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Wyeast 1275 Thames Valley Ale


SKU# Y1275

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Produces classic British bitters, rich complex flavor profile, clean, light malt character, low fruitiness, low esters, well-balanced.

Yeast cells are active and living organisms. A slight expansion in Wyeast packaging is normal and does not indicate poor yeast health. Certain strains, including 1056 and 1338, are more prone to expansion than others. Please visit the Wyeast FAQ for more details or enjoy this video with Wyeast microbiologist Greg Doss.


Availability: In stock

Wyeast 1275 Thames Valley Ale - Beer Yeast

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Product Details

Produces classic British bitters, rich complex flavor profile, clean, light malt character, low fruitiness, low esters, well-balanced. Apparent attenuation: 72-76%. Flocculation: medium. Optimum temp: 62°-72° F

Additional Information
Permanent Stock MessageNo
Temporary Stock MessageNo
Yeast FormatLiquid
Yeast StyleBritish Ale
Min Fermenting Temp60
Max Fermenting Temp70
Min Attenuation %77
Max Attenuation %77
4.4 / 5.0
11 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
a bubbling monster
We used 1275 when we brewed the Australian Sparkling Ale kit from here on NorthernBrewer.com. We had a... miscommunication and wound up having to smack the pack more/less at the last minute, just a little bit before we actually got down to business. That pack inflated super fast and even though it had been only the minimum 4 hours, I felt just fine pitching when the time came. We had bubbles in the airlock within a few hours and within about 48 hours, we had krauzen overflowing right out of the airlock. (I'd never had that happen before and certainly wasn't expecting it...) Consider using a blow-off tube with this yeast.Flavor-wise, it gave a nice sweetness and a light body. Very positive experience; I'd use it again.
December 26, 2014
Get a blowoff hose.
I have used this in the NB Elevenses, and the Australian Sparkling Ale. First off, elevenses came out great, clean and crisp taste. Just bottled Australian, everything went well. (I actually washed the yeast from Elevenses and pitched it into the australian.)But MOST importantly, use a blowoff hose. For both batches of relatively different ales at the correct temperatures I had foam coming out the top of the 6 gallon fermenter (bubbler) for at least 5 days straight!!! Had to replace the bucket they were bubbling into a lot. I suppose a fermenting bucket won't need it, but I don't know... Great yeast overall, though!
July 10, 2014
Day before brew
Smacked the pack about 20 minutes ago and it is already swelling. I can actually here the activity inside. 3/4 cup DME and 2 cups filtered water with a pinch of DAP, this sucker should be nice and ready for my American Amber Ale tomorrow! Giving 4 stars since I can't taste it yet.
January 16, 2014
great product and value
Arrived on time and cold. Fermentation began within a few hours.
December 25, 2013
Go to British Strain
This is my go to British Yeast Strain. It is fairly clean and finishes quick.
December 19, 2013
Fantastic yeast
Used this in the Australian Sparkling ale and will definitely use this again. Swelled quickly, made a yeast starter and had activity in the primary airlock within hours. Very clean finish.
September 2, 2013
Bested 6 others, tied for first in a tasting
I recently participated in a tasting at Bitter & Esters in Brooklyn, NY. A 22 gallon batch of ESB was split and pitched with 8 different English yeast strains from Wyeast. The only other yeast that came close was West Yorkshire (1469). This one was clean and pleasant, much better than the others. A real winner.
March 15, 2013
Even better the 2nd Time Around
This yeast gets even better if harvested or the yeast cake is saved and another batch is pitched on it. I've tried this a few different ways, usually doing a low grav English Bitter followed by an Dry Irish Stout. While this is certainly not the standard yeast for DIS, it has performed brilliantly. Flocculates well and leaves a nice ruby smooth tasting DIS behind.
May 25, 2012
Pack swelled within two hours of starting the pack. Made a porter for a party with this yeast (SG 1.045). Racked to 2ndary after a week (SG 1.013). Racked to keg after another week (SG 1.010) and forced carbonated. Temp for fermentation was never above 65F. In 14 years of home brewing, have only had one beer that got more compliments. I have several requests for this porter again for this year's party.
February 9, 2012
No problems with this yeast in my experience. I've used it for two low grav English Bitters. Both packs were fresh enough and I was impatient enough to pitch without a starter. Fermentation kicked in no problem and I have to hide the beer from my friends so I get some for myself.
November 11, 2011
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