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Yeast Starter Kit - 500 mL

Yeast Starter Kit - 500 mL

In Stock
60 day no hassle return policy. Details

500ml Erlenmeyer flask, 1/2lb light dried malt extract & 1oz Fermaid K (Yeast Nutrient). This starter kit is for growing liquid yeast starters. The idea is that the starter acts as a mini batch of beer where the yeast cells replicate before being pitched into your 5 gallon batch. More yeast means fermentation starts faster. The bacteria and wild yeast that got into your beer during the transfer from kettle to fermenter have less chance of creating a negative flavor impact upon your beer.

(We do not recommend the use of an electric element with these flasks. If this cannot be avoided, we recommend using a larger pot as a hot water bath on the stove.)

In the lab world, these flasks are known as "Student Grade". A great flask for making yeast starters!(Student grade is not the highest grade flasks and will have minor defects)

Item # Y300
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 1 LBS
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Why did you choose this?
MoreFlavor Store
To enhance pitch /fermentation
Paul S on Nov 22, 2019
To enhance pitch /fermentation
Paul S on Nov 22, 2019
Already have 2000 mL kit
Valued C on Mar 8, 2018
Already have 2000 mL kit
Valued C on Mar 8, 2018

2.0 / 5.0
3 Reviews
5 Stars
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1 Star
Flask is too small for the job
As others have mentioned, this is not large enough. 500ml of starter is plenty for a 5 gallon batch, but boiling it in a 500ml flask is asking for trouble. Even if you only boil 400ml of wort in the 500ml flask there's almost no way to avoid a boil over since the flask is so small. Sure, you could use the suggested double boiler method--and that will catch your boil over and minimize any messes, but it's still likely to boil over, so why not just size up?
I make 500ml starters in a 1000ml size flask instead. I use low heat and place the flask right on my gas stove burner, no double boiler needed. It works very well.
March 2, 2017
buy a bigger flask!
Guys (morebeer)
500 ml is TOO small for a yeast starter vessel.

I made a yeast starter using this product, followed the instructions and it blew the foil lid off the top and made a big mess.
Is my starter tainted?

More beer should rethink this product as a "starter kit".
and you should Take my lesson learned advice and buy the 1000 ml version.

I wish I could have my money back or trade this flask in for a 1000 ml.

Brad (making Pliny Clone) Smith

February 8, 2016
Works fine
Has worked well for me but have now went with a bigger flask.
May 13, 2014