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White Labs Servomyces Yeast Nutrient


SKU# 9049

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A proprietary yeast nutrient that cuts down fermentation time,improves yeast health and viability, and improves the quality of the finished product.


Availability: In stock

White Labs Servomyces Yeast Nutrient

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  • White Labs Servomyces Yeast Nutrient
Product Details

Servomyces is a yeast nutrient that was originally developed for German brewers by Weihenstephan and the Munich University. It is proven to cut down fermentation time, increase flocculation, greatly reduce harsh sulphur notes, improve yeast health and viability, reduce levels of diacetyl at the end of primary fermentation, produce faster, more complete attenuations, increase yeast production for better harvest, and improve the quality of the finished product.

The folks at White labs have made Servomyces available to homebrewers and home winemakers by packaging it in capsules that can be used for a 5-gallon batch of beer, wine, mead or cider. Simply add a capsule 10 minutes before the end of the boil. Winemakers should open the capsule and pour the Servomyces into the must, as the capsule requires boiling to melt.

Each pack contains 6 Servomyces capsules.

Additional Information
Support Documents: No
4.6 / 5.0
10 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Experienced aggressive fermentation
I found this product to aid in faster start and much more aggressive fermentation. I'd made beer for two years and not once did I ever krausen come close to my airlock on a 6.5 gallon carboy. The first time I used servo, I nearly blew the airlock off my carboy and had to run to the home brew shop to get a blow off tube. I started using a half capsule in my yeast starters when I didn't get them going soon enough. Of course, the first time I used servo in a starter, I came home to a clogged airlock and had to switch to a blow off tube even for my starters! My yeast start times went from 12-16 hours to 4-8 hours. So, I would disagree with the other posts here that there is little difference--I experienced drastic improvements in start time, activity, and cleaner final product.
October 1, 2010
Does not melt last 10 min of boil
I use this on every batch and my fermentations are strong and faster than without using it. I have found that the capsule will not melt when put in for the last 10 minutes of the boil. I have been finding the unmelted capsule or partially unmelted in the bottom of my brew kettle after transferring the wort to my primary fermenter. I may just start dumping the contents of the capsule into the wort. Do not know why this would not work. Would be nice it it worked according to the instructions regarding melting of the capsule.
August 28, 2011
It does seem to improve the fermentation
I do agree with Willie3 that ' it is hard to tell if the product is doing what it aims to do' The only thought that I would add is that I brew the same beer every time with very controlled conditions. I have noticed that the fermentation is a little more vigorous with Servomyces, and it completes a little faster. I would also say that the final product is a little cleaner.
September 1, 2010
Worth it overall
I highly recommend the product for German lagers as it allows fermentation at the low end of the lager temperature range with no loss of vigor or extended fermentation times. Especially recommended for big lagers such as bocks, doppelbocks and baltic porters. For most ales at ale temps, the benefits are more esoteric.
August 19, 2013
Won't brew without again!
I just recently bought and used a Yeast Nutrient for the first time. I have my standard Pale Ale recipe that I have made dozens of times with WLP051. With Servomyces, there was a noticeable difference in the airlock activity both in vigor and duration. And after drinking literally hundreds of pints of this recipe, I could definitely say there was a noticeable improvement in flavor.
June 16, 2012
Great Yeast nutrient
I have been brewing for many years and I have never had better results then with Servomyces!! I have used this with and with out a stir plate with my starters with the same results, faster starts, faster finish, cleaner better tasting beer!!! I have not changed my process except adding Servomyces so I know that's the difference. My beers clear quicker and taste better with less aging needed then before using it, again GREAT product for any level of brewer!!!
July 23, 2011
clean tasting beers
ive always used wyeast nutrients in the past but decided to give servomyces a whirl. i cant really say i noticed too big a difference in fermentation activity but i did notice that the end product is great, producing much cleaner tasting beers, especially in lagers such as pilsners where it keeps diacetyl and sulphur productions low. the only downside is the price for the quantity but its slightly worth it for cleaner tasting beers. cheers.
March 8, 2011
October 6, 2015
White Labs cap lets
The cap lets don't melt, you really need to open them when you use them
July 1, 2016
Little to no significant change in Yeast behavior
Hard to tell if this product is doing what it aims to do. If you have healthy yeast to begin with you should be fine without, however, it does help reassure you, sort of like a belt and suspenders approach. Not a need to have but a nice to have product, IMHO.
July 29, 2009
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Browse 2 questions Browse 2 questions and 5 answers
Would this also work for a stuck fermentation?
mike b on Dec 8, 2016
BEST ANSWER: It depends what caused the stuck fermentation. Servomyces provides added nutrients to help ensure strong and healthy yeast growth and fermenting action - but everything else needs to be OK also. Some yeasts need rousing to help them keep going and also it's wise to ensure if fermenting high gravity beer that the yeast chosen has high alcohol tolerance. Always make sure that a good high volume of yeast is pitched, and if doing a starter that it's actively fermenting when pitched.
Is this gluten-free?
A shopper on Jun 18, 2017
BEST ANSWER: This is yeast nurtriant. I do not believe there is any gluten in it. Check on white labs web site

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