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-   -   90 Minute IPA Fermenation Problem? (http://www.homebrewtalk.com/f163/90-minute-ipa-fermenation-problem-208952/)

petetheo 11-30-2010 12:40 PM

90 Minute IPA Fermenation Problem?
 
I brewed a Dogfish Head 90 Minute IPA clone on Thursday. I pitched the WLP005 at about 71 Degrees. The fermenter was going crazy about a day later. I couldn't believe how much it was bubbling. The temperature started climbing to almost 76 so I decided to strap an ice pack to the outside of the bucket. I slowly cooled the beer back down to 71 over the course of an entire day.

After that, fermentation seemed to be done. It has only been about 3-4 days of fermentation. Normally, the lid on the bucket is swelled up and if you push on it, some gas will come out of the airlock. That's not the case with this batch any more. I'm worried that the ice pack may have been a bad idea.

I've read on the White Labs site that the WLP005 was done fermenting after three days for some people but I've also read that fermentation on high gravity beers takes a while. I spun the bucket a little to see if I can get anything going but if it still seems dead when I get home from work then I'll just take a reading and see what I've got.

Any suggestions?

lostboysbrew 11-30-2010 01:16 PM

Just get a reading when you get home. If you got some really good yeast in there, it would be done that quickly. You are going to want it to sit a few more days for a diactyl rest, but I am sure you are close to your FG. WLP005 rocks, that stuff takes care of business. If you are at your final grav when you get home today, let it sit another 24 hrs to make sure its done and the crash it out......Sounds like you got a delicious IPA on your hands........

ArcaneXor 11-30-2010 01:24 PM

I suggest taking a gravity reading to be sure. My guess is that you're within a few points of your final. If not, and it stays high for several days, let us know, and we'll open the bag of tricks on how to kickstart a stuck ferment.

petetheo 11-30-2010 02:23 PM

I appreciate the input. Like I said, I swirled the bucket this morning before work. I called my wife to check on it and she says that she pushed on the lid and the airlock bubbled. So, that's better than it was this morning. I've read that you shouldn't disturb the stuff while it's fermenting but I felt like I was at a loss and it was my only option. I'll let it sit for a little while longer and then take a reading and see where I'm at.

Quote:

Originally Posted by ArcaneXor (Post 2440591)
I suggest taking a gravity reading to be sure. My guess is that you're within a few points of your final. If not, and it stays high for several days, let us know, and we'll open the bag of tricks on how to kickstart a stuck ferment.

In a way, I'm kind of hoping that it is a stuck fermentation because I'm curious to know what is in your bag of tricks. =)

cookietruck 11-30-2010 09:51 PM

airlock activity will slow down.
the yeast are probably still workin.

you gotta take a reading to know.

if whatever liquid you have in your airlock gets a little low it will quit moving the inner plastic piece and make you think it's not venting co2.

you gotta take a reading to know whats going on...or atleast look at it and see if the krausen has fallen yet...

Shinglejohn 11-30-2010 10:04 PM

Take a reading!!!!! Its the only way to know for sure what is happening.

Whats the recipe you used?

90 min. is my go to beer at my homebase bar, the esteemed Melt, in Cleveland.

I could use a good clone.

petetheo 11-30-2010 11:39 PM

DFH 90 Minute Clone (Extract)
Batch Size: 5.00 gal
Boil Size: 2.5 gal
Estimated OG: 1.089 SG (I got 1.079)
Estimated Color: 9.3 SRM
Estimated IBU: 88.1 IBU
Boil Time: 90 Minutes

Ingredients:
10 lbs Pale LME
1.25 lbs Pilsner LME
1.75 lbs Crystal Malt 40L (Steep)
WLP005 British Ale Yeast pitched at 68-72F

Hops
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 90 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 83 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 75 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 68 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 60 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 53 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 45 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 38 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 30 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 23 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 15 minutes
.22 oz Warrior, .06 oz Nugget, .06 oz Simcoe @ 7 minutes
1.00 oz Amarillo Gold (Dry Hop 7 days in Secondary)
0.50 oz Simcoe (Dry Hop 7 days in Secondary)
0.50 oz Nugget (Dry Hop 7 days in Secondary)


I'm leaving mine in the primary for about three weeks and then in secondary for another three if I can wait that long.

Shinglejohn 12-01-2010 12:29 AM

let me know how this one turns out for you.

MRmac 12-01-2010 08:35 PM

Did you take the reading? :mug:

Frodo 12-01-2010 08:42 PM

Quote:

Originally Posted by lostboysbrew (Post 2440574)
You are going to want it to sit a few more days for a diactyl rest, but I am sure you are close to your FG.

Why do you need a diacetyl rest for this ale? :confused:


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