Category Archives: Yeast Starters

HYCC Magnetic Stirrer + 7 Stir Bars & Stir Bar Retriever

HYCC Magnetic Stirrer with 7PCS stir bar Set and stir bar Retriever, 3000 RPM Magnetic Mixer, Stir Plate Max Stirring Liquid 3 Liters, Lab Stirrers

HYCC Magnetic Stirrer with 7PCS stir bar Set and stir bar Retriever, 3000 RPM Magnetic Mixer, Stir Plate Max Stirring Liquid 3 Liters, Lab Stirrers

More Info
Highlighted Features
  • 1️⃣ 【High Quality】The working plate is made of 5052 aluminum to ensure that durable and corrosion resistance.
  • 2️⃣【Powerful】Running strong 100-3000rpm adjustable stirring speed .
  • 3️⃣【Capacity】Up to 3000ml which is great for home brew yeast starters and other liquid mixing .
  • 4️⃣【Portable For Widely Use】For industrial, agricultural, medical and health, scientific research institutions, homebrew and universities laboratory ,etc.
  • 5️⃣【With stir bar and stir bar Retriever】Offer 7pcs stir bars to meet different mixing needs.Offer 1 stir bar Retriever is provided for easy removal of the stir bar from the container.
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Use this in combination with an Erlenmeyer Flask 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.

HYCC Magnetic Stirrer with 7PCS stir bar Set and stir bar Retriever, 3000 RPM Magnetic Mixer, Stir Plate Max Stirring Liquid 3 Liters, Lab Stirrers – 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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This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Heat Resistant Glove – G & F 1689L Dupont Nomex & Kevlar [Minding Yeast Starters & Brew Day]

G & F 1689L Dupont Nomex & Kevlar Heat Resistant Oven Gloves, for BBQ, Fireplace,and Grilling. Commercial Grade, Large, Sold by 1 Piece

G & F Heat Resistant Oven Glove, Large by G & F

More Info


Highlighted Features
  • Same material used by fire fighters
  • Maintains integrity and strength at high temperatures
  • Thermal regulating
  • Ambidextrous, fits right or left hand
  • Soft and pliable for easy grasp
Learn More

From HBF: 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.

 

  • I use a similar type of glove when I’m making yeast starters in an Erlenmeyer Flask.  It’s really handy (pun intended) to swirl around the flask or to quickly remove to keep the flask from boiling over.  These are also handy on brew day for handling hot (but not wet) ball valves and such.
  • These are not waterproof.  Safety Note: Always use caution when handling hot items or ingredients and always read and follow manufacturer directions.

G & F 1689L Dupont Nomex® & Kevlar® Heat Resistant Oven Gloves, for BBQ, Fireplace,and Grilling. Commercial Grade, Large, Sold by 1 Piece – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Fermentation Lids for Wide Mouth Mason Jars, Set of 4

Fermentation Lids Set of 4 - Fermentation Kit for Wide Mouth Mason Jars, Sauerkraut, Airlocks for Fermenting Lids, Air Lock Fermenter Burp Lids, Home Kimchi Kit

Fermentation Lids Set of 4 – Fermentation Kit for Wide Mouth Mason Jars, Sauerkraut, Airlocks for Fermenting Lids, Air Lock Fermenter Burp Lids, Home Kimchi Kit

More Info


Highlighted Features
  • FERMENTATION MADE EASY: Our BPA-free fermentation lids are designed for effortless use, making your fermentation journey smooth and enjoyable. With durable, high-quality construction, you can confidently create healthy, delicious ferments like kimchi, sauerkraut, or even small batches of wine or beer at home with ease.
  • PERFECT SEAL FOR WIDE MOUTH MASON JARS: Tailored for all brands of wide mouth mason jars, including Ball Jars, these lids ensure an airtight, reliable seal that keeps your ferments fresh and flavorful. Enjoy crisp, vibrant sauerkraut and pickles every time!
  • LOW MAINTENANCE, HIGH PERFORMANCE: Just fill the airlock lids with water and let it handle the rest! These low-maintenance lids offer a simple, stress-free fermentation jar process, maintaining the ideal environment for perfectly fermented foods without constant monitoring.
  • MAKE HOMEMADE FERMENTED FOODS AND SAVE MONEY: Enjoy the full flavor and health benefits of homemade ferments like kimchi, sauerkraut, and more, all without the preservatives or expense of store-bought options. With our kit, you can easily craft fresh, delicious fermented foods right in your kitchen—better taste, better health, and better savings!
  • REUSABLE SILICONE FLIP-TOP GROMMET: Convenient and reusable, our innovative silicone flip-top allows for easy transition from fermentation to storage. Extra grommets are included so you’re always prepared—you can replace a lost grommet anytime!
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You could use these as lids/airlocks for yeast starters made in compatible wide mouth jars and for yeast storage.  Or for making fermented foods like Sauerkraut and Kimchi.

Fermentation Lids Set of 4 – Fermentation Kit for Wide Mouth Mason Jars, Sauerkraut, Airlocks for Fermenting Lids, Air Lock Fermenter Burp Lids, Home Kimchi Kit – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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4 x Magnetic Stir Bars + Retriever

ANZESER 4 Pcs 30mm(1.8 inch) PTFE Magnetic Stirrer Mixer Stir Bar,Laboratory Bar,Stir Plate Bar + Black Stir Bar Retriever, Magnetic Retriever

Stir Bars + Retriever

More Info


Highlighted Features
  • Magnetic stirrer bars are constructed with a magnet assembled in and PTFE coating, resistant to corrosion and abrasion, nontoxic; durable and inert
  • They are a popular way of stirring liquids in modestly sized containers; perfect for chemistry and biology research, home-lab use; home brewers to make a yeast starter, or tinctures/salves
  • The Stir Bar Retriever follows the lines on the outside of the container to help you easily pick up the stir bar from the bottom of the container. Does not get wet. The perfect accessory for a black magnetic stirrer.
  • The package contains 4 magnetic stirring bars (8*30mm) + 1 stirring bar retriever
  • High & low temperature resistance: Maintain a good mechanical toughness between 196℃ ~250℃. Even if the temperature dropped to -196℃, it can also maintain a 5% elongation.
Learn More

 

  • 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 4?  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.

ANZESER 4 Pcs 30mm(1.8 inch) PTFE Magnetic Stirrer Mixer Stir Bar,Laboratory Bar,Stir Plate Bar + Black Stir Bar Retriever, Magnetic Retriever affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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StirStarter Magnetic Yeast Starter Plate – $39.99 w/coupon

The Stirstarter Yeast Stir Plate

The Stirstarter Yeast Stir Plate

This unit has two powerful NdFeB button magnets in the 12 VDC stir motor, which is controlled by a precision voltage regulator for easy speed adjustment. The RPMs of the drive motor are limited, so the motor will not “throw” the stir bar, yet it provides enough to get a good vortex going. A low voltage (110v), plug-in wall transformer provides power to the unit. The black plastic case dimensions are 6″ x 4″ x 2″, large enough to accommodate a 2000 mL flask . A Teflon coated 1″ x 5/16″ stir bar is included

(2″ stir bars are too long for this device, while we have had success using the 2″ bar, it will be “thrown” from the magnet when the motor is at high speeds, “why would you turn your stir plate to higher speeds?” you ask. We aren’t sure, but the coffee at McDonald’s is hot whether the word “HOT” is printed on the cup or not)

A “keeper” magnet is also supplied to lock the stir bar in place while the
yeast is pitched, so the stir bar won’t end up in your fermenter!

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.

I’ve used the StirStarter for years and it has worked very well for me.  I can wholeheartedly recommend it to you.  Check out our in depth Hands on Review!

This is selling for $49.99.

Save 20% – Adventures in Homebrewing is discounting equipment by 20% as part of a short sale

The Stirstarter Yeast Stir Plate – use coupon code BREWTOOLS

Also Consider: StirStarter Stir Plate – via Valuebrew – includes free shipping to US addresses

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This post contains affiliate links. We may make a commission when you use our links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Price, promotions and availability can change quickly. Check the product page for current price, description and availability.

4 x Magnetic Stir Bars + Retriever

ANZESER 4 Pcs 30mm(1.8 inch) PTFE Magnetic Stirrer Mixer Stir Bar,Laboratory Bar,Stir Plate Bar + Black Stir Bar Retriever, Magnetic Retriever

Stir Bars + Retriever

More Info


Highlighted Features
  • Magnetic stirrer bars are constructed with a magnet assembled in and PTFE coating, resistant to corrosion and abrasion, nontoxic; durable and inert
  • They are a popular way of stirring liquids in modestly sized containers; perfect for chemistry and biology research, home-lab use; home brewers to make a yeast starter, or tinctures/salves
  • The Stir Bar Retriever follows the lines on the outside of the container to help you easily pick up the stir bar from the bottom of the container. Does not get wet. The perfect accessory for a black magnetic stirrer.
  • The package contains 4 magnetic stirring bars (8*30mm) + 1 stirring bar retriever
  • High & low temperature resistance: Maintain a good mechanical toughness between 196℃ ~250℃. Even if the temperature dropped to -196℃, it can also maintain a 5% elongation.
Learn More

 

  • 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 4?  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.

ANZESER 4 Pcs 30mm(1.8 inch) PTFE Magnetic Stirrer Mixer Stir Bar,Laboratory Bar,Stir Plate Bar + Black Stir Bar Retriever, Magnetic Retriever affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Erlenmeyer Flasks on Electric Stovetop? Yeast Starters Using the Double Boiler Method

Yeast Starters on Electric Stovetops Using the Double Boiler Method

It is important for your safety to heat water in the flask with a heat source that distributes heat evenly. Morebeer! recommends using the “double boiler method.” This process involves using a boiling water bath on the outside of the flask to heat up the water inside the flask. All you need is a kettle 3 gallons or larger. This process is much safer and efficient. If the flask should break or boil over, your kettle will be there to collect the contents, thus keeping your stove clean and keeping you safe. – via MoreBeer

Related:

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Price, promotions and availability can change quickly. Check the product page for current price, description and availability. rp:b3doubleboiler

4 x 30mm/1.18″ PTFE Magnetic Stir Bars – $8.99, $2.25 each + free prime ship

4 Pcs 30mm(1.18 inch) PTFE Magnetic Stirrer Mixer Stir Bar,White Color,Laboratory Bar,Stir Plate Bar,Stir Plate Magnet,Stir Rod Magnetic

4 Pcs 30mm(1.18 inch) PTFE Magnetic Stirrer Mixer Stir Bar,White Color,Laboratory Bar,Stir Plate Bar,Stir Plate Magnet,Stir Rod Magnetic

More Info

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

  • 4 PTFE magnetic stir bars in 1 package.
  • PTFE magnetic stir bar is made of PTFE and high quality magnetic steel,its shape is cylindrical,smooth surface,reduce friction and improves smooth rotation.
  • Mixer Stir Bar is resistant to high temperatures, corrosion,abrasion and high rotational forces.
  • Laboratory Bar can be used with various types of magnetic stirrers or heating stirrers.
  • Stir Plate Magnet is widely used in scientific research, universities,laboratories in the industrial and agricultural sectors, and is often used to stir mixed liquids.

From HBF: 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.

 

  • 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 4?  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

2/5 5 AM Central: These are selling for $8.99. 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

4 Pcs 30mm(1.18 inch) PTFE Magnetic Stirrer Mixer Stir Bar,White Color,Laboratory Bar,Stir Plate Bar,Stir Plate Magnet,Stir Rod Magnetic – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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4 x Magnetic Stir Bars + Retriever

ANZESER 4 Pcs 30mm(1.8 inch) PTFE Magnetic Stirrer Mixer Stir Bar,Laboratory Bar,Stir Plate Bar + Black Stir Bar Retriever, Magnetic Retriever

Stir Bars + Retriever

More Info


Highlighted Features
  • Magnetic stirrer bars are constructed with a magnet assembled in and PTFE coating, resistant to corrosion and abrasion, nontoxic; durable and inert
  • They are a popular way of stirring liquids in modestly sized containers; perfect for chemistry and biology research, home-lab use; home brewers to make a yeast starter, or tinctures/salves
  • The Stir Bar Retriever follows the lines on the outside of the container to help you easily pick up the stir bar from the bottom of the container. Does not get wet. The perfect accessory for a black magnetic stirrer.
  • The package contains 4 magnetic stirring bars (8*30mm) + 1 stirring bar retriever
  • High & low temperature resistance: Maintain a good mechanical toughness between 196℃ ~250℃. Even if the temperature dropped to -196℃, it can also maintain a 5% elongation.
Learn More

 

  • 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 4?  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.

ANZESER 4 Pcs 30mm(1.8 inch) PTFE Magnetic Stirrer Mixer Stir Bar,Laboratory Bar,Stir Plate Bar + Black Stir Bar Retriever, Magnetic Retriever affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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10 x Magnetic Stir Bars

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar

More Info


Highlighted Features
  • These stir bars have a pivot ring around the center. They are designed to maintain the optimum position in vessels with curved or uneven bottoms. The ring helps to reduce vibrations and wear, and reduce the effects of friction from contact with the vessel.
  • Mixer stir bar is made of PTFE and quality magnetic steel.Not easy to demagnetize, will work longer than others.
  • The laboratory bar is chemical resistant and corrosion resistant; The maximum temperature is 250 degrees centigrade and the minimum temperature is -196 degrees centigrade.
  • Stirrer bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors as well as family usage.
  • Package includes 10pcs PTFE magnetic stir bar, dimensions: Φ7 × 20mm/0.8 inch.
Learn More

 

  • 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 10?  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

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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10 x Magnetic Stir Bars

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar

More Info


Highlighted Features
  • These stir bars have a pivot ring around the center. They are designed to maintain the optimum position in vessels with curved or uneven bottoms. The ring helps to reduce vibrations and wear, and reduce the effects of friction from contact with the vessel.
  • Mixer stir bar is made of PTFE and quality magnetic steel.Not easy to demagnetize, will work longer than others.
  • The laboratory bar is chemical resistant and corrosion resistant; The maximum temperature is 250 degrees centigrade and the minimum temperature is -196 degrees centigrade.
  • Stirrer bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors as well as family usage.
  • Package includes 10pcs PTFE magnetic stir bar, dimensions: Φ7 × 20mm/0.8 inch.
Learn More

 

  • 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 10?  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

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Heat Resistant Glove – G & F 1689L Dupont Nomex & Kevlar [Minding Yeast Starters & Brew Day]

G & F 1689L Dupont Nomex & Kevlar Heat Resistant Oven Gloves, for BBQ, Fireplace,and Grilling. Commercial Grade, Large, Sold by 1 Piece

G & F Heat Resistant Oven Glove, Large by G & F

More Info


Highlighted Features
  • Same material used by fire fighters
  • Maintains integrity and strength at high temperatures
  • Thermal regulating
  • Ambidextrous, fits right or left hand
  • Soft and pliable for easy grasp
Learn More

From HBF: 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.

 

  • I use a similar type of glove when I’m making yeast starters in an Erlenmeyer Flask.  It’s really handy (pun intended) to swirl around the flask or to quickly remove to keep the flask from boiling over.  These are also handy on brew day for handling hot (but not wet) ball valves and such.
  • These are not waterproof.  Safety Note: Always use caution when handling hot items or ingredients and always read and follow manufacturer directions.

G & F 1689L Dupont Nomex® & Kevlar® Heat Resistant Oven Gloves, for BBQ, Fireplace,and Grilling. Commercial Grade, Large, Sold by 1 Piece – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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2L Beaker, Yeast Starters and More

2000ml Beaker, Low Form Griffin, Borosilicate 3.3 Glass, Double Scale, Graduated, Karter Scientific 213D20 (Single)

2000ml Beaker, Low Form Griffin, Borosilicate 3.3 Glass, Double Scale, Graduated, Karter Scientific 213D20 (Single)

More Info


Highlighted Features
  • Capacity: 2000ml
  • Graduations: 100ml, from 200 to 2000ml
  • High quality inert 3.3 borosilicate glass
  • O.D. x Height(mm): 130 x 190 (approx.)
  • Packaged in heavy duty, custom cut, double-wall (BC Flute) corrugated box
Learn More

 

 

Use for yeast starters to increase cell counts to have better and more vigorous fermentations.

Beakers vs Erlenmeyer Flasks for yeast starters?  Beakers have a few advantages compared to Erlenmeyer flasks. They’re more space efficient, easier to clean and they seem to also generally have a price advantage. Erlenmeyer flasks have the advantage of a small opening that can take a stopper and airlock. An easy solution for beaker is a piece of sanitized foil and a rubber band.

2000ml Beaker, Low Form Griffin, Borosilicate 3.3 Glass, Double Scale, Graduated, Karter Scientific 213D20 (Single) – 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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This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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4 x 25mm/1″ PTFE Magnetic Stir Bars – $7.99, $2 each + free prime ship

4 Pcs 25mm(1 inch) PTFE Stir Bars

More Info


Highlighted Features
  • 4 PTFE magnetic stir bars in 1 package.
  • PTFE magnetic stir bar is made of PTFE and high quality magnetic steel,its shape is cylindrical,smooth surface,reduce friction and improves smooth rotation.
  • Mixer Stir Bar is resistant to high temperatures, corrosion,abrasion and high rotational forces.
  • Laboratory Bar can be used with various types of magnetic stirrers or heating stirrers.
  • Stir Plate Magnet is widely used in scientific research, universities,laboratories in the industrial and agricultural sectors, and is often used to stir mixed liquids.
Learn More

 

  • 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 4?  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

11/10 2 AM Central: These are selling for just $7.99. 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

4 Pcs 25mm(1 inch) PTFE Magnetic Stirrer Mixer Stir Bar,White Color,Laboratory Bar,Stir Plate Bar,Stir Plate Magnet,Stir Rod Magnetic – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Dolfinie Magnetic Stirrer + 3 Stir Bars, 3L Capacity

Dolfinie Magnetic Stirrer, Stir Plate with 3PCS Stir Bars (No Heating), Capacity 3000ml Magnetic Mixer

Dolfinie Magnetic Stirrer, Stir Plate with 3PCS Stir Bars (No Heating), Capacity 3000ml Magnetic Mixer

More Info


Highlighted Features
  • 【Compact Lightweight Design】 The lightweight design makes it easy to use anytime, anywhere in the mobile car or while traveling and working. What's more making your scientific research, homemade wine and yeast starter easier.
  • 【Small but Powerful】This magnetic stirrer with corrosion-resistant panel and a quality micro high-speed motor, allows maximum speed up to 3000rpm, and max. mixing capacity up to 3000ml.
  • 【Widely Use】The magnetic mixer is designed for stirring in scientific research, health and medicine, homebrew, such as brew yeast starters, wine making, Juice mixing, wine decanting and etc.
  • 【Easy Use】Stepless adjustable stirring speed with range 300 to 3000 rpm. The magnetic stir comes with stir bar (7*30mm) and 12V/1A power adapter (US standard).
  • If any questions or suggestions, our customer service team will get back to you in 24 hours.
Learn More

 

Use this in combination with an Erlenmeyer Flask 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.

Note from HBF: Beaker is not included

If you’re looking for something with a full 5L capacity consider StirStarter XL 5L Stir Plate

Dolfinie Magnetic Stirrer, Stir Plate with 3PCS Stir Bars (No Heating), Capacity 3000ml Magnetic Mixer– 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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Up to 120 deg C… 20 x 50 mm Foam Stoppers

20 Pieces Foam Stopper Plastic Foam Plug 50mm Openings for Tubes and Flasks, Beer Making, Yeast Starter

20 Pieces Foam Stopper Plastic Foam Plug 50mm Openings for Tubes and Flasks, Beer Making, Yeast Starter

More Info

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

  • Autoclavable: yes
  • Material: borosilicate glass
  • Tolerance (ml): 0.05
  • Description: erlenmeyer flask, glass, 2000 ml, 1/pk
  • Graduation interval (ml): 400

Made with durable borosilicate 3.3 glass and featuring a heavy-duty rim with narrow-mouth opening there are very few applications these flasks cannot handle. Economical option for everyday use flasks easy read graduations withstands wide temperature range -50 to 550ºc graduated tolerances to 0.05 autoclavable.

 

50 mm is about 2″. Since this is foam it has some flexibility.

Also Consider: StirStarter Stir Plate – via Valuebrew – includes free shipping to US addresses

20 Pieces Foam Stopper Plastic Foam Plug 50mm Openings for Tubes and Flasks, Beer Making, Yeast Starter – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link


More Fermentation Related!

 


This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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10 x Magnetic Stir Bars

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar

More Info


Highlighted Features
  • These stir bars have a pivot ring around the center. They are designed to maintain the optimum position in vessels with curved or uneven bottoms. The ring helps to reduce vibrations and wear, and reduce the effects of friction from contact with the vessel.
  • Mixer stir bar is made of PTFE and quality magnetic steel.Not easy to demagnetize, will work longer than others.
  • The laboratory bar is chemical resistant and corrosion resistant; The maximum temperature is 250 degrees centigrade and the minimum temperature is -196 degrees centigrade.
  • Stirrer bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors as well as family usage.
  • Package includes 10pcs PTFE magnetic stir bar, dimensions: Φ7 × 20mm/0.8 inch.
Learn More

 

  • 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 10?  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

10 Pcs 20mm/0.8 Inch Magnetic Stirrer Mixer Stir Bar, Laboratory Bar, Stir Plate Bar – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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Reader Tip: Dolfinie Magnetic Stirrer + 3 Stir Bars, 3L Capacity

Thanks to HBF Reader Adrian for this tip!  Let’s be friends!  8 Ways to Connect with HBFDolfinie Magnetic Stirrer, Stir Plate with 3PCS Stir Bars (No Heating), Capacity 3000ml Magnetic Mixer

Dolfinie Magnetic Stirrer, Stir Plate with 3PCS Stir Bars (No Heating), Capacity 3000ml Magnetic Mixer

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Highlighted Features
  • 【Compact Lightweight Design】 The lightweight design makes it easy to use anytime, anywhere in the mobile car or while traveling and working. What's more making your scientific research, homemade wine and yeast starter easier.
  • 【Small but Powerful】This magnetic stirrer with corrosion-resistant panel and a quality micro high-speed motor, allows maximum speed up to 3000rpm, and max. mixing capacity up to 3000ml.
  • 【Widely Use】The magnetic mixer is designed for stirring in scientific research, health and medicine, homebrew, such as brew yeast starters, wine making, Juice mixing, wine decanting and etc.
  • 【Easy Use】Stepless adjustable stirring speed with range 300 to 3000 rpm. The magnetic stir comes with stir bar (7*30mm) and 12V/1A power adapter (US standard).
  • If any questions or suggestions, our customer service team will get back to you in 24 hours.
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Use this in combination with an Erlenmeyer Flask 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.

Note from HBF: Beaker is not included

If you’re looking for something with a full 5L capacity consider StirStarter XL 5L Stir Plate

Dolfinie Magnetic Stirrer, Stir Plate with 3PCS Stir Bars (No Heating), Capacity 3000ml Magnetic Mixer– 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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This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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8 x Magnetic Stir Bars

PTFE Magnetic Stirrer Mixer Stir Bar Set, White Color, Laboratory Bar, Stir Plate Bar, Stir Plate Magnet (25 mm/ 1 Inch and 30 mm/ 1.18 Inch, 8)

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Highlighted Features
  • Package including: come with 8 PTFE magnetic stir bars in 1 package, sufficient for meeting your daily use needs
  • Material: PTFE magnetic stir bar is made of PTFE and quality magnetic steel, its shape is cylindrical, smooth surface, reduce friction and improve smooth rotation
  • Feature: mixer stir bar is resistant to high temperatures, corrosion, abrasion and high rotational forces; Fine workmanship, no impurities and burrs on the surface, stable speed and no deviation
  • Application: laboratory bar can be applied with various types of magnetic stirrers or heating stirrers
  • More other uses: stir plate magnet is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors, and is often applied to stir mixed liquids
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  • 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 8?  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

PTFE Magnetic Stirrer Mixer Stir Bar Set, White Color, Laboratory Bar, Stir Plate Bar, Stir Plate Magnet (25 mm/ 1 Inch and 30 mm/ 1.18 Inch, 8) – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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4 x 25mm/1″ PTFE Magnetic Stir Bars

4 Pcs 25mm(1 inch) PTFE Stir Bars

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Highlighted Features
  • 4 PTFE magnetic stir bars in 1 package.
  • PTFE magnetic stir bar is made of PTFE and high quality magnetic steel,its shape is cylindrical,smooth surface,reduce friction and improves smooth rotation.
  • Mixer Stir Bar is resistant to high temperatures, corrosion,abrasion and high rotational forces.
  • Laboratory Bar can be used with various types of magnetic stirrers or heating stirrers.
  • Stir Plate Magnet is widely used in scientific research, universities,laboratories in the industrial and agricultural sectors, and is often used to stir mixed liquids.
Learn More

 

  • 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 4?  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

4 Pcs 25mm(1 inch) PTFE Magnetic Stirrer Mixer Stir Bar,White Color,Laboratory Bar,Stir Plate Bar,Stir Plate Magnet,Stir Rod Magnetic – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link

This post contains affiliate links. We may make a commission when you use our Amazon links. This will never cost you extra. Thank you for supporting Homebrew Finds!

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