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7pack Maintenance airlock waterless fermentation lids for wide mouth mason jars. Make Sauerkraut, Kimchi, Pickles, any fermented vegetable probiotic foods. BPA, mold free, dishwasher safe.

Free shipping on orders over $29.99

$19.99

$ 8 .99 $8.99

In Stock

About this item

  • Automatically vent gas. No need to burp jars or maintain water levels in airlock.
  • Built-in date dial on the lid. Twist pointer to finished date. No need to write anything down.
  • Fun DIY fermentation canning tool. Fit on top of all types of wide mouth mason glass jars.
  • Great for making Sauerkraut, Kimchi, Pickles or any fermented vegetable probiotic foods
  • Simple one piece low profile design. No messing with multiple bulky pieces.
  • Excellent vegan gifts, vegetarian gift, gut biome health conscious gift
  • Click the link below to buy the 7 glass weight with handle to match with the 7 lids: https://www.amazon.com/dp/B08DDHR8ND



Product Description

Mason jar fermentation lid

Debra L. Greek
Reviewed in the United States on February 24, 2025
I have used these lids multiple times and love them. Being able to dial the date is fantastic!
Kelly V.
Reviewed in the United States on February 13, 2025
These are awesome! They work really well. I liked them so much I bought three sets. The recipe book is awesome, too. Thank you, Patrick!
Charlie
Reviewed in the United States on August 30, 2024
The quality is good and the airlocks work great. I would recommend them if you are planning to use canning jars for fermenting. I am waiting to see how well they standup under sanitizing for the next time I use them.
Aurelio Bianco
Reviewed in the United States on August 22, 2024
I admit it I was very skeptical. I decided to pickle watermelon and in 3 days my metal lids looked like they had been crushed and folded by some giant. I found these and got them on immediately. Yes, they puffed up and if you put your nose close you could smell the delicious aroma. But...no leaks, no damage and when the time was up the watermelon was terrific. Washed them up, they look like new and will use them again.Beats the water seal lids hands down.
Customer
Reviewed in the United States on August 19, 2024
I’ve been fermenting just a couple of years and have tried a lot the of gadgets and gizmos that are out there. These silicone lids eliminate the need to “burp” your jars, fit easily with ring screw bands that you probably already have, and the handy date dial on top also eliminates the need for sticky notes or markers to remember the “done by” date. I appreciate the fact they didn’t come with a bunch of useless plastic add on things that just cause more waste. They were packaged in a compact cardboard box, love the efficiency of this product all the way around. Highly recommend!
JMK
Reviewed in the United States on October 8, 2024
I've had perfect sourdough starter since using these lids. Never a problem, perfect rising, and perfect fermentation. Forget cheap options like cheesecloth or foil, buy these. Money well spent!!!
GenuineImitation
Reviewed in the United States on October 4, 2024
Love these for my small batch kraut! easy to use and don't take up any space. Make sure to keep them super clean along with your crock. Love that they are multi-colors and easy to set the date.
@CurbyTheVan
Reviewed in the United States on October 3, 2024
They work properly and even prevent contamination to a point when our tomatoes & garlic ferment started creating a vacuum after a couple months.
Margarita Garfias
Reviewed in Mexico on July 23, 2023
Perfectas! Totalmente lo que esperaba
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