Fermentation Equipment

Take control of your fermentation with equipment that delivers consistent, predictable results. From The Catalyst Fermentation System to reliable airlocks, carboys, and temperature controllers, Craft a Brew has everything you need for clean, worry-free fermentation.

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The Catalyst Fermentation System
The Catalyst Fermentation System
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3 Piece Airlock
Regular price $2.50
3 Piece Airlock
Extra Fermenter Kit
Extra Fermenter Kit
Regular price $22.99
Extra Fermenter Kit
Fermometer
Fermometer
Regular price $2.99
Fermometer
Polycarbonate Triple Scale Hydrometer
Polycarbonate Triple Scale Hydrometer
Regular price $9.99
Polycarbonate Triple Scale Hydrometer
Carboy Rubber Stopper
Regular price $1.99
Carboy Rubber Stopper
Hop Straining Bag
Hop Straining Bag
Regular price $5.99
Hop Straining Bag
Deluxe Hydrometer Gravity Testing Kit
Deluxe Hydrometer Gravity Testing Kit
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1 Gallon Carboy
Regular price $12.50
1 Gallon Carboy
Spare Catalyst Lid Seal
Spare Catalyst Lid Seal
Regular price $9.99
Spare Catalyst Lid Seal
5/16" Transfer Tubing
Regular price $3.50
5/16" Transfer Tubing
8 Oz. Mason Jar (Yeast Catch)
Regular price $3.99
8 Oz. Mason Jar (Yeast Catch)
32 Oz. Mason Jar
Regular price $4.99
32 Oz. Mason Jar
Kombucha Heat Wrap
Kombucha Heat Wrap
Regular price $34.99
Kombucha Heat Wrap
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The Hex - 3 Piece Airlock
The Hex - 3 Piece Airlock
Regular price $3.79
The Hex - 3 Piece Airlock
Kombucha Jar with Valve
Kombucha Jar with Valve
Regular price $34.99
Kombucha Jar with Valve
Elastic Kombucha Jar Cover
Elastic Kombucha Jar Cover
Regular price $5.00
Elastic Kombucha Jar Cover
The Stasis (Glycol Chiller)
Regular price $749.00
The Stasis (Glycol Chiller)
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Thermowell and Stopper (The Stasis)
Regular price $24.99
Thermowell and Stopper (The Stasis)
Twin Bubbler Airlock
Twin Bubbler Airlock
Regular price $2.50
Twin Bubbler Airlock
Neoprene Catalyst Cover (The Stasis)
Regular price $30.00
Neoprene Catalyst Cover (The Stasis)
2 Gallon Fruit Wine Fermenting Bucket
Regular price $14.99
2 Gallon Fruit Wine Fermenting Bucket
10” Plastic Test Jar
Regular price $4.99
10” Plastic Test Jar
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Kombucha Cloth & Rubber Band
Regular price $4.00 Sale price$5.00
Kombucha Cloth & Rubber Band
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Kombucha Jar
Kombucha Jar
Regular price $24.99
Kombucha Jar
Beer Hose Clamp
Beer Hose Clamp
Regular price $1.75
Beer Hose Clamp
Reusable Brew Bag - BIAB
Reusable Brew Bag - BIAB
Regular price $16.99
Reusable Brew Bag - BIAB
1/2” Transfer Tubing
Regular price $4.49
1/2” Transfer Tubing
Beer Brewing Yeast Starter Kit
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6.5 Gallon Glass Carboy
Regular price $99.99
6.5 Gallon Glass Carboy
Kombucha Jar Gasket
Kombucha Jar Gasket
Regular price $3.99
Kombucha Jar Gasket
500 mL Erlenmeyer Flask
Regular price $12.99
500 mL Erlenmeyer Flask
Clean Bottle Express® Degasser
Clean Bottle Express® Degasser
Regular price $15.99
Clean Bottle Express® Degasser
Foam Stopper for Erlenmeyer Flask
Foam Stopper for Erlenmeyer Flask
Regular price $2.99
Foam Stopper for Erlenmeyer Flask
Glass Triple Scale Hydrometer
Regular price $8.99
Glass Triple Scale Hydrometer
1000ml Erlenmeyer Flask
Regular price $17.99
1000ml Erlenmeyer Flask

Fermentation Equipment for Homebrewers

Fermentation is where your brew transforms from ingredients into something truly special. With Craft a Brew’s Fermentation Equipment, you’ll have the precision and reliability needed for consistent results every time. Our collection includes professional-grade fermenters, airlocks, hydrometers, and accessories that simplify the fermentation process and eliminate the guesswork.

Whether you’re fermenting beer, mead, kombucha, or wine, our tools help you manage temperature, oxygen, and yeast activity for optimal flavor and clarity.

Shop Our Fermentation Essentials

Recommended Resources

Frequently Asked Questions

What is the best fermenter for beginners?

The Catalyst Fermentation System is a great choice for beginners thanks to its all-in-one design that simplifies transfers and reduces the risk of contamination.

How do I control fermentation temperature?

Use a WiFi Temperature Controller or a Kombucha Heat Wrap to maintain steady temps for consistent fermentation.

Why use an airlock on my fermenter?

An airlock allows CO₂ to escape without letting oxygen or contaminants in, helping protect your brew during fermentation.

How do I know when fermentation is complete?

Measure the specific gravity using a hydrometer on consecutive days; if it remains steady, fermentation is done.

Can I reuse fermentation equipment?

Yes — thoroughly clean and sanitize your equipment after each use with One Step No Rinse Cleanser to prevent off-flavors or infection.

Ferment with Confidence

Craft a Brew’s Fermentation Equipment collection was designed to make every batch more consistent and stress-free. From beginners to advanced brewers, you’ll find everything you need to create your next great ferment.

Shop Fermentation Equipment