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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.
Recommended Process for Use of Flask:
Double Boiler Method
It is important for your safety to heat water in the flask with a heat source that distributes heat evenly. Our manufacturer has confirmed that direct heat to the glass can break down its integrity and break if the heat source doesn't distribute evenly. Morebeer! recommends using the "double boiler method." This process involves using a boiling water bath on the outside of the flask to heat up the water inside the flask. All you need is a kettle 3 gallons or larger. This process is much safer and efficient. If the flask should break or boil over, your kettle will be there to collect the contents, thus keeping your stove clean and keeping you away from potential harm.