Erlenmeyer Flask (1000 ml)

Erlenmeyer Flask (1000 ml)

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The perfect container for rehydrating yeast or mixing up additions. Erlenmeyer flasks allow you to swirl your yeast or acid, tannins, nutrients, etc. into solution. The clear glass allows you to see when the solution is fully mixed.

In the lab world, these are known as "Student Grade"

Made from Borosilicate glass, it can be rapidly heated or cooled without the risk of cracking.


  • 1L (1000ML) Capacity
  • Made from Borosilicate Glass
  • Fantastic price for a flask of this size
  • Produced for MoreWine!

Kegland Part Number: KL03971

Item # Y420
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.50 LBS
Community Q&A

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new equipment
James F on Jan 30, 2023
great for yeast starters
Joshua Huber on Nov 8, 2022
new equipment
James F on Jan 30, 2023
Jump start fermentation
Jerry G on Dec 9, 2022
great for yeast starters
Joshua Huber on Nov 8, 2022
replace broken item
Andy M on Sep 26, 2022
Tristan S on Jul 13, 2022
Starter for days
Steven J on May 24, 2022
yeast starter
Clifford T S on Jun 22, 2021
To make small yeast starter
MIKE W on Jun 2, 2021
It was the deal of the day, and I'm giving it as a gift.
Adrien Monteleone on Feb 10, 2021
Yeast Starter
dicgleason on Feb 2, 2021
Mark C on Jan 30, 2021
Making yeast starters is much easier with this tool.
Edward V on Jan 16, 2021
Going to use a yeast starter for my next batch
Joshua P on Jan 12, 2021
to use for yeast starter
Charles O on Jan 1, 2021
to rehydrate yeast
Robert on Nov 17, 2020
Yeast starters
David San C on Jul 28, 2020
Need this to make starters from harvested yeast.
Julian L on Jul 8, 2020
I have one and love it. Wanted a second one so that I can more easily do two starters which means two brews in one brew day.
Gabe C on Jun 4, 2020
brewers make wort, yeast make beer
Brett Fahnestock on May 23, 2020
Need for cultivating yeast.
Kimberly on Apr 21, 2020
I figured I would get one for making lagers.
DAVID HARBIN on Feb 3, 2020
Krista H on Jan 29, 2020
Yeast starters
Kelly S on Jan 16, 2020
yeast starters
Peter on Mar 26, 2019
Low price
Alan A on Mar 5, 2019
recommended by your Reagent Bottle description
Mark R on Feb 3, 2019
will use for yeast starter
Arno C on Jan 26, 2019
Jump start fermentation
Jerry G on Dec 9, 2022
replace broken item
Andy M on Sep 26, 2022

4.6 / 5.0
9 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 5 out of 5
Works great for rehydrating yeast.
January 17, 2022
over 2 years ago
Rated 3 out of 5
Too small
Too small for a 5 gal batch starter.
June 3, 2021
over 3 years ago
Rated 5 out of 5
If you find making yeast starters necessary, than this tool makes that task a whole lot easier. Right size for the 5-10 gallon batch size. Combo this flask with a stir plate and you be styl’n!
February 6, 2021
over 3 years ago
Rated 5 out of 5
Great for the yeast starter.
User submitted image
Added Apr 26, 2020
April 26, 2020
over 4 years ago
Rated 5 out of 5
Great flask
True to the Erlenmeyer name. Cooks over flame without cracking and holds yeast well with in airlock on top (airlock not included)
May 22, 2019
over 5 years ago
Rated 3 out of 5
Too small for a 5gal batch
For 5gal batches, I recommend going with the 2000ml version instead, which is large enough to reasonably handle a 1500-1600ml volume starter, and still minimize boilovers on the stove top so long as you watch it closely near boil time and are quick to reduce the heat at the transition point.
May 5, 2015
Rated 5 out of 5
Great for Small yeast starters
This flask is great for small yeast starters. Also if you have it shipped Morebeer packages it so well, there is no chance of it breaking.
Rated 5 out of 5
Excellent for use in making yeast starters.
I have been brewing for a few years when I decided to move up to increasing the effectiveness of my yeast. The 1000ml flask is great for this. It insures enough yeast for a robust fermentation.
May 28, 2013
Rated 5 out of 5
Good Product
This product is great because you can fill it with boiling liquid, and place it in an ice bath (as long as the ice bath water surface line does not go over the surface line of the liquid in the flask). One piece of advice for anybody who plans on advancing their brewing skills- get the 2000ml flask. For a lot of beers the size of the starter required with exceed 1000ml. I've had to make more concentrated starters as a result. I don't know how people who purchase the 500ml do anything. You can always just do successive starters, but just be easier on yourself and go for the 2000ml.
May 16, 2013