Bear with me... (Wyeast 3724 question from first-time user)

Discussion in 'Homebrewing' started by BedetheVenerable, Jul 4, 2012.

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  1. BedetheVenerable

    BedetheVenerable Initiate (0) Sep 5, 2008 Missouri

    Pitched 2 packets (from May, I believe, had been swelled at room temp for like 4 days before I remembered 'em, then put into a 1 L starter for brewday) of 3724 into a 1.056 wort with 12oz table sugar, and the rest DME, and some pils malt (mini mash). Pitched at 7 pm last night, by 11 pm had an occasional blip from the blowoff tube. Woke up this morning to the blowoff tube covered in scum and a healthy, vigorous fermentation with a bubble from the blowoff about every second or so. Left the beer at around 80 or a little hotter all day and came back...fermentation is much more subdued now (looking into the Better Bottle) and the bubbles are only ever 5-6 seconds or so. I know that airlock/blowoff activity isn't really representative of what's going on, but since this is my first time with this yeast, I'm nervous. A few questions:

    1.) We left the (east-facing) blinds open this morning to get the room up from the low seventies to around 80 or 82. Could the cooling of said room (i.e. the sun moving around to the back of the house) have caused enough of a temp swing to sort of stall this yeast?

    2.) Is it more likely that, with the amount of yeast I pitched and a relatively low-gravity wort, that she's just done her thing much quicker than I expected her to, and is now just entering that famous 3724 lag phase? I figured I'll take a grav. reading tomorrow and see where I'm at, but I didn't expect it to shut down this early (my other recent beers went through 1.5-2 days of crazy vigorous fermentation, not closer to 15 hours).

    Help a brewer out?
     
  2. ixodus

    ixodus Pundit (775) Jul 18, 2010 New Jersey

    I doubt your beer has finished fermenting. This particular yeast is well known to ferment vigourously and then stall even as fast as your experiencing. Take a few grav readings and if you find it stalled give it a week or two and it should pick back up, at least that's what has happened in my experience with this yeast. Oh and RDWHAHB.
     
  3. Homebrew42

    Homebrew42 Initiate (0) Dec 20, 2006 New York

    Don't panic, be patient, use your hydrometer. At this point you're operating in the dark, and it's too early to worry anyway.
     
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