7 x PTFE Magnetic Stir Bars – Mixed Sizes.. $5.99, 86 cents each, near best price + free prime ship

Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars

Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars

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Highlighted Features
  • Size:5*10mm/6*12mm/8*20mm/7*25mm/8*28mm/8*30mm/9*35mm Stirrer Mixer Stir Bar Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications.
  • Stir bars are coated with Teflon (PTFE) covering, built-in pivot axle helps to reduce vibration and wear during stirring.
  • With acid and alkali resistance, resistant to a variety of organic solvents, almost insoluble in solvents.
  • High temperature up to 250 ℃, low temperature up to -196 ℃.

 

  • Use along with a compatible Erlenmeyer Flask and Stir Plate to do Stir Plate Yeast Starters.
  • Why a Stir Plate? The constant motion of a stir plate integrates oxygen, puts yeast in constant contact with nutrients, relieves built up CO2 and generally helps yeast to grow more rapidly.  That also means smaller starters.
  • Why get 7?  Generally, you’re going to save money buying in bulk.  Having these on hand allows you to do multiple starters at once and… you’ll have spares if you mistakenly dump your stir bar into your fermenter.
  • Also Consider: StirStarter Stir Plate – via Valuebrew – includes free shipping to US addresses

6/4 5 PM Central: These are on sale for just $5.99. That’s just 10 cents shy of the best historical third party Amazon price I found, notwithstanding Lightning Deals or coupons. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices and availability can change quickly Check product page for current info – More About Prices

Magnetic Stir Bar Set,7pcs Lab Type-B Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars– affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

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