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Safale S-04 Ale Dry Yeast


SKU# Y007

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English ale yeast with fast fermentation high flocculation. Recommended a large range of ale beers and is specially well adapted to cask-conditioned ales.


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Product Details

A well-known English ale yeast, selected for its fast fermentation character and its ability to form a very compact sediment at the end of the fermentation, helping to improve beer clarity. This yeast is recommended for the production of a large range of ale beers and is specially well adapted to cask-conditioned ales and fermentation in cylindroconical tanks. High sedimentation. Optimum temp: 64°-75° F

Additional Information
Permanent Stock MessageNo
Temporary Stock MessageNo
Yeast FormatDry
Yeast StyleN/A
Min Fermenting Temp64
Max Fermenting Temp75
Min Attenuation %72
Max Attenuation %75
4.7 / 5.0
53 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Used in Cider
This yeast was good but not the best ale yeast for cider IMO. There was a bitterness left over after fermentation but easily drinkable. We kegged it for a quicker turn around.
March 12, 2018
4 months ago
Excelent product.
Safale-04 always works great for us. We get a good clean fermentation each time. Delivery has always been prompt. Thank you
BSjr brewing.
December 4, 2017
5 months ago
My 5 gallons of Winter Ale are still in the fermenter so I have yet to taste--but having used this yeast several times before and never having any kind of failure I am pleased to recommend it. I consider it general purpose but good with strong ales. Worked hard and fast for 3 days, now ticking over 3 weeks later. I recommend this yeast.
November 14, 2017
6 months ago
This yeast Rocks
I used to use liquid yeast but with the DME and the Malstorm Stir Plate and 1000 ml flask not necessary! WOW great product!!
October 17, 2017
6 months ago
Very active, had to use blow off tube. Worked great
September 24, 2017
8 months ago
Prefer liquid yeast
Actually, even though I used a yeast starter and an oxygenator I only had one day of activity ( bubbling) I have much better fermentation with liquid yeast. I am tempted to add a little when I go to the second. The Zombie Dirt is a dry hop, so I probably shouldn't
September 11, 2017
8 months ago
Safe Standard
This is a go-to yeast. I've never had problems and find it always works for my brews.
August 4, 2017
1 year ago
Awesome dry yeast
In my opinion Safale is the best dry yeast out there.
June 18, 2017
11 months ago
Very Pleased
I recently pitched 04 in an American imperial stout. OG was .095
I used two packets, and mixed with about 1/2 cup cooled wort to activate before pitching. It was going in less than four hours. FOUR HOURS. I'm sure the sugar content aided in this, although it certainly was impressive. During the next few days, I was frightened to get near it thinking it would explode. It was that savage. I just tasted while racking to the secondary. Very clean tasting.
May 26, 2017
1 year ago
Danny C
very good yeast for my ales,
cakes tight & works best at about 75 F.
May 23, 2017
11 months ago
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Browse 3 questions Browse 3 questions and 6 answers
I recently used one packet of this to make a 5 gallon batch of cider which came out great. Does anyone have any suggestions for scaling this up? Lets say I wanted to do 250 gallons, would I need to use 25 packets or the equivalent in larger packaging? Do yeast cultures multiply at a rate which would require fewer packages of dry yeast for a larger batch of cider? Thanks.
E R on Oct 17, 2015
BEST ANSWER: I agree with Kevin, I think the packet count would be somewhere between 40 and 50 (take a look at the pitching rate calculator at http://www.mrmalty.com/calc/calc.html) so a starter would be one way to go. I think it is a 4 liters of slurry which is a bunch of slurry. I'd likely do a series of starters to get to that (1 liter, 2 liter, 3 liter, then 4 liter, etc.) Have not done that with cider, nor with dry yeast though so I'd ask around a bit. Might be worth looking at whether you can buy a larger pitch than the small packet to avoid the risk of contamination that the starters would present.
Would this work okay for an Amber Ale?
Alex J on Dec 4, 2017
BEST ANSWER: Pretty sure it would work fine. Check a few recipes and you can get a good idea what kind of brews it's used with. IIRC I have seen S-04 used with an Amber.
I'm wanting to brew a pumpkin ale recipe that calls for English Ale White Labs WLP002 yeast but I'm worried about shipping with it 95 degrees in south Mississippi. Would this be a good dry substitute?
V A on Aug 4, 2016
BEST ANSWER: Yes! S-04 is a great substitution for almost any English variety of yeast.

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