Can these be used to make mead?

They probably could... BUT you won't get carbonation built up in mead with these because any carbonation bubbles will escape through the top resulting in flat mead, beer, kombucha(I didn't get any carbonation), which is how I know. These lids are meant for fermented apple cider vinegar or fermented fruits and vegetables where fizz is not desired. They will keep ferments of these foods from exploding or oozing out of jar. I haven't made mead, but I presume you want it fizzy like beer, right? So, best bottles are Grosch beer brewing bottles. Lots of carbonation over several days if it takes as long as my kombucha does. Don't burp them either or fizz will go flat. Amazon has many vendors of these bottles. a Six pack of 15 oz bottles will cost between 14.00 and 18.00 for a box and they are perfect for fizziness. You can get different sizes as well, but I recommend short broad Grosch bottles because they fit easier in the fridge. Best of luck and hope this helped. maureen

Once the fermentation process is complete, would I remove this lid and put a regular, wide mouth lid in its place?

Once fermentation is complete there is no reason to keep venting process going. Place regular lid on jar and move to refrigerator. Wash venting lid parts in soapy water.

What is the recommended method for sterilizing the seals?

Use StarSan for sterilizing all of the components of my fermentation equipment.

Has anyone made kvass with these?

https://www.youtube.com/watch?v=6OsLi9mHeQs Different jar, but these will work.

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Jillmo Fermentation Lids for Wide Mouth Mason Jars, Stainless Steel Auto Venting Fermenting Lid Kit with Airlocks & Silicone Grommets for Pickles, Kimchi & Sauerkraut, 4 Pack, No Jars Included

Product ID: 49743299

Details

Brand
JILLMO
Color
silver
Material
Stainless
Product Dimensions
3.38"L x
Style
wide mouth lid

♻️Reusable & replaceable grommets

🌬️BPA-free airlocks for gas release

🛠️4-pack stainless steel lids

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Description

🥒 Unlock the art of effortless fermentation—jar your own flavor revolution!

NO MORE DAILY BURPING - Auto-venting airlocks release gas while keeping contaminants out—perfect for busy pros.
FITS ALL STANDARD JARS - Compatible with 3.38-inch (86mm) wide mouth jars from 8 oz to 64 oz for versatile batch sizes.
DURABLE STAINLESS STEEL BUILD - Long-lasting, rust-resistant lids designed for repeated use and easy cleaning.
EFFORTLESS FERMENTATION SETUP - Transform any wide mouth mason jar into a pro-grade fermenter in seconds.
BONUS GROMMETS 1 YEAR SUPPORT - Extra silicone seals included plus peace of mind with a full year replacement warranty.

The Jillmo Fermentation Lids Kit includes 4 stainless steel lids, BPA-free airlocks, and silicone grommets designed to fit standard 3.38-inch wide mouth mason jars (8-64 oz). This reusable, auto-venting system simplifies home fermentation by releasing gas without daily burping, ensuring a cleaner, beginner-friendly process. Durable and dishwasher safe, it comes with spare grommets and a 1-year replacement guarantee, making it the ultimate upgrade for pickling, kimchi, sauerkraut, and kombucha enthusiasts.

Specifications

ASIN	B075LRMRDQ
Best Sellers Rank	#19,987 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #43 in Brewing & Fermentation Fermenters
Brand Name	JILLMO
Closure Type	Twist Lug
Color	silver
Customer Reviews	4.6 4.6 out of 5 stars (4,711)
Included Components	86mm fermentation lid with seal4, BPA-FREE airlock4, Ring4, Silicone grommet6
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions L x W	3.38"L x 3.38"W
Item Weight	9.6 ounces
Manufacturer	JILLMO
Manufacturer Part Number	43178-147305
Material Type	Stainless Steel
Model Number	43178-147305
Number of Pieces	4
Product Style	wide mouth split fermentation lid with airlock
Shape	Round
UPC	606829878778
Unit Count	4 Count

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