S-Shaped Double-Bubble Airlock for Fermenters

S-Shaped Airlock (Air Lock) – Reliable Fermentation Protection

Simple, Effective, and Essential for Any Home Fermenter

The S-Shaped Airlock (also known as an air lock) is a must-have for homebrewers and fermenters looking for a hassle-free, low-maintenance solution to protect their fermentations. Whether you're making beer, wine, mead, cider, or kombucha, this single-piece airlock offers reliable CO₂ release while preventing oxygen, wild yeast, and bacteria from sneaking in and ruining your batch.

Why Choose an S-Shaped Airlock?

• One-Piece Design: No moving parts to clean, lose, or break—perfect for beginners and pros alike.
• Crystal Clear Plastic: Easily monitor fermentation activity as bubbles pass through.
• Fits Most Fermenters: Designed to fit standard stoppers and fermenter lids snugly and securely.
• Food-Grade Material: Made from durable, high-quality, BPA-free plastic that's built to last batch after batch.

Usage Tips for Best Results

• Use Star San Instead of Water: Fill your airlock with Star San solution to provide additional protection during slow fermentations or temperature fluctuations that can create a vacuum and draw liquid back into your fermenter.
• Monitor Bubble Activity: Keep an eye on fermentation progress by watching the rate of CO₂ bubbles—more bubbles mean a more active fermentation.
• Easy Setup: Simply insert the airlock into a drilled stopper or grommeted lid and fill it to the appropriate line.

Perfect For

• Beer Brewing
• Wine Fermentation
• Mead Making
• Hard Cider
• Kombucha
• Other Fermented Beverages

Specifications

• Material: Food-grade plastic
• Design: S-shaped, double-bubble configuration
• Compatibility: Works with most standard fermenter lids and #6 - #7 stoppers

Whether you call it an airlock or air lock, this S-shaped fermentation lock is a dependable and cost-effective choice for any fermentation setup. It’s easy to use, easy to clean, and delivers consistent results—batch after batch.