HOMEBREW Digest #5172 Sun 15 April 2007

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  "BeerFest" ("peter ensminger")
  Re: A&E "American Brew" TV special ("Dan Jeska")
  root beer aroma ! (-s)
  food grade epoxy recommendations for DIY mash-tun ("Tim McMahon")

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---------------------------------------------------------------------- Date: Sat, 14 Apr 2007 14:48:57 -0400 From: "peter ensminger" <ensmingr at gmail.com> Subject: "BeerFest" Greetings! SWMBO is out of town ... so I picked up a DVD of "BeerFest". See: http://en.wikipedia.org/wiki/Beerfest So, What's your favorite beer movie? I have always liked "The Lost Weekend" with Ray Milland (see: http://en.wikipedia.org/wiki/The_Lost_Weekend ), although it is not especially about beer. Cheers! Peter A. Ensminger Syracuse, NY Apparent Rennerian: [394, 79.9] Return to table of contents
Date: Sun, 15 Apr 2007 09:57:59 -0400 From: "Dan Jeska" <dan.jeska at gmail.com> Subject: Re: A&E "American Brew" TV special Scott missed the airing of the A&E broadcast of "American Brew" last week. Me too, Scott. I checked the website www.herestobeer.com, the DVD is available for under six bucks! I am going to place an order today. Dan near Kalamazoo Return to table of contents
Date: Sun, 15 Apr 2007 15:11:46 -0400 From: -s <-s at adelphia.net> Subject: root beer aroma ! Aaron mentions root beer aroma in a used keg he purchased. x x x x x x x x Many years ago I too bought a used keg that had been reasonably cleaned but still had a strong residual root beer aroma. I tried several things at the time including repeated soaks in caustics, but the aroma was always present - and yes it will taint beer. My hunch is that the root-beer flavor component isn't very polar - so far more soluble in ethanol than water. The only solution was to replace *all* the rubber components. Also the metal components required a good caustic cleaning at the RB flavor seems to stick to everything. As a related item - I used to get really inexpensive used food grade plastic buckets that were leftovers from the artificial food flavoring business. I quickly determined that flavors like vanilla, custard-creme and even citrus fruit flavors can be removed from the plastic with a good caustic soak (oxi-clean or whatever). OTOH raspberry's raspy edge and that persistent and heavy root-beer flavor cannot be removed in this way. If want want to experiment you could soak the offending parts in vodka, but new rubbers might be a cheaper & surer method. I know a lot of HBers also make root-beer. What do they do to avoid flavor contamination ? -S Return to table of contents
Date: Sun, 15 Apr 2007 18:41:49 -0400 (EDT) From: "Tim McMahon" <tpunk at riseup.net> Subject: food grade epoxy recommendations for DIY mash-tun Hi all, I'm building my first mash-tun from a rubbermaid cooler and trying to source the final few materials I need- most notably, a suitable epoxy/adhesive/anything to permanently set the stainless steel nipple I'm putting in the cooler wall. This will also ideally accomplish a watertight seal (but having to use two materials isn't a problem, as long as they aren't super expensive). I'm using 1/2" CPVC for the manifold, connecting it to a stainless steel nipple in the wall of the cooler, which will be connected to a 1/2" stainless steel ball valve, a SS elbow and a CPVC hose barb to my tubing. Initially, I bought plumber's epoxy because it was suggested in some plans I saw for converting a cooler over to a mash-tun (and it supposedly hardens to the strength of steel once it's cured). I started having second thoughts because the plumber's epoxy isn't labelled 'food grade' and now I'm thinking I should use something else. However, the plumber's epoxy I have is labelled ANSI/NSF 61, which "ensures that components used to deliver drinking water are safe, and don't contribute contaminants that might cause adverse human health effects by setting minimum requirements through testing and evaluating products/materials. These contaminants include those regulated by the USEPA and Health Canada." Now, that sounds pretty good to me, but since it doesn't say 'food grade' I'm still a bit nervous. >From the archives and some other message boards, I've seen recommendations for a couple different expoxies/adhesives, such as 1-part adhesive sealant RTV112 (RTV silicones by Momentive, formerly a GE product) and "Plastic Welding System" by a company called VersaChem, part # 47809 (described as: "a two component mix - like an epoxy, especially formulated to join plastics, (including reinforced plastic pump bodies) to metal. It rapidly cures to a hard off-white inert gap-filling stuff that I can't peal off a test spot on the pump. I note that its basic material is (poly)methylmethacrylate - essentially the same stuff as bone cement in surgery, and plexyglas, so it should be chemically inert once cured.") The RTV112 stuff is definately labelled food grade, but I'm not sure about the second stuff. I *AM* connecting plastics to metal, though, so I need to know it will create a seal. Does anyone have any suggestions based on what they have used and what they know works? Anyone used either of these two products? Or has anyone gone with regular plumber's epoxy? I'm considering using the plumber's epoxy to get the nipple set into the cooler and then putting some food grade silicone adhesive/sealant over it to make sure my wort won't be touching anything it shouldn't be. I know silicone sealants are used in aquariums a lot, but not sure if those are considered food grade. Any recommendations would be greatly appreciated, especially if you can suggest specific types or brands of epoxy/adhesive/sealant that are definately labelled for food-grade usage. Thanks! Tim McMahon Philadelphia, PA Return to table of contents
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