2" Magnetic Stir Bar

Clean and sanitize the stir bar before use.

Place the stir bar into a compatible flask containing starter wort.

Position the flask on a compatible magnetic stir plate.

Slowly increase stir speed until a stable vortex forms.

Allow the yeast starter to propagate according to your brewing schedule.

Clean and sanitize thoroughly after use.

• One 2" Magnetic Stir Bar

This magnetic stir bar is designed for yeast propagation and starter preparation.

Useful for:

• Large yeast starters
• Lager yeast propagation
• High-gravity beer fermentations
• Stir plate brewing setups
• Yeast oxygenation workflows
• Large batch fermentation preparation

Continuous agitation helps keep yeast suspended during starter development.

This brewing accessory can also help:

• Improve yeast starter consistency
• Support higher yeast cell growth
• Simplify reusable yeast management workflows
• Increase oxygen circulation within starter wort

Its larger size is intended for higher-volume starter flasks.

• Length: 2 inches
• Coating Material: PTFE
• Compatible Flask Sizes: 2000–5000 mL
• Compatible Equipment:
  -Wort Whipper Stir Plate
  -Standard magnetic stir plates
• Intended Use: Yeast starter agitation
• Reusable: Yes