Author Topic: Stuck Fermenation?  (Read 904 times)

Offline MotoGP1000

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Stuck Fermenation?
« on: June 08, 2016, 03:36:46 PM »
Hey friends,

So I pitched a 5gal batch of IPA about a week and 4days ago.   Started with an OG of 1.056, check 5days later and it had a gravity of 1.026.    Check again last night (1 week, 4days later) and still had a gravity reading of 1.026.

Would anyone consider this stuck fermentation?     I gave my primary a good back and forth to see if it would activate the yeast a little more but not sure if I should be looking at re-pitching...

thanks,

Offline klickitat jim

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Re: Stuck Fermenation?
« Reply #1 on: June 08, 2016, 03:39:31 PM »
I think we need more info on recipe, process, yeast, fermentation temps.

Offline HoosierBrew

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Re: Stuck Fermenation?
« Reply #2 on: June 08, 2016, 03:39:42 PM »
Post your recipe, yeast amounts/procedure and strain and maybe we can help.
Jon H.

Offline a10t2

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Re: Stuck Fermenation?
« Reply #3 on: June 08, 2016, 03:41:54 PM »
Are you using a hydrometer or refractometer?
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Offline MotoGP1000

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Re: Stuck Fermenation?
« Reply #4 on: June 08, 2016, 03:44:59 PM »
US 2 row
crystal malt -10L
light dried malt extract- Briess Pilsen Light
Light liquid malt extract (at flameout)
Wyeast 1056 American Yeast

Started Saturday mashing at all the proper temps (152degrees)
didn't pitch the yeast until wort was around 68degrees
Had a nice krausen to start and now its settling back in.
stored in basement with temperature around 65-67degrees
Checked Thursday Gravity at 1.026
Waited and checked again the following Weds gravity still at 1.026
Krausen has just about settled back in.
gave it a good swirl today (just grabbing the handle and spinning the bucket back and forth)

hope this helps

Offline MotoGP1000

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Re: Stuck Fermenation?
« Reply #5 on: June 08, 2016, 03:45:28 PM »
using refractometer

Offline klickitat jim

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Re: Stuck Fermenation?
« Reply #6 on: June 08, 2016, 04:11:47 PM »
We need amounts, or percentages of your fermentables. It could tell us a lot

Offline MotoGP1000

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Re: Stuck Fermenation?
« Reply #7 on: June 08, 2016, 04:20:02 PM »
3.5lbs of the US 2row
1.0 lbs of the crystal malt - 10L
1lb 12oz of the light dried malt extract - briess pilsen light
3lbs 4oz  liquid LME
wyeast 1056 American yeast was just a smack pack

then hop additions of course

Offline Stevie

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Re: Stuck Fermenation?
« Reply #8 on: June 08, 2016, 04:26:00 PM »
I'll bet your issue Is you are not correcting your refractometer reading by using a calculator. I plugged your numbers into Sean's page and got about 1.010 fg

Offline Hand of Dom

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Re: Stuck Fermenation?
« Reply #9 on: June 08, 2016, 04:26:43 PM »
What about starting gravity?  If you're using a refractometer for taking gravity measurements once there is alcohol in there, you need to run it through a calculator (or work it out yourself if you can find the equation) to work out the actual gravity.

http://www.brewersfriend.com/refractometer-calculator/

Dom

Currently drinking - Amarillo saison
Currently fermenting - Pale ale 1 - 2017

Offline MotoGP1000

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Re: Stuck Fermenation?
« Reply #10 on: June 08, 2016, 04:30:00 PM »
Starting gravity was 1.056 OG,   last two have been 1.026.  Readings about a week apart with no change

Offline brewinhard

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Re: Stuck Fermenation?
« Reply #11 on: June 08, 2016, 04:34:07 PM »
I'll bet your issue Is you are not correcting your refractometer reading by using a calculator. I plugged your numbers into Sean's page and got about 1.010 fg

This^^^^^if you are using a refractometer to measure....

Or are you at a 1.026 FG with your hydrometer?

Offline klickitat jim

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Re: Stuck Fermenation?
« Reply #12 on: June 08, 2016, 04:35:31 PM »
What did you do with the 2 Row?

What I'm seeing is a bunch of unfermentable sugars.

Offline MotoGP1000

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Re: Stuck Fermenation?
« Reply #13 on: June 08, 2016, 04:37:05 PM »
2Row was part of the Mash.  I thought I put that in there

3.5lbs of 2Row



and yes, using refractometer for both readings.     Its been dialed in using the distilled water method.   So I would need to still correct the readings of a refractometer?

Offline brewinhard

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Re: Stuck Fermenation?
« Reply #14 on: June 08, 2016, 04:37:37 PM »
using refractometer

Gotcha. Missed that.  Check out Stevies reply above for correcting calculations from refractometer readings.  It appears that you are just fine.