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Yeast Starter Kit - 2000 mL
Y320
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Description

Yeast starters offer higher cell counts at the time the yeast is pitched, leading to faster, healthier fermentations and better tasting beer!
 
You may be wondering how to make a yeast starter.  Well, lucky for you this kit contains everything you need for making your own yeast starter right out of the box, including step-by-step instructions!
 
This is the most common size used to make yeast starters using liquid yeast, great for higher alcohol beer and cold fermented lagers.
 
In the lab world, these flasks are known as "Student Grade," meaning there may be some cosmetic flaws in the glass, and the volume measurements are approximate due to variations in the thickness of the glass walls of the flask. This makes it a great flask for making yeast starters--at a great price!
 
We do not recommend the use of an electric element with these flasks. If this cannot be avoided, we suggest using a larger pot as a hot water bath on the stove.
Item # Y320
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 2LBS
Community Q&A

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Browse 2 questions Browse 2 questions and 19 answers
Why did you choose this?
MoreFlavor Store
In case the liquid yeast was hurt by high temps in transit.
Wesley H on Sep 18, 2018
Need more yeast!
Alex Perkins on Jul 11, 2018
In case the liquid yeast was hurt by high temps in transit.
Wesley H on Sep 18, 2018
Interested in using starters to reduce the amount of yeast I have to buy.
Adam M on Aug 11, 2018
Need more yeast!
Alex Perkins on Jul 11, 2018
Haven’t done a starter yet, gotta try it
peter h on Jul 10, 2018
Splitting a 10 gallon batch means I need two starters.
Michael Beattie on Jul 10, 2018
Belgian Wit
Brian W on Jun 26, 2018
Hoping to increase fermentation.
Christopher F on May 15, 2018
gotta start somewhere
Chandler O on May 9, 2018
Need to up my game.
Kerry S on May 3, 2018
read it is best for starting yeast
Diane G on May 1, 2018
It's a good size for pitching 1.040 to 1.080 gravity beers
James T on Mar 5, 2018
bigger is better!
Jason B on Feb 23, 2018
I needed all three of these items.
Michael M on Feb 8, 2018
I wish to start making yeast starters
Jeffrey d on Feb 7, 2018
Needed for first yeast starter.
Michael B on Feb 5, 2018
Want to pitch bigger culture
John D R on Jan 20, 2018
Interested in using starters to reduce the amount of yeast I have to buy.
Adam M on Aug 11, 2018
Haven’t done a starter yet, gotta try it
peter h on Jul 10, 2018
Does this kit com e with foam stopper?
Ryan Bender on Mar 26, 2018
BEST ANSWER: The kit I received did not have a stopper included in it.
Reviews

4.8 / 5.0
66 Reviews
5 Stars
4 Stars
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1 Star
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Making better beer
Making a starter is super easy. Should have done this along time ago. I recommend buying or making a stir plate too.
September 5, 2018
Purchased
5 months ago
Works as described. My beer has drastically improved with proper yeast starters.
May 26, 2018
Purchased
5 months ago
Perfect yeast starter pack
Everything I needed to get a batch of yeast happy and growing... And at a great price!
April 11, 2018
Purchased
6 months ago
Big
Perfect size for five gallon batches.
March 29, 2018
Purchased
9 months ago
Nice quality flask and everything you need for a medium sized beer.
March 8, 2018
Purchased
9 months ago
Good starter kit
This is my first yeast starter kit and I have been pleased with the quality of product that I received. I do recommend this product and also you need to find a good yeast calculator online that will give you specific measurements.
February 18, 2018
Purchased
8 months ago
Satisfied
I follow the instructions as written except i boil the ingredients in a different pot then pore the boiling wort into the sanitized glass container to prevent boil over.
February 18, 2018
Purchased
9 months ago
Gives me the volume I need and works great on a stir plate.
February 6, 2018
Purchased
9 months ago
Get into yeast culture
I'm a first-time brewer who did a ot of research beforehand. I used this kit with a liquid yeast pack and WOW did it take off. I did not experience any boil over or foaming , and I did not use a stir plate. All is used was the kit, the packet, and filtered water. I had read that there would be little sign of yeast activity, but after 48 hours my starter was happily bubbling away. I brewed today and checked my fermentasaurus after a few hours and found it pressurized to the limit already. I thought I had a day to make my spunding valve, but it became a priority. This kit is your foray into understanding and manipulating yeast.
November 12, 2017
MUST HAVE PRODUCT - But Beware the Instructions
I pitched my first starter last night, and this afternoon I can already say I will never direct pitch yeast again! The last batch I brewed (direct pitch) had a lag time of over 24 hours. With the starter, I had a fully active fermentation in less than 12, and the bubbling from my blow off has never been more vigorous. I wish I had purchased a yeast starter kit much sooner, as I'm sure I could have been getting way better results when I was still extract brewing.

However, the instructions for making the starter could be better. The instructions and included DME are for making a 2L starter..... in a 2L flask. This is probably ok if you boil the starter wort in a pot and then transfer to the flask, but the instructions led me to believe I could do the boil in the flask directly on my gas range. Having tried it, I honestly can't imagine how you can bring 2L of starter wort to boil in a 2L flask and NOT have a boil over. Luckily I saw it coming and was able to safely move the flask to the sink just before it boiled over, narrowly avoiding what would have been an incredible mess. I was left with about 1600ml after the boil over, moved it back to the flame and was able to keep it boiling without any other issues. So maybe this kit should be sold with enough DME to make a 1600ml starter instead of 2L, or the instructions should encourage you to boil the starter wort separately. Personally, I wanted to boil inside the flask to be sure it was completely sterilized. Also be aware that although you're supposed to use the entire package of DME you are NOT supposed to use the entire packet of yeast nutrient. Whoops! When I realized what I'd done I called down to MoreBeer and the customer service rep assured me that the starter would come out fine, but I should probably put the starter in the fridge the night before brew day and decant it before pitching. Thank you MoreBeer for having great advice and knowledge that's only a phone call away!

After boiling for 15 minutes I topped the flask with foil and transferred to ice bath, trust in the borosilicate glass! Having the wort in the flask at this stage is great because you can easily pick it up (with oven mitt) and swirl the wort every few minutes to help with the heat exchange and cool the wort faster, all the while keeping it covered and protected from outside contaminates. Once it was cooled to room temp I pitched the yeast and put it on my stir plate. Definitely recommend investing in a magnetic stir plate. So easy to use, set it and forget it.

After 24 hours on the plate and 24 hours resting, I had a nice big yeast cake at the bottom of my flask. Put it in the fridge the night before brew day, decanted, and pitched. Hands down the best upgrade I've made to my brewing kit. Stop waiting and start making starters!
May 24, 2017