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A09 Pub - Imperial Organic Yeast
IYA09
Ice Pack
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Description

A09 Pub is a highly sought after strain that home brewers swear by due to is ability to achieve brilliantly bright ales in a short amount of time. Because Pub is extremely flocculent it will tear through fermentation and drop out of your beer quickly. This strain will produce higher levels of esters than most ale strains. A sufficient diacetyl rest is highly recommended when using A09 Pub.

  • Temp:64-70°F,18-21°C
  • Flocculation: Very High
  • Attenuation: 69-74%
  • Cell Count: 200 Billion

White Labs Equivalent: English Ale – WLP002
Wyeast Equivalent: London ESB Ale™ – WY1968

Usage Instructions:
  • ​Store refrigerated until ready to pitch
  • Shake and kneed pouch to homogenize slurry
  • Sanitize the sealed pouch
  • Open and pitch entire contents into well-aerated wort

Please Note: For best results we Always recommend ordering an Ice Pack with your liquid yeast. Ice Packs can be found below in the "You might Also Need" section.

 

 

Item # IYA09
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.37LBS
Community Q&A

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Browse 1 question Browse 1 question and 4 answers
Why did you choose this?
MoreFlavor Store
helps make beer
Chris H on Jun 8, 2018
Because I want to try this brand out
Scott C on Mar 9, 2018
helps make beer
Chris H on Jun 8, 2018
Getting ready to brew some English Ales and this looked good.
Jeff S on Apr 11, 2018
Because I want to try this brand out
Scott C on Mar 9, 2018
Wyeast 1768 is my favorite strain. Been wanting to check this one out
Sam G. F on Mar 7, 2018
Getting ready to brew some English Ales and this looked good.
Jeff S on Apr 11, 2018
Wyeast 1768 is my favorite strain. Been wanting to check this one out
Sam G. F on Mar 7, 2018
Reviews

3.8 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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Love It
Use in Low Gravity English ales works great. Fast ferment and easy to harvest.
June 27, 2018
Purchased
4 months ago
A Real Workhorse
I have used this yeast at least three times. It is very aggressive, takes off like a race horse, and finishes very quickly. For every beer with this strain, I have done a diacetyl rest, raising the temperature 3-4?_F to take care of the very junior-young-green flavors. This always did the trick.

I would also agree with the other reviewer about the can. The yeast does stick in the can. The best bet is to warm the can up a bit (I know, I think it says pitch cold), give it a good shake, and the pour. Those of you who have had experience with the older White Labs tubes will know how yeast can get a little caked if it is sitting long. I think this yeast is similar, particularly if it has been sitting idle for a few months.
October 18, 2016
Disappointing
For a first attempt at using an Imperial yeast, I decided to pair the Pub with a Honey Blonde Ale I was creating. The entire brew and fermentation stages worked out without any problems but the resulting ale has off flavors and a disappointing taste. I won't completely write off Imperial but it'll be awhile before I try another experiment with their yeast.
May 15, 2016
Worked as described
I have a Wee Heavy, finishing in secondary, that I used this yeast for. Probably not a good style choice for this beer but so be it. The OG of 1.098 came out of primary at 1.025 after 6 days so not a bad performance so far. It flocs very well and racked almost perfectly clear.
Only bad mark I can say was when I opened it, cold and well shaken, the yeast was caked and stuck on the cans bottom and had to be scooped out with my finger. Worried me a bit but my hands had been wet with Star San and no evidence of buggies so far.
I am doing an ESB with it next, and will update you as to the Wee Heavy's progress and the ESB.
November 1, 2015
Response from MoreFlavor
The wee heavy has drawn raves from friends and the British ale I brewed next is one my better ales thus far.
I highly recommend this strain and will be ordering more for sure!
BTW....the 2nd can behaved well, and fermented a 10.5 gallon batch in my Speidel with just the one can!
December 14, 2017
Scott H.
Response from MoreFlavor
The wee heavy has drawn raves from friends and the British ale I brewed next is one my better ales thus far.
I highly recommend this strain and will be ordering more for sure!
BTW....the 2nd can behaved well, and fermented a 10.5 gallon batch in my Speidel with just the one can!
December 22, 2017
Scott H.