurement and observation.<\/li>\n<li>We discuss some of the many potential causes of haze in beer.<\/li>\n<li>He tells us about chill haze, and how chill haze often develops into a permanent haze.<\/li>\n<li>We start on to of the main culprits that cloud beer &#8211; polyphenols and proteins.<\/li>\n<li>Charlie discusses the selection of malts, malt protein and how to minimize it.<\/li>\n<li>We discuss polyphenols which come from both hops and grains.<\/li>\n<li>Charlie shares some techniques for reducing haze starting with a good strong boil.<\/li>\n<li>We discuss cold crashing a beer and how important that is for improving clarity.<\/li>\n<li>Charlie explains some finings commonly used as well as how they work.<\/li>\n<li>He shares his closing thoughts<\/li>\n<\/ul>\n<h3>Sponsors<\/h3>\n<ul>\n<li>Thank you to our sponsor <a href=\"http:\/\/beerandbrewing.com\">Craft Beer and Brewing Magazine<\/a> for sponsoring this episode. I encourage you to subscribe to their great magazine!<\/li>\n<li>And also <a href=\"http:\/\/anvilbrewing.com\">Anvil Brewing Equipment<\/a>. Anvil is a new line of kettles, burners and accessories from John Blichmann at Blichmann Engineering. They make top quality brewing equipment built to last a lifetime.<\/li>\n<li>Also check out <a href=\"http:\/\/beersmith.com\">BeerSmith<\/a>, <a href=\"http:\/\/beersmith.com\/mobile\">BeerSmith Mobile software<\/a> and the <a href=\"http:\/\/beersmith.com\/dvd\">new DVDs John Palmer and I filmed<\/a> &#8211; How to Brew with Malt Extract and How to Brew All Grain are available now. You can <a href=\"https:\/\/beersmith.com\/blog\/subscribe\/\">subscribe to the BeerSmith newsletter<\/a> for free to get some great articles on home brewing.<\/li>\n<\/ul>\n<p>Thanks to Dr Charlie Bamforth for appearing on the show and also to you for listening!<\/p>\n<p><strong>iTunes Announcements<\/strong>: I launched a new <a href=\"https:\/\/itunes.apple.com\/us\/podcast\/beersmith-home-beer-brewing\/id824963861\">video channel for the BeerSmith podcast on iTunes<\/a>, so subscribe now! At the moment it will only feature the new widescreen episodes (#75 and up). Older episodes are available on my revamped <a href=\"http:\/\/youtube.com\/mrbeersmith\">Youtube channel<\/a>. Also all of my <a href=\"http:\/\/itunes.apple.com\/podcast\/beersmith-home-brewing-blog\/id398500515\">audio episodes are on iTunes<\/a> now &#8211; so grab the older episodes if you missed any.<\/p>\n<h3>Thoughts on the Podcast?<\/h3>\n<p>Leave me a comment below or visit our <a href=\"http:\/\/beersmith.com\/forum\">discussion forum<\/a> to leave a comment in the podcast section there.<\/p>\n<h3>Subscribe to the Podcast on iTunes or BeerSmith Radio<\/h3>\n<p>You can listen to all of my podcast episodes streaming live around the clock on our <a href=\"http:\/\/BeerSmith.com\/Radio\">BeerSmith Radio<\/a> online radio station! You can also subscribe to the audio or video using the iTunes links below, or the feed address<\/p>\n<ul>\n<li><strong>Audio feed on iTunes &#8211; <\/strong><a href=\"http:\/\/itunes.apple.com\/podcast\/beersmith-home-brewing-blog\/id398500515\"><img loading=\"lazy\" decoding=\"async\" title=\"Subscribe on iTunes\" src=\"http:\/\/ax.phobos.apple.com.edgesuite.net\/images\/web\/linkmaker\/badge_itunes-lrg.gif\" alt=\"Subscribe on iTunes\" width=\"82\" height=\"30\" \/><\/a> (direct: <a href=\"http:\/\/beersmith.com\/content\/feed\/podcast\"><strong>http:\/\/beersmith.com\/content\/feed\/podcast<\/strong><\/a>)<\/li>\n<li><strong>Video feed on iTunes &#8211; <a href=\"https:\/\/itunes.apple.com\/us\/podcast\/beersmith-home-beer-brewing\/id824963861\"><img loading=\"lazy\" decoding=\"async\" title=\"Subscribe on iTunes\" src=\"http:\/\/ax.phobos.apple.com.edgesuite.net\/images\/web\/linkmaker\/badge_itunes-lrg.gif\" alt=\"Subscribe on iTunes\" width=\"82\" height=\"30\" \/><\/a><\/strong> (direct: <strong><a href=\"http:\/\/beersmith.com\/tv\/category\/podcast\/feed\/\">http:\/\/beersmith.com\/tv\/category\/podcast\/feed\/<\/a><\/strong> )<\/li>\n<li><strong>Audio podcast <a href=\"https:\/\/goo.gl\/app\/playmusic?ibi=com.google.PlayMusic&amp;isi=691797987&amp;ius=googleplaymusic&amp;link=https:\/\/play.google.com\/music\/m\/Iphebe3merhgcijzboixy7t27ky?t%3DBeerSmith_Home_and_Beer_Brewing_Podcast\">on Google Play here<\/a><\/strong><\/li>\n<\/ul>\n<p>And finally, don&#8217;t forget to subscribe to the blog and <a href=\"https:\/\/beersmith.com\/blog\/subscribe\">my newsletter<\/a> (or use the links in the sidebar) \u2013 to get free weekly articles on home brewing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tweet Dr Charlie Bamforth joins me this week to discuss clarity and haze in beer as well as steps you 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