Bel-Art 1.375″ Spinbar Stir Bar
Bel-Art F37110-1388 Stirring Bar. 34.9 mm (about 1.375″) x 9.5mm.
Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter. A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen. All of that means higher cell counts.
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Bel-Art F37110-1388 Spinbar Teflon Octagon Magnetic Stirring Bar; 34.9 x 9.5mm, White
Also: Yeast Starters & Fermentation Resource Page | StirStarter Stir Plate | Yeast: The Practical Guide to Beer Fermentation
Higher Cell Counts, Decreased Lag Times, More Vigorous Fermentations, Great Warranty StirStarter Stir Plate – Hands on Review!