Adnams dual strain yeast

Sadfield · Jul 18, 2024

I'd guess the whole is it primary or is it a bottling yeast, becomes even more complicated with a dual strain yeast.

If we assume it's the primary strain, then which one? In Jeff Alworth Secrets Of Master Brewers, Johnathon Adnam says of the yeasts "one is flocculant, one not, and they don't work well alone, but they do harmonise". A none flocculant yeast wouldn't be much use as a bottling yeast. Even if they're are both present in bottle or keg, can you be sure the ratio is the same after multiple step starters?

There's two yeast reputed to be Adnams. The rarely released from the Whitelabs Vault, not very flocculant WLP025 . And, highly flocculant WY1335. Probably best to wait, and hope for the former to be available again.

The other alternative is follow Johnathon Adnams further advice in the book and experiment with two English Ale yeasts or one with Belgian Abbey yeast.

Galena · Jul 18, 2024

Just looked at the Malt Miller recipe for Ghost Ship and they attempt to mimic the dual strain yeast by the following method:
Yeast: 2x S-04, 1 x Lallemand Farmhouse
Fermentation temperature/steps: Pitch 2 x S-04 at 19c, Day 4 take a reading after dry hop, you are looking to achieve 1.020, at this stage then add the Farmhouse yeast. Aiming to achieve to achieve 1.010 by day 7, once OG cold crash to 2c and dump hops and trub.

Agentgonzo · Jul 18, 2024

Nucbrewer said:
https://www.jimsbeerkit.co.uk/forum...eywords=Adnams+yeast&t=44450&sf=msgonly&ch=-1
Apparently Nottingham is used but agree it may be speculation. The Malt miller guys spent a day at adnams and formulated their own clone recipe using two commercially available yeasts. Is WLP 025 discontinued?

Again, I wonder where that information comes from. It's just another "someone on the internet said it". Which might come from a real source, or it could come from "someone on another forum said it", which came from "a drunk guy down the pub told me", which came from "someone just pulled it out of their arse". Again, I have no reason to dispute it, but also have no reason to believe it. We hear a lot of "the yeast they use for bottle conditioning is different from the primary strain" on the forums over and over and over again, but without actually knowing whether it's the truth, or people on forums being parrots.

MashBag · Jul 19, 2024

Does anyone else here use dual strains of yeast?

Sadfield · Jul 19, 2024

I rarely use a single stain.

stubrewworx · Jul 19, 2024

MashBag said:
Does anyone else here use dual strains of yeast?

Is dual strains using 2 types of yeast?

Co-fermentation?

I've used Windsor then picthed 'ale' yeast from a wilko kit a week later... produced a homebrew forum comp winning Brown Porter, wink...

gingerneil · Jul 19, 2024

Do you live anywhere near? I'm down the road in Ipswich, and they happily gave me a bottle of their yeast - I popped up and collected it. Enjoyed some nice fish and chips and a beer in Southwold too!

Galena · Jul 19, 2024

gingerneil said:
Do you live anywhere near? I'm down the road in Ipswich, and they happily gave me a bottle of their yeast - I popped up and collected it. Enjoyed some nice fish and chips and a beer in Southwold too!

Sadly not, it is a 440 mile round trip. Encouraging though to know that they gave you some yeast.

Galena · Jul 23, 2024

Just an update on the Adnams Yeast.
The yeast used for bottle conditioning Tally Ho is not the Adnams House strain. This is from Adnams Head Brewer after an email I sent.

Galena · Jul 24, 2024

Another update, the head brewer kindly offered me some of their yeast strain and offered to send it out to one of their shops if I can't get to the brewery. Unfortunately all of their shops are in East Anglia so no use to me at the moment but if anyone lives that way and wants to make a beer in an Adnams style then it would seem to be available.

MashBag · Jul 24, 2024

stubrewworx said:
Is dual strains using 2 types of yeast?

Co-fermentation?

I've used Windsor then picthed 'ale' yeast from a wilko kit a week later... produced a homebrew forum comp winning Brown Porter,

Co-fermentation or Co-inoculation. Lob them both in together, unless one is a killer strain they both ferment.

YeastFace · Jul 24, 2024

Galena said:
Another update, the head brewer kindly offered me some of their yeast strain and offered to send it out to one of their shops if I can't get to the brewery. Unfortunately all of their shops are in East Anglia so no use to me at the moment but if anyone lives that way and wants to make a beer in an Adnams style then it would seem to be available.

Good people. Shame the one in London shut down or I'd be all over that.

YeastHead · Aug 2, 2024

gingerneil said:
Do you live anywhere near? I'm down the road in Ipswich, and they happily gave me a bottle of their yeast - I popped up and collected it. Enjoyed some nice fish and chips and a beer in Southwold too!

I've been trying to get the Adnams yeast for a very long time, but its a long swim to Southwold. Would you like to sent a little drop of this yeast to Amsterdam? I'll pay for the shipping.

Rakey · Aug 8, 2024

An Ankoù said:
They don't use a different strain. The keg contains filtered beer and so I suppose it must be force carbonated since it's not "keg conditioned". Whether you can catch any yeast depends on how good the filter is. I tried it a second time and wasn't successful, but I still have a bottle of my first brew although it's a few years old now.
On a similar note, I'd advise anyone thinking about it not to try to culture Harvey's yeast. It's not at all what you might hope for.

Its worth know, mostly they use the house strain on core beers, however they do use it at different stages in life cycle for different beers meaning some beers they aim for different percentage rates of the strains depending on which beer it is. Thats why all their beers don't taste the same.

Oh and they have been known to use varying commercial strains for specials etc

Rakey · Aug 8, 2024

Galena said:
Just looked at the Malt Miller recipe for Ghost Ship and they attempt to mimic the dual strain yeast by the following method:
Yeast: 2x S-04, 1 x Lallemand Farmhouse
Fermentation temperature/steps: Pitch 2 x S-04 at 19c, Day 4 take a reading after dry hop, you are looking to achieve 1.020, at this stage then add the Farmhouse yeast. Aiming to achieve to achieve 1.010 by day 7, once OG cold crash to 2c and dump hops and trub.

FYI - This was a case of finding a way to replicate the same flavour profile, not match the actual yeast strains.

Galena · Aug 8, 2024

Rakey said:
FYI - This was a case of finding a way to replicate the same flavour profile, not match the actual yeast strains.

Thank you, yes I did understand that I was just looking how MM approached it.

MartinHaworth · Aug 8, 2024

As I write, Norwich Amateur Brewers are in the middle of a 'Adnams Homebrew Challenge', where we are brewing their 'Oyster Stout' recipe, using their yeast, for judging in September.

Connor (their Technical Brewer), very kindly supplied fresh brewery yeast, advising to use it within two days as one strain will outcompete the other leading to a 'belgian' unbalance.

They are all lovely people.

<photo showing Connor showcasing Adnams beer at our recent homebrew festival>

(he liked my beer - a simple TTL thingy)

Cheers

Martin

YeastHead · Nov 2, 2024

The Adnams duostrain on WLN Agar.

YeastHead · Nov 22, 2024

Another pic of the duo strain: there are white and green colonies"

Tally Ho is completely different, probably a bottling strain

stubrewworx · Nov 22, 2024

When it’s dual strain, does that mean they pitch different quantities of 2 strains depending on what outcome they want?

Adnams dual strain yeast

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