The "heart" of the airlock system is the Masontops lid. It is heavy-duty and highly resistant to absorbing any aromas or odors from fermentations. I have used Masontops lids on homemade pickled peppers and kim chi, as well as on other items for several years...and I am impressed with their quality! Integral to the lid is the thick, heavy-duty, silicone sealing ring, which is replaceable, should it need to be replaced. The sealing ring is also removable for thorough washing/cleaning. It appears that the silicone grommet in the lid is also easily replaceable, if that is ever needed. The airlocks are well designed...and the stopper plug for refrigerated storage without changing lids, completes the airlock system.
I've been fermenting for decades...wine, beer, sauerkraut, chili peppers and full sour pickles. As with most things, I began with a "kit" or a "starter set" (model railroading, here). Kits are basically good to see if you are really interested in learning more about the "skills" needed to pursue that interest/hobby. So too, it was, with Mason Jar fermentation. Mason jars have their limits...they need "headspace", so whatever you are fermenting is limited to roughly 50%-80% of the jar's stated capacity...and "more" headspace creates fewer "issues" than "not enough", especially in the early, comparatively "violent" stages of fermentation. My first Mason jar "kit" included 3 lids with integral "waterless" airlocks, 3 fermentation weights (stones) and a vacuum pump (large syringe)...and a recipe book which, well...it is what it is, as it were. Air, particularly oxygen and the air-borne, wild bacteria and mold spores, are NOT friendly to fermentations; and the vacuum pump was a bit of a "joke"...more "well, it won't do any harm"; but I seriously question it's functional value. Basic rule is that you don't break a fermentation "seal" unless there is still a sufficiently active ferment present that will re-establish the necessary carbon dioxide "buffer" in the headspace. "Sampling" actively fermenting foods, including wine or beer, reveals precious little about the finished product. Fermentation is complete when it's done...and not before...period. That said, there is really nothing safer than a properly maintained, water-filled, correctly functioning airlock for a "closed system"...in this case, the jar and the lid/airlock with the sealing ring. I will state that I am NOT interested in the probiotic value/benefit of the fermented foods, I ferment for TASTE...my goal is to make them shelf-stable (sterile canning) or refrigerate them for relatively immediate consumption upon the completion of the ferment. The ONLY truly usable item that I found in the original kit was the fermentation weights with their molded-in "finger grab"; but even with most wide-mouth Mason jars "of size", there is still a small shoulder to contend with, so that may pose challenges, depending on what one is fermenting. Fermentation "springs" and "gates" may offer increased functionality for some food items. Needless to say, my first Mason jar fermentation kit was quite disappointing; but at least I learned what NOT to buy/use!
The waterless, one-way airlocks may have their place for some folks, but NOT in "my kitchen"! There is no visual indication that they are functioning...and they are rather easily subjectable to damage that may not be easily discernable. I and my wife have reached an age where "large scale for home use", crock-based fermentations of sauerkraut, peppers and pickles result in far more than we can use. The amount of canning and/or refrigerator space requirements means that large-scale fermentations are simply NOT as much fun as they once were! Mason jar ferments are small enough to make it all FUN again; but even on a small scale, there is absolutely no substitute for quality components and "sound" fermentation and preservation practices.
Fermentology's Sauer System lids and airlocks ARE the quality components that you really need to make every ferment as successful as it can be!!!
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Product Description
The Fermentology Sauer System uses water to create an oxygen barrier that handles burping bubbling ferments automatically so you don’t have to. This is an easy DIY pickle method and makes fermenting and pickling a breeze. All you need to do is add your fresh vegetables to a wide mouth Mason jar, pour in a salt water brine, set up the complete airlock system and let Fermentology do the rest. When the ferment is complete, you’ll have tangy, sour and probiotic nourished vegetables that are a great source of vitamins. Simply remove the airlock and add the silicone stopper to turn the airlock lid into a sealed Tough Top for fridge storage. Each airlock setup includes 1x airlock, 1x Tough Top lid (includes silicone gasket and grommet), and a silicone stopper; 4 airlock setups come in a pack. Make kraut, like premium probiotic sauerkraut, pickles, garlic vegetable mixes, and traditional German, Polish and Chinese dishes, or try your hand in brewing homemade kombucha, mead, super kefir and kvass. You can even ferment your own garden harvest, like peppers, carrots, and more! The Fermentology Sauer System can be used with a variety of other Fermentology or Masontops supplies, including a fermentation weight, pebble or stone, pounder, tamper, storage top, and reused for year upon year of use. You can get all your equipment for fermenting from Fermentology!
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Make Sauerkraut, Pickles, Kimchi and MoreThe Sauer System is designed specifically for fermenting in Mason jars. All you need are some glass jars with a wide mouth, your favorite veggies, and some salt. Mason and canning jars are perfect for fermenting in because of their convenient size and popularity – you probably already own many! |
Traditional and Reliable MethodWater barrier airlocks are a tried-and-true way to keep oxygen from spoiling ferments, while also automatically venting gas build up. 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! |
Make Probiotic SuperfoodsFermented vegetables are a good source of probiotics and are easy to make at home. When a vegetable is fermented, it not only takes on a pleasantly sour and tangy taste and becomes naturally preserved, but it also maintains it’s original nutrients with the addition of probiotics. |
Includes Storage Lids and StoppersEach airlock equipment set up includes a grommet fitted lid that either an airlock or stopper can be fitted into, depending on if you’re in fermenting or storing mode. The included Mason jar top is fitted with a silicone gasket for an airtight seal and can serve a number of uses besides fermenting! |
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Sized for Everyday UseCeramic crocks and large fermenting containers take up a lot of unnecessary kitchen space in your home fermentation station. Mason jars and the Sauer System are the perfect set up for the every day home fermenter. Active ferments can easily be kept in kitchen cupboards and drawers to save counter space and reduce clutter. |
Food Safe, Quality MaterialsAll Fermentology products are made of food safe and high-quality plastics and silicones. The items included in this box kit are BPA-free and phthalate-free. All of our fermenting equipment is designed in-house by a group of avid fermenters in Toronto, Canada. |
Part of a Suite of Fermentation ProductsThis set is one of many fermentation tools Fermentology has to offer. Our other products include waterless airlocks with pumps, fermentation weights, and vegetable tampers. We have equipment for all styles and levels of experience when it comes to lacto fermenting vegetables. |
Compare with similar items
This Item  Fermentology Sauer System Fermentation Airlocks – Lids, Grommets, Gaskets, Stoppers – for Wide Mouth Mason Jars – 4 Pack |  |  |  |  |  | |
| Price | $21.99 | $16.99 | $29.97 | $13.55 | $19.99 | $15.96 |
| Delivery | Get it as soon as Wednesday, May 15 | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 |
| Customer Ratings | ||||||
| Easy to use | ||||||
| Value for money | ||||||
| Easy to clean | ||||||
| Sold By | Genuine Essentials | Hopstitch Designs | Cure Lids | Sophico | ROHOSEL | xuxingtiy |
| material | — | Plastic | Plastic | Silicone | Plastic | Silicone, Plastic |
| number of pieces | 4 | 4 | 7 | 4 | 6 | 3 |
| shape | Round | Round | Round | Round | Round | Round |
| closure type | — | Lid | — | Lid | Buckle | Cap,Lid |
| microwaveable | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| dishwasher safe | ✓ | ✓ | — | ✓ | ✓ | — |
Reviews with images
Thanks Fermentology!
This product arrived promptly, and as soon as I had it sanitized I started my first mead brew! There was one component missing from one of the sets, but Fermentology replaced the entire set immediately. Customer service was friendly, too. I rated a 4 only because my ferment is not yet complete, so maybe I can follow up in a few weeks. Happy brewing!
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Top reviews from other countries
Creative Works Canada
Excellent Product - Highly Recomend
Reviewed in Canada on December 19, 2023Style Name: Wide Mouth 4PKVerified Purchase
Fred H. MacKenzie
Useful
Reviewed in Canada on October 22, 2023Style Name: SMALL Mouth 4PKVerified Purchase
DanieldervUniverse
Pratico ed efficace
Reviewed in Italy on January 22, 2023Style Name: Wide Mouth 4PKVerified Purchase
Miss A LL Rowland
Great System
Reviewed in the United Kingdom on October 14, 2022Style Name: Wide Mouth 4PKVerified Purchase
Julia
1a Kundenservice
Reviewed in Germany on October 4, 2022Style Name: Wide Mouth 4PKVerified Purchase
