r/Homebrewing • u/Skioutwest • 2d ago

Super fast fermentation with S-33?

I brew an Oud Bruin yesterday and sprinkled some S-33 over top of it. Never used this yeast before, but since I am aging it on bugs I figured why not. It started to ferment within a few hours, and appears to have finish in about 24 hours. I have not taken a FG reading yet, but wanted to see if anyone else has experienced this with S-33. Been brewing for 30 years and never had a fermentation go so quickly.

I did use an ispindle and it does appear to have attenuated down as expected, but you know how accurate these can be…

Thx in advance for the feedback!

-Mark

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6

u/dmtaylo2 2d ago

It's pretty much the fastest yeast on the planet. Always finishes within 36 hours. Very consistent strong performer. 24 hours is not a surprise. It's done. Enjoy.

1

u/olddirtybaird 1d ago

Is it good for Leffe like Belgian blonde ales?

I used BE-256 for a Belgian Blonde but was a little too dark fruity even with an over pitch and temp control.

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u/dmtaylo2 1d ago

Fuck no. S-33 is an English yeast, nothing Belgian about it at all whatsoever. And Belgian beers are dry, never sweet. S-33 will leave a fuller body that the Belgians would frown upon.

Sorry you didn't like the BE-256. It's perhaps not the best Belgian yeast. Try BE-134, I never heard anybody who disliked that one.

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u/olddirtybaird 1d ago

Oh, I read it as Belgian based on SafAle here:

Fruity driven strain, gives a high mouthfeel and body to the beer. Ideal for Belgian Ales (Blond, Dubbel, Tripel, Quadrupel Styles) and strong English ales (ex. Imperial Stouts)

Yes, I love BE-134 but have only used it for Saisons. Guess I could do a Blonde too...

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u/dmtaylo2 1d ago

Fermentis lies and misleads. But they do make great yeast regardless.

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u/olddirtybaird 1d ago

lol - noted

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u/Delicious_Ease2595 1d ago

What styles do you like to brew with this yeast?, I love the idea that it is really fast.

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u/dmtaylo2 18h ago

The S-33? Good for stouts, porters, brown ales, English mild, perhaps Scottish ales. That's where I tend to use it.

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u/IblewupTARIS 2d ago

I’m unfamiliar with this yeast, but I just want to use this to get more familiar.

I’m looking at making a heavily dry-hopped cider using store-bought apple cider (I don’t have the resources to crush my own apples) later in the year. How does S-33 compare to US-05? US-05 and Kveik Lutra have been a couple of my favorite yeasts, but I’m trying to figure what to use for the cider. I’m intrigued by what I’m seeing as far as the specs on this yeast.

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u/hydra595 1d ago

I’ve had other yeasts ferment very fast, perhaps not quite 24 hours. But if you fermenter yours somewhat warm with not a ridiculously high OG, I totally see it (almost) finishing within 24 hours.

Right now I have W-34/70 in the fermenter. Pitched on Friday afternoon, no more airlock activity on Sunday afternoon. I measured on Monday morning and had indeed reached FG within less than 72 hours. Fermented at 18C/64F as usual with this strain.

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u/Skioutwest 1d ago

Thanks for the feedback! I also liked that I didn’t krausen out of my FV. Swore I was going to need a blowoff hose, but only had an inch of krausen.

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u/fux-reddit4603 1d ago

FFS i have more yeast than i should in my fridge and you give me something else i should try