Fermentation Airlocks | 3-Piece and 2 Chamber

Reusable Airlocks for Brewing, Winemaking, Cider, Mead, Kombucha and Fermentation

Fermentation Airlocks are essential tools for homebrewing, winemaking, cider making, mead, kombucha, and other fermentation projects. Designed to fit into compatible drilled stoppers, rubber bungs, and grommeted fermentation lids, airlocks allow carbon dioxide to escape from the fermenter while helping prevent oxygen, dust, and airborne contaminants from entering.

Available in 3-piece and 2 chamber styles, these reusable airlocks are practical, beginner-friendly, and easy to use. They help create a cleaner, more controlled fermentation environment for carboys, buckets, jars, and other compatible fermentation vessels.

Available Types

• 3-Piece Fermentation Airlock
• 2 Chamber Fermentation Airlock

Key Features

• Two Airlock Styles: Available in 3-piece and 2 chamber designs.
• Fermentation Control: Allows CO₂ to escape while helping block oxygen, dust, and airborne contaminants.
• Compatible Fit: Designed for use with compatible drilled stoppers, rubber bungs, and grommeted fermentation lids.
• Reusable Design: Practical for repeated fermentation use when cleaned and stored properly.
• Easy to Use: Fill with water or sanitizer solution and insert into your fermentation setup.
• Homebrew and Winemaking Essential: Useful for beer, wine, cider, mead, kombucha, fruit wine, and other fermented beverages.
• Visual Fermentation Monitoring: Helps show fermentation activity through bubbling during active fermentation.
• Small-Batch Friendly: Great for carboys, buckets, jars, fermenters, and DIY beverage projects.

3-Piece Fermentation Airlock

The 3-piece fermentation airlock is designed for easy cleaning, sanitizing, and reuse. Its removable parts make it simple to take apart after fermentation, rinse thoroughly, and prepare for the next batch.

This style is a practical choice for brewers and winemakers who want an airlock that is easy to clean between uses.

Best For:

• Beer brewing
• Winemaking
• Cider making
• Mead making
• Kombucha
• Small-batch fermentation
• Carboys
• Buckets
• Grommeted lids
• Drilled stoppers
• Easy cleaning and reuse

2 Chamber Fermentation Airlock

The 2 chamber fermentation airlock is a classic airlock style that makes it easy to visually monitor fermentation activity. As CO₂ escapes, bubbles move through the chambers, giving a simple visual indication that fermentation is active.

This style is simple, effective, and popular for both beginner and experienced brewers.

Best For:

• Homebrewing
• Winemaking
• Cider making
• Mead making
• Kombucha
• Fermentation monitoring
• Carboys
• Fermentation buckets
• Jars
• Drilled bungs
• Grommeted lids

Common Uses

Use Fermentation Airlocks for homebrewing, winemaking, cider making, mead making, kombucha, fruit wine, small-batch fermentation, carboys, buckets, jars, fermenters, drilled stoppers, rubber bungs, grommeted lids, and other compatible fermentation setups.

How to Use

1. Clean and Sanitize: Clean and sanitize the airlock before use.
2. Fill Airlock: Add clean water or sanitizer solution to the recommended fill level.
3. Insert Into Stopper or Lid: Place the airlock into a compatible drilled stopper, rubber bung, or grommeted lid.
4. Attach to Fermenter: Secure the stopper or lid onto your fermenter.
5. Monitor Fermentation: Watch for bubbling during active fermentation.
6. Clean After Use: Disassemble if applicable, rinse, clean, dry, and store properly.

Frequently Asked Questions

• Q: What is a fermentation airlock used for?
  A: A fermentation airlock allows carbon dioxide to escape during fermentation while helping prevent oxygen, dust, and airborne contaminants from entering the fermenter.
• Q: What types are available?
  A: Available types include 3-piece fermentation airlocks and 2 chamber fermentation airlocks.
• Q: What is the difference between a 3-piece airlock and a 2 chamber airlock?
  A: A 3-piece airlock comes apart for easier cleaning, while a 2 chamber airlock provides a simple classic design for visual fermentation monitoring.
• Q: Can I use these airlocks for beer and wine?
  A: Yes. They are suitable for compatible beer, wine, cider, mead, kombucha, fruit wine, and other fermentation projects.
• Q: Do I need a stopper or bung?
  A: Yes. Airlocks are designed to fit into compatible drilled stoppers, rubber bungs, or grommeted fermentation lids.
• Q: What should I fill the airlock with?
  A: Most users fill the airlock with clean water or sanitizer solution according to their fermentation process.
• Q: Can I reuse the airlock?
  A: Yes. Clean, sanitize, dry, and store properly between uses.
• Q: Does bubbling mean fermentation is complete?
  A: No. Bubbling can show activity, but a hydrometer reading is the best way to confirm fermentation progress and completion.

Important Use Notes

• Use with compatible drilled stoppers, rubber bungs, or grommeted fermentation lids.
• Stopper, bung, lid, fermenter, sanitizer, and other fermentation supplies are sold separately unless included.
• Fill with water or sanitizer solution according to your fermentation process.
• Do not let the airlock run dry during fermentation.
• Clean and sanitize before each use.
• Replace if cracked, damaged, or difficult to clean.
• Bubbling is a helpful sign of activity, but it should not be the only way to confirm fermentation progress.
• Use a hydrometer to confirm fermentation completion before bottling.
• Follow proper cleaning, sanitation, and beverage production practices.

Shipping options and costs are shown at checkout before you pay.

• Shipping policy
• Refund policy

Not sure this is the right fit, or stuck partway through a batch? We're happy to help.

• Call toll-free: 1-877-668-6160