HOMEBREW Digest #4914 Mon 19 December 2005

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  apology for what ? ("steve.alexander")
  Topcropping Wyeast Scottish Ale Yeast ("Rich Beecher")
  Teff (leavitdg)
  Flow Meters ("A.J deLange")
  Throw away the sight glass ("MARTIN AMMON")
  Water Filtration Question (Bob Pelletier)
  ozone sterilization (Alon Philosof)
  ??? required for 5 gallons (beer.man)
  Re: Brew Pot as Fermenter ("Mike Racette")
  Apology accepted ("Peed, John")

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---------------------------------------------------------------------- Date: Mon, 19 Dec 2005 02:02:05 -0500 From: "steve.alexander" <-s at adelphia.net> Subject: apology for what ? Bill Velek offers an apology where none was needed ... No Bill, I've taken no offense at all at your comments. You do bring up an interesting point, one which Frederick touches on as well ... that of "useless" knowledge or the "practical" implications of what I am proposing. I'm sure there is useless information, but when it comes to observation I can't imagine how one can determine that a bit of information is "useless". You'll only know the value when the information is available and then is compared and correlated with other observations. Perhaps not until some odd situation occurs which justifies the effort to collect data. I am not trying to design a practical solution to some hidden problem - I'm sincerely trying to collect more & better information for the sake of having more 'toys' to play with when it comes to thinking about fermentation. >[...] I was hoping that he would respond with something >that _I_ could use on the _practical_ end for something other >than perhaps just satisfying idle curiosity or his own >somewhat unique interests. Let's say "active curiosity" and I hope there is nothing too unique about it. Here we are with some 10% of our body mass invested in the cranium, and roughly 20% of your energetic requirement spent on the brain (whether you use it or not !). You're paying for it anyway, so you may as well use this expensive resource by feeding it better information then see what results. It's actually rather unlikely that observing fermentation parameters will result in any greatly improved flavor in the glass - making good beer has been possible for several centuries at least, and the 'art' is largely perfected. Still one may be able to avoid problems or make incremental improvements, compare methods or just debunk mumbo-jumbo methods. Yeast handling is one of the more variable parts of Hbrewing and it is rather difficult to compare the results of different handling methods fairly. Very similar methods result in somewhat variable results. Different yeasts seem to require almost radical differences in handling to get good results. I would think that any better data on the progress of fermentation *might* yield some useful insights. Right now we (HBers) have almost none - <OG, bubbles, FG> is almost flying blind. Peter F.Drucker states, "If you can't measure it - you can't manage it", and this applies as well to fermentations as corporations. -S Return to table of contents
Date: Mon, 19 Dec 2005 05:29:13 -0500 From: "Rich Beecher" <rbeecher at hotmail.com> Subject: Topcropping Wyeast Scottish Ale Yeast 19 December If there is any advise out there on successfully topcropping (collecting) Wyeast Scottish Ale Yeast from an open ferminter, it would be appreciated. I'm starting up with partigyle mashing, and would like to use the "second runnings" from a batch to build up the yeast for the "big beer" from a subsequent batch. Thank you much. Rich Beecher Chattanooga, TN http://achattanoogawhig.com/theconfederateceltbrewery/ http://achattanoogawhig.com/theconfederatesmugglersbrewery/ http://www.AChattanoogaWhig.com/ Return to table of contents
Date: Mon, 19 Dec 2005 07:35:25 -0500 From: leavitdg at plattsburgh.edu Subject: Teff Sean; No particular plan yet on a brew, but I was just wondering if there is anything about Teff that may make it not so appealing as a fermentable, for ex, high oil content, or something of that sort. If I can find some, I will just probably add it along with 6-8 lbs of pale malt to make British Pale ale, or something of that ilk. Happy Brewing, and Happy Holidays! Darrell Return to table of contents
Date: Mon, 19 Dec 2005 13:02:09 +0000 From: "A.J deLange" <ajdel at cox.net> Subject: Flow Meters Mike Sharp is thinking along the same sort of lines as I am, apparently. WRT water vapor: knowing the temperature of the fermenting beer should be sufficient as one can assume the vapor pressure of H2O in the headspace would be the tabulated vapor pressure of water at that temperature (the mole fraction of water in fermenting beer must be well over 90%). Return to table of contents
Date: Mon, 19 Dec 2005 07:25:31 -0600 From: "MARTIN AMMON" <SURFSUPKS at KC.RR.COM> Subject: Throw away the sight glass THINK TANK: I have used sight glass both on my water tank and boil pot for years with a scale behind it that shows the amount in the tank. And over the years I have broke several when cleaning the tanks or just bad luck running into them. I use high temp glass tube used on boilers and have used ploycarbon tubes. I was thinking (and that's when I get into trouble), if there was a way of measuring the pressure in a stainless steel tube (sealed on one end) the air pressure would vary as the water or wort level rise's or falls. Taking this measurement and converting it into volume of liquid in the tank. That's about as far as I can go with it. Just a plain Old Country boy any thoughts out there. Kansas Swagman Its never too Early only LATE Return to table of contents
Date: Mon, 19 Dec 2005 10:47:35 -0500 From: Bob Pelletier <rp at ihrsa.org> Subject: Water Filtration Question So, I had a pretty decent birthday that left me with a a couple hundred dollars that neither the IRS not the Wife could withhold anything from, so I decided to make some upgrades to the collection of brewing equipment. One of my purchases was a activated carbon filter. I figured that this would be a good buy because our water smells like a pool. I just wanted to confirm that running the water through the filter is only going to take sediment and chlorine type odor/flavor out of the water and not any of the beneficial minerals out. Am I correct? Another related question. If I want and analysis of out municipal water, the DPW has to send it free of charge don't they? Thanks, No More Clorox Bob Return to table of contents
Date: Mon, 19 Dec 2005 19:03:01 +0200 From: Alon Philosof <rahel-f at bezeqint.net> Subject: ozone sterilization hello all, does anybody have experience with using ozone for sterilizing stainless steel equipment, silicone hoses and bottles? any thoughts, suggestions? I have an access for an ozoniser and seriously thinking of using in my brewery. cheers, Alon Philosof Return to table of contents
Date: Mon, 19 Dec 2005 13:45:41 -0500 From: <beer.man at cox.net> Subject: ??? required for 5 gallons I've seen it listed in many texts to add item X "per 5 gallons of water" in your recipe. My question is, is that 5 gallons of finished or 5 gallons total? For a 10 gallon batch of beer, I use about... 17 or so gallons of water. Do I need to just add chemicals and salts for 10 gallons (final volume) or for the whole 17? This has been bothering me off and on for a while. Any advice would be appreciated. Byron Towles Crescent City Homebrewers (Still alive and kicking down in New Orleans) Return to table of contents
Date: Mon, 19 Dec 2005 12:40:01 -0700 From: "Mike Racette" <mike.racette at hydro-gardens.com> Subject: Re: Brew Pot as Fermenter I have to ask the same question here that I did on another forum when this topic came up. I thought it was at least somewhat established that it was a "bad" thing to ferment on the trub (I realize that some trub is desirable) because of possible off flavors and clearing problems. Obviously, those who use this method aren't experiencing these things so is this old practice unnecessary and if so, then why do most breweries whirlpool before fermenting? Return to table of contents
Date: Mon, 19 Dec 2005 14:29:39 -0800 From: "Peed, John" <jpeed at elotouch.com> Subject: Apology accepted Doug, I thought Bill apologized very thoroughly. And I think the problem that some people have with the more esoteric posts is that they come off as pedantic. The HBD Discussion forum would seem to be a much better place for esoteric discussions because you can have ongoing discussions about a specific thread and in that context you can discuss a particular bit of esoterica with people who actually choose to participate in that particular thread. In other words, people who actually find it interesting. John Peed Oak Ridge, TN Return to table of contents
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