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Wyeast | 1084 Irish Ale | Beer Yeast | Activator Smack-Pack System™ | 100 Billion Cells
WY1084

Wyeast | 1084 Irish Ale | Beer Yeast | Activator Smack-Pack System™ | 100 Billion Cells

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Item currently out of stock
Description
  • 1084 is a versatile yeast that ferments extremely well in dark worts. It is a good choice for most high gravity beers
  • Low temps produce a dry, crisp profile with subtle fruitiness. Fruit and complex esters will increase at temps above 64°F
  • Activator Smack-Pack System™ "proofs" the yeast and shortens lag time when it hits your wort
  • When smacked, the Activator™ packet releases sugars and nutrients to initiate the culture's metabolism
  • Wyeast has been a pioneer in craft brewing for over 35 years and is committed to creating the finest fermentation products available
  • Although beneficial, cultures do not need to be activated prior to inoculation

This versatile yeast ferments extremely well in dark worts. It is a good choice for most high gravity beers. Beers fermented in the lower temperature range produce a dry, crisp profile with subtle fruitiness. Fruit and complex esters will increase when fermentation temperatures are above 64°F (18°C).

Attenuation: 71-75%
Flocculation: Medium
Alcohol Tolerance: 12%
Optimum Fermentation Temp: 62-72°F
Cell Count: 100 Billion
 

Styles:

  • American Barleywine
  • Baltic Porter
  • Dry Stout
  • Foreign Extra Stout
  • Imperial IPA
  • Irish Red Ale
  • Oatmeal Stout
  • Other Smoked Beer
  • Robust Porter
  • Scottish Export 80/-
  • Scottish Heavy 70/-
  • Scottish Light 60/-
  • Spice, Herb, or Vegetable Beer
  • Strong Scotch Ale
  • Sweet Stout
  • Wood-Aged Beer

    For best results we always recommend ordering an ice pack with your liquid yeast.

Please Note: When choosing an ice pack option beware that the liquid yeast will not arrive cold even when shipped together. Ice packs and insulated mailing options are designed to keep the yeast colder for longer during shipment, but they will not ensure that your yeast arrives cold. We will not replace liquid yeast that arrives warm. During warmer months we strongly recommend you choose dry yeast.

 

Item # WY1084
Shipping Eligible for Free Shipping Program
Availability Out Of Stock
Weight 0.19 LBS
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Community Q&A
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Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 2 questions Browse 2 questions and 2 answers
Why did you choose this?
MoreFlavor Store
irish ales
Russ Brodeur on Feb 7, 2023
Tasty with steamed milk in a latte.
Paul M on Nov 16, 2022
irish ales
Russ Brodeur on Feb 7, 2023
ROBOT AI RECIPE
colin m on Jan 25, 2023
Tasty with steamed milk in a latte.
Paul M on Nov 16, 2022
dry irish stout
Roy Ventullo on Nov 1, 2022
Goes with recipe
Larry on Oct 14, 2022
I need yeast to make with the bubble bubble.
Lynette M on Sep 29, 2022
Used this before with great results
Darren O on Sep 21, 2022
Works well
Andrew W on Jun 30, 2022
For our imperial Irish red ale it made the flavors come out so much
Bryan K on Jun 8, 2022
Specific cider recipe
Gregory K on May 7, 2022
This seems to have really good ratings for Irish stouts
Matthew J McConnell on Jan 28, 2022
Wyeast packs have long been a favorite of mine.
Adam J on Jan 28, 2022
recipe
Mark F on Jan 22, 2022
old reliable
Luke B on Dec 1, 2021
a stout we make
William W on Oct 15, 2021
I really liked this yeast.
Eric M on Aug 14, 2021
need this to make beer for my AA meeting
Jason M on Jul 28, 2021
for stouts
Brian C on Jul 17, 2021
To start fermentation
Valued C on Jul 12, 2021
For Irish Stout
Mark G on Jul 7, 2021
Making a Guinness clone
Eric M on May 29, 2021
Why... Guinness of course.
Scott E Balovich on Apr 29, 2021
Best yeast option
Michael E B on Apr 21, 2021
For a Dry Irish Stout
CBY on Mar 23, 2021
Recommended for kit
Kenneth B on Feb 20, 2021
it was recommended
William S on Feb 19, 2021
Nwwdwd for next beer batch
Andrew F. P on Feb 3, 2021
from the kit
Jerry C E on Jan 20, 2021
Guinness clone
Scott G on Dec 28, 2020
used before
Patrick H on Nov 5, 2020
I am brewing an Oatmeal stout and thought 1084 would make a good stout.
Donald M on Oct 26, 2020
My previous batch has gotten moldy.
Roy Westerberg on Oct 25, 2020
Recipe
Bill B on Oct 1, 2020
need it
Steve T on Sep 18, 2020
Making Irish Stout
Paul D. P on Sep 14, 2020
I like the Wyeast products
Jeffrey on Aug 22, 2020
Makes a nice Irish Ale
Harlan S Coomes on Jul 28, 2020
worked well
Frank F on Jul 14, 2020
Great Irish Red yeast
Shane A B on Jun 26, 2020
Stout
Edward C on Jun 13, 2020
Trying to clone Old Speckled Hen
Valued C on May 5, 2020
love it
mark g on Apr 7, 2020
Like for Irish red styles
Thomas B on Apr 6, 2020
For my Scottish ale
Steven L on Mar 27, 2020
Stout
Sean D on Feb 20, 2020
No particular reason, new to brewing
Zeb C on Jan 31, 2020
I like using the wyeast and was recommended for kit
MARK R on Jan 27, 2020
For a Dry Irish Stout
Sean H on Jan 15, 2020
i wanted to taste a leprechaun
Valued C on Jan 7, 2020
clean flavors that go well with just about any ale.
Michael B on Jan 4, 2020
ROBOT AI RECIPE
colin m on Jan 25, 2023
dry irish stout
Roy Ventullo on Nov 1, 2022
"This versatile yeast ferments extremely well in dark worts." What does this mean, exactly?
AJ T on May 12, 2019
BEST ANSWER: Hi AJ - The yeast works well in porters, stouts, etc. (dark beers).
What is the shelve life of this yeast?
david allred on Nov 7, 2019
BEST ANSWER: Around 6 months, but check the expiration date on the bag and use before that date. If it's been refrigerated, even a few months longer.
Reviews
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4.8 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
16
0
2
0
0
Rated 3 out of 5
Stopped fermenting
I’m y sure what happened but my wort bubbled a little for about two days and then stopped. I just pitched more yeast (dry yeast). I’m not sure if I did something wrong but this is the first time I’ve had a wort that just will not ferment.
November 18, 2022
Purchased
 11 months ago
Rated 5 out of 5
Tight Yeast
With proper brewing techniques this yeast settles out quick and forms a firm yeast cake that does not disturb easily. Makes Commercial clear bear without any finings.
March 18, 2021
Purchased
 over 2 years ago
Rated 5 out of 5
Great quality yeast
This was my first time using a smack pack, but once I understood how to locate the internal pouch and break it open the rest was a breeze. I much prefer the constancy of this over WL's Pure Pitch which is very thick.
March 2, 2021
Purchased
 over 2 years ago
Rated 5 out of 5
Strong fermentation
Good to go without starter (although others recommend). Had a good week long fermentation that started within the first 12 hours.
February 18, 2020
Purchased
 over 4 years ago
Rated 5 out of 5
Seems fine
I made a starter with it which seemed to ferment and grow normally. I haven't yet tasted the first batch (an Irish Red Ale) that I'm fermenting with it, but it is about ready to bottle. I've used it in the past and think it is fine for stouts and some other styles.

A minor disappointment is that I liked the old graphic on the Wyeast packs, which showed a lovely colorful view of Mt. Hood, a lot better than the new one.
December 28, 2019
Purchased
 over 3 years ago
Rated 5 out of 5
good stuff
started fast and went for 3 days bubbling
April 9, 2019
Purchased
 over 4 years ago
Rated 5 out of 5
Great fermentation!
Worked well. 5 days at 63 deg. and then finish 3 days at 68 deg. .....done!
March 25, 2019
Purchased
 over 4 years ago
Rated 5 out of 5
Great In Irish Reds
I love using this yeast in my Irish Red recipe. Gives an authentic flavor and lets the toasty and caramel notes come through.
February 1, 2018
Purchased
 over 5 years ago
Rated 5 out of 5
Favorite Yeast For Stouts
I've brewed a few different stout recipes using this yeast and have been very happy with all of them. This yeast really gives a nice balance to a stout and just enough yeast character to let you know it's there. It doesn't over attenuate your stout which really adds to the nice full mouth feel that I enjoy, but still has a crisp finish. If you like rich full bodied stouts, this is a yeast you should try.
January 4, 2017
Rated 5 out of 5
First liquid will never go back
Used with an Irish red being my first time using liquid yeast i did not know what to expect. It swelled up after only 3 hours and added far more complex flavor to the beer my previous batches with dry yeast could not compare too
May 6, 2015
 
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