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Stir Bar - 50 x 8 mm

This stir bar measures 50 x 8 mm and is perfect for larger-sized starters in 2000 or 5000 ml flasks. Stir bars can be boiled in the flask along with the starter wort and should be added to the flask when you're propagating yeast on a stir plate. These stir bars are magnetized so that the magnets in stir plates will grab the magnet and spin it, creating a vortex that oxygenates your starter. Even if you already have one, an extra stir bar is always good to have in hand in case one accidentally slips down the drain or into the fermenter.