The 8 Best glass Airlocks For Fermentation (2023 reviews)

Vintage shop glass airlock for fermentation is the epitome of what a great airlock should be. These Airlocks Work Great for Fermenting Vegetables. It allows for gases to escape without external agents (fruit flies/gnats) to reach the must. It is great for making hard cider. It allows co2 to escape to add to that works for beer, wine or vegetable fermentations.

These are BPA free, and no numbers appear stamped into the plastic. The design allows for variations in temperature during the racking process. These make good stocking stuffers for home brewers, as having extras on hand means you can toss one out if it breaks or gets too gunked up for your liking, and they're inexpensive.

Why We Like This:

You will be able to clearly see when the gasses stop passing through
Keeps oxygen, bacteria, and bugs out of your brew while letting co2 escape
Purpose of use is great used in fermented foods
Max fill line clearly visible makes for easy use

Best For kombucha: Fermentology glass Airlock For Fermentation

Buy on Amazon

The fermentology glass airlock for fermentation's superior materials makes sure that it ages well with use. The inner chambers of the fermentology sauer system are strategically designed to effectively block air and vent gas so you don’t need to worry about your prep going to waste. They are made to fit a WIDE MOUTH mason jar. The airlock allows the co2 formed inside the jar during the fermentation process to escape and prevents air from entering, thus maintaining the proper fermentation environment. The locks would work well for wine, beer.

The silicone stopper turns the airlock lid into a tough top mason jar lid for storing ferments in the fridge. It is made of food safe and high-quality plastics and silicones. The airlocks are well designed,and the stopper plug for refrigerated storage without changing lids, completes the airlock system. It is easy to use and provide a tight seal, they stretch and seal around the carboy opening. It is an easy diy pickle method and makes fermenting and pickling a breeze.

Why We Like This:

Great for fermenting vegetables or making hooch
Great for fermenting sauerkraut and dill pickles
Fits jars well and easy to use and clean
A modern and effective take on cork/hard silicone bungs

Best For large bung openings: Fastrack glass Airlock For Fermentation

Buy on Amazon

Next on the list, we've got yet another airlock that manages to win our hearts. It's the fastrack glass airlock for fermentation and it's widely considered as airlock that has the most suitable features. These carboy bungs work very well in a glass carboy. It fits many (but not all) apple juice containers directly. The inners of the lock are basically a tube protruding from the bottom and a cylindrical piece that isn't connected. The rubber is safe for alcohol and gases like carbon dioxide.

These are nice and solid. There is a fill line on the plastic airlock so you can see how much sanitizer or vodka to add.

Why We Like This:

Works well and keeps the oxygen out
Fit two different sized glass carboys
Fits great in the 6 gallon glass carboy
Holds a seal, lets co2 and whatnot out

Best For bottle: Brewland glass Airlock For Fermentation

Buy on Amazon

We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate airlock. The brewland glass airlock for fermentation is exactly that - it's a simple airlock that hits all the right notes. This bubble airlock is simple to use, you can dry out the stopper and the inside neck of fermenter to prevent slipping, and fill up the airlock to the fill line with liquid. They come with small grommets for a bucket and with corks for a jar. The airlocks are great and the rubber/silicone. It is ideal for making home brew beer, wine, and perfect to suit homemade mead, sauerkraut, kimchi, kombucha, pickles, grape juice and so on.

These are well made and sturdy enough that they should stand up to routine use. It is easy to take apartand clean. It is perfect for the hobby brewer and works great.

Why We Like This:

Prompt arrival, strong construction, plastic not fragile
Perfect suit homemade mead, sauerkraut, kimchi, kombucha, pickles, grape juice
Good product for fermentation of mead
Can be pushed right into the carboy, unless you're really careful

Best For Brewing or water purification Set UPS: Aieve glass Airlock For Fermentation

Buy on Amazon

The aieve glass airlock for fermentation should be able to handle its purpose and duties with ease. Dispensing bottles have a different neck than standard glass carboys. It is easy to use and fit like a glove. It fits 5 gal glass carboys and 5 gal plastic water bottles as well. It is suitable for 3/5/6 gallon glass carboy, can be used as the fermentation airlock auxiliary tools for fermentation of wine, beer, and food.

The orange carboy cap for airlocks for fermenting fits tightly around the carboy mouth, and the two openings of fermentation lids are convenient for attaching or inserting tubes, airlocks, siphons, or racking canes. They are made to fit on the top of large glass carboys with an opening approximately 2" across the rim. It is easy to use on multiple carboy containers.

Why We Like This:

Fit snugly on carboyeasy access port for syphon
Feels quite sturdy and fits the water gallon perfectly
Great cap for 3 and 5 gallon carboys

Best With brewers: molovee glass Airlock For Fermentation

Buy on Amazon

For a low asking price, molovee glass airlock for fermentation has managed to overwhelm their customers by packing as many features as they could. If you want to keep a shipshape home brewing operation, the 3-piece airlock is the only way to go. This simple tool, the airlock, not only makes fermenting easier but aids in producing safe and healthy food. It fits perfectly into the #6 stopper with a tight fit and no leaks, nice and sturdy. This also means the grommet will fit loosely in the hole and since you have to push so hard to insert the airlock, you'll want to hold the grommet from the underside to make sure it doesn't push out.

The actual bungs slip and pop out of the openings like they would rather be roasted alive than seal the carboy. It is easy to see fermentation activity. It is much easier to clean, has better air' release, not as likely to blow cap off top if too much pressure is released. You can use it for fermenting vegetables or wine making.

Why We Like This:

You can easily see the whole fermentation process
Great for mead and wine making
Easy fermenting get jobs done easily

Best PREMIUM: Fermentaholics glass Airlock For Fermentation

Buy on Amazon

These airlocks are the standard tool for fermenting. Strong and durable, these airlocks will keep you brewing and fermenting for years to come. The airlock preserves an anaerobic environment for your ferment by preventing oxygen and other elements from entering your batch while allowing the proper release of co.

These are drilled rubber stoppers that fit into a variety of different brewing vessels, and each stopper measurement is specified in the product pictures. You can use these airlocks to make different wines, red, white, sparkling, and dessert. The airlocks are easily washed and sanitized, and because they’re transparent you can observe the fermentation process. The airlocks are bPA fee and made from 100% food safe materials.

Why We Like This:

Environment necessary for a variety of fermentations
Perfect for all your home fermentations
Good investment for long term

Best Easy To Use: Zazolyne glass Airlock For Fermentation

Buy on Amazon

Next on the list, we've got yet another airlock that manages to win our hearts. It's the zazolyne glass airlock for fermentation and it's widely considered as airlock that has the most suitable features. Different than other normal 3-piece airlocks in the market, its made of healthy material, more harder and more transparent. This simple tool, the airlock, not only makes fermenting easier but aids in producing safe and healthy food. It fits perfectly into the #6 stopper with a tight fit and no leaks, nice and sturdy.

The piece airlock is the perfect choice for the primary fermenter, since it comes apart for easy cleaning in the event of a blow. Each piece in the kit is set up to work together to provide you with the proper tools to produce healthy food in a simple system. They simply help to prevent many of the problems that can occur during the fermentation process. If you want to keep a shipshape home brewing operation, the 3-piece airlock is the only way to go.

Why We Like This:

You can easily see the whole fermentation process
Easy fermenting get jobs done easily
Good investment for long term