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Safbrew S-33 Dry Brewing Yeast


SKU# Y013

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Safale S-33 Dry Yeast is the perfect ingredient for ales, particularly that of Belgian and Trappist style brews. 11.5 gram sachet.

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Safbrew S-33 Dry Brewing Yeast

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  • Safbrew S-33 Dry Brewing Yeast
Product Details
A general purpose, widely-used ale yeast with low sedimentation properties. This strain is extremely consistent, with excellent wort attenuation and a superb flavor profile. Optimum temp: 59°-75° F
Additional Information
Permanent Stock MessageNo
Temporary Stock MessageNo
Yeast FormatDry
Yeast StyleN/A
Min Fermenting Temp59
Max Fermenting Temp75
Min Attenuation %No
Max Attenuation %No
4.3 / 5.0
8 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
I would not recommend the yeast for conventional ales.
Tried this yeast twice. Bad results both times. Starts like a rocket, then stops, even at middle of suggested ferment temp. Beer stays cloudy even after finish gravity is achieved. After crash chill and 2 doses of gelatin, finished beers remained cloudy after 9 weeks. Odd fruity/slightly sour taste. Picked the yeast because manufacturer said it was a good general purpose ale yeast with neutral flavor profiles and good length on the palate. Maybe it was the style of beer I tried (Amber and Altbier), but I'll never use it again.
October 8, 2017
7 months ago
Fermentation temps
Ferment this yeast low and it will be clean, ferment high and one gets isolamylacetate, i.e, banana. great use in conjunction w/ t-58 in a narziss fermentation (low first 3 days then ramping up to high) for belgian ales.
January 17, 2016
Fast fermentor
I echo rockinhorse's rating. I made a batch one evening, and it was bubbling rapidly the next morning.
August 7, 2013
I use this yeast for a variety of ales. In my experience, it does produce some Belgian aromas and flavors when fermented at 68F or higher. Regardless, it produces a very nice flavor profile and is very consistent. The price is low enough that one need not feel obligated to recycle the slurry for future batches.
June 2, 2012
what a relief
Nice to know a yeast will just get in there and do its job! It starts working in short order and goes like crazy for 24 hours at about 70 deg F. Give the beer a swirl after 48 hours and it will work slowly for a week or so. Brown ale turns out nice.
February 20, 2012
This yeast doesn't have a flavor profile. Unless being transparent is a flavor.?.?.?. Anyway I keep two packs on hand incase things go south with fermentation. I have never had a problem with this yeast. The descriptions on other sites say its a belgian yeast. That may be true if you ferment it at higher temps. I keep my temp controller at 64 degrees and have never had a hint of standard belgian flavors. If anyone ferments it at higher temperatures shoot me an email at marrisotter2@yahoo.com to let me know what the results are.
February 3, 2012
This is my go-to yeast.
I use it for a variety of ales. It has a clean taste, good attenuation and the price is unbeatable.
January 24, 2011
Fantastic Yeast!!!
I used this yeast in a Tripel. Absolutley amazing! Yeast began their feast within two hours of adding the starter! Very good attenuation and superb flavor profile! I used the cake for the batch after!
February 7, 2010
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I typically use liquid yeasts. What would be a good substitution in a liquid yeast?
Alan I on Feb 15, 2018
BEST ANSWER: This year has some problems in primary fermentation. It can be used but needs to have a high pitch rate and can produce high levels of esters under stress. This yeast is a wonderful secondary yeast as it does not require much oxygen and really cleans up diactyl. S04 or S05 are better bets for primary and great alternatives to liquid yeast.

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