Author Topic: Strange yeast behavior  (Read 1061 times)

Offline quattlebaum

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Strange yeast behavior
« on: October 24, 2014, 12:02:16 AM »
So never really had yeast hang around like this. It just want floc. Mashed at 145 x 45 min rise to 155 for 20 min then mash out. It's an IPA with London ale 1028 yeast. Simple grain bill 88% 2 row, 6% munich10L, 3%dextrine and 3% caramalt. It's been 5 days. Mash PH 5.5. Ca 104ppm, sulfate 180, CL 44. Any thoughts



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Offline troybinso

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Re: Strange yeast behavior
« Reply #1 on: October 24, 2014, 12:12:47 AM »
Since you are only at 5 days, I suppose you could afford to wait a few more days.

What temperature is it?

Offline Wort-H.O.G.

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Strange yeast behavior
« Reply #2 on: October 24, 2014, 12:12:59 AM »
So never really had yeast hang around like this. It just want floc. Mashed at 145 x 45 min rise to 155 for 20 min then mash out. It's an IPA with London ale 1028 yeast. Simple grain bill 88% 2 row, 6% munich10L, 3%dextrine and 3% caramalt. It's been 5 days. Mash PH 5.5. Ca 104ppm, sulfate 180, CL 44. Any thoughts



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PH can be a problem with poor flocculation. Also over aeration can cause the issue. Have you taken gravity reading? 5 days isn't that long and if your temperature is still optimal the yeast can be hanging out still eating.  Sometimes co2 layers just keep the yeast in suspension.

Edit: also this is a med to low floc yeast. I've not used it but other yeast like this take way more than 5 days. I really think this baby is still working. Can't see the top of your carboy but is it plugged or is there co2 escaping? Looks wicked thick.
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« Last Edit: October 24, 2014, 12:19:50 AM by wort-h.o.g. »
Ken- Chagrin Falls, OH
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Offline quattlebaum

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Re: Strange yeast behavior
« Reply #3 on: October 24, 2014, 12:32:49 AM »
Temp is at 68 and yes it is wicked thick which is just really strange. I am familiar with this yeast. The only thing that is diff is I mashed 145 and stepped to 155. I am hopping for 1.012 FG its at 1.017 even with krausen fallen it is "bubbling " a bit once every 6 sec. It was a sick blow off even ferm at 66.


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Offline Wort-H.O.G.

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Re: Strange yeast behavior
« Reply #4 on: October 24, 2014, 12:35:55 AM »
Temp is at 68 and yes it is wicked thick which is just really strange. I am familiar with this yeast. The only thing that is diff is I mashed 145 and stepped to 155. I am hopping for 1.012 FG its at 1.017 even with krausen fallen it is "bubbling " a bit once every 6 sec. It was a sick blow off even ferm at 66.

what was your mash schedule prior batch?
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Ken- Chagrin Falls, OH
CPT, U.S.Army
https://www.facebook.com/pages/Harveys-Brewhaus/405092862905115

http://braukaiser.com/wiki/index.php?title=The_Science_of_Mashing

Serving:        In Process:
Vienna IPA          O'Fest
Dort
Mead                 
Cider                         
Ger'merican Blonde
Amber Ale
Next:
Ger Pils
O'Fest

Offline quattlebaum

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Re: Strange yeast behavior
« Reply #5 on: October 24, 2014, 01:01:56 AM »
148F. Then mash out. Finished at 1.014. This is a Union Jack ipa attempt. I am gonna double dry hop but would really like for the yeast to drop a bit before I proceed. Wonder if when I add dry hops if the ever so slight O2 will kickstart it a bit?  I doubt it but just popped into my head. I just don't want to "mute" the dry hops with all that yeast in suspension


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Offline Wort-H.O.G.

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Strange yeast behavior
« Reply #6 on: October 24, 2014, 01:12:14 AM »
Well you're getting close to your FG target. Dropping  the temp once there should move the yeast along to drop if all is well. Seems like this yeast typically works fast and then starts dropping from what I've read- has that been your experience?


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Ken- Chagrin Falls, OH
CPT, U.S.Army
https://www.facebook.com/pages/Harveys-Brewhaus/405092862905115

http://braukaiser.com/wiki/index.php?title=The_Science_of_Mashing

Serving:        In Process:
Vienna IPA          O'Fest
Dort
Mead                 
Cider                         
Ger'merican Blonde
Amber Ale
Next:
Ger Pils
O'Fest

Offline quattlebaum

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Re: Strange yeast behavior
« Reply #7 on: October 24, 2014, 01:18:43 AM »
Ya that has been my experience. I give it a whirl and the airlock goes ape shat if ya know what I mean. Just really strange. I'll give it a few days to see if the gravity drops and report back. Interesting  for sure. Also my first sample for the hydromitor tube only somewhat cleared while in the fridge over night.


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Offline Joe Sr.

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Re: Strange yeast behavior
« Reply #8 on: October 24, 2014, 02:10:52 PM »
5 days is no time at all, in my experience.  I'd give it more time to drop.

If you're in a hurry and clarity is important I'd chill it then hit it with gelatin.

But, since you're dry hopping I'd just wait a week or so and toss the hops in.

I've had batches that just won't clear, even with significant time in the fermenter.  Sometimes you just need to use gelatin.
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Offline Slowbrew

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Re: Strange yeast behavior
« Reply #9 on: October 24, 2014, 04:27:41 PM »
Looks fairly normal for 1028 to me.  Give it another week.  It can take a couple of weeks to really start clearing.

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