1000ml Erlenmeyer Flask

Prepare starter wort according to your brewing recipe.

Heat the wort using a gas stove or double boiler method.

Cool the flask to yeast-safe temperatures.

Pitch yeast into the starter wort.

Swirl periodically or place on a compatible stir plate.

Allow the yeast starter to propagate before pitching into your fermenter.

Hand wash carefully after use.

• One 1000 mL Erlenmeyer Flask

This flask is designed for yeast starter preparation and brewing laboratory tasks.

Useful for:

• Beer yeast starters
• Yeast propagation
• 5 gallon brewing preparation
• Stir plate fermentation setups
• Starter wort preparation
• Increasing yeast cell counts before fermentation

The borosilicate glass construction supports heating and cooling during yeast starter workflows.

This laboratory-style flask can also help:

• Support healthier beer fermentations
• Improve starter consistency between batches
• Simplify reusable yeast management workflows
• Prepare small-scale brewing experiments

Its tapered design makes mixing and swirling easier while helping reduce spills.

• Capacity: 1000 mL (1 L)
• Material: Borosilicate glass
• Height: 8.5 inches
• Base Width: 4.25 inches
• Compatible With: Magnetic stir plates
• Recommended Batch Size: 5 gallon beer batches
• Dishwasher Safe: Hand washing recommended
• Heat Source Notes:
  -Gas stove compatible
  -Double boiler recommended
  -Not recommended for direct electric burner contact