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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!
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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Yeast starters
Kelly S on Jan 16, 2020
Low price
Alan A on Mar 5, 2019
Yeast starters
Kelly S on Jan 16, 2020
yeast starters
Peter G 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
yeast starters
Peter G on Mar 26, 2019
recommended by your Reagent Bottle description
Mark R on Feb 3, 2019

4.6 / 5.0
5 Reviews
5 Stars
4 Stars
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1 Star
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
8 months ago
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
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.
May 30, 2014
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
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