6 Pack of Stir Bars by SEOH – use for yeast starters – $11.99, $2 each + free prime ship

SEOH Magnetic Stir Bar Plain PTFE 6 x 25mm (Pack of 6)

6 Pack of Magnetic Stir Bars by SEOH.  PTFE 6 x 25 mm (about an inch).

More Info

From the product description, check product page for current description, price and availability:

A general purpose stir bar that provides better mixing than cylindrical stirrers. An Alnico V magnet is encapsulated with a two step process, compression and isostatic encapsulation, to eliminate cracks and porosity. Each stir bar is polished to reduce the potential for contamination. PACK OF 6


Use along with an Erlenmeyer Flask and Stir Plate to do Stir Plate Yeast Starters.

What are others saying?  Search this product’s Amazon reviews for “brew” – may include reviews for other sizes or variations

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 6?  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.

I have this stir bar and it works great.  DIY Stir PlateThe vortex to the right was created with the help of this stir bar.  See: The HBF Stir Plate Mounting-Thingy for more info.

11/3/19 7:30 AM Central: These are selling for $11.99.  That figures to just $2 each. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying orderPrices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability. Also: Recent Amazon Finds and Amazon Fillers Resource Page 

SEOH Magnetic Stir Bar Plain PTFE 6 x 25mm Pack of 6 – note that multiple variations of this product may be available, as such a different version may appear at this link

Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds

Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.


Leave a Reply

Your email address will not be published. Required fields are marked *