Will these work for making kefir?

If making Kefir requires a fermentation process, and the vessel you make it in fits the silicone top the. Yes, it will work fine. I’ve started putting mine in the dishwasher( top rack only) to. Lean them before using them. Pretty good product.

Does this stay on securely enough that I could shake a drink with ice in a mason jar using this lid?

I just tried it! I filled the quart jar 1/2 full of ice, filled it to the neck with water, put the lid on and shook it over the sink briskly. It worked fine, but I would use caution still. Mine are new as well so I'm not sure about it over time. My kim chi loves them...

Can these be used for sous vide?

I don’t know. I use for sourkraut

Can these lids be used in F2 when making Kombucha?

Yes if it’s the same size container. Events fermentation, gases well.

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SOPHICO Fermentation Lids for Wide Mouth Jars - Waterless Airlock Fermentation Kit - Mason Jar Fermenter Caps, Perfect for Any Fermented Probiotic Foods (4 Set, Jars Not Included) (MIX-WIDE MOUTH)

SOPHICO Fermentation Lids for Wide Mouth Jars - Waterless Airlock Fermentation Kit - Mason Jar Fermenter Caps, Perfect for Any Fermented Probiotic Foods (4 Set, Jars Not Included) (MIX-WIDE MOUTH)

Product ID: 453438192

Details

Brand
SOPHICO
Colour
MIX-WIDE MOUTH
Item weight
0.15 Kilograms
Material
Plastic
Style
['Jar']

💨One-way waterless valve auto vents gas

🧼Dishwasher safe for effortless cleaning

🛡️100% food-grade silicone, BPA-free

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$34.58

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Description

🌿 Unlock the future of effortless fermentation—your probiotic journey starts here!

HASSLE FREE CLEANUP - Dishwasher safe design means less time cleaning, more time fermenting
EFFORTLESS GAS RELEASE - Self-burping valve vents fermentation gases without water or manual burping
DURABLE SAFE MATERIAL - Made from premium, BPA-free silicone that’s tough, flexible, and food-safe
BEGINNER FRIENDLY FERMENTATION - No extra lids or pumps needed—perfect for first-timers and pros alike
VERSATILE PROBIOTIC POWERHOUSE - Ideal for fermenting kimchi, sauerkraut, pickles & more—unlock gut health at home

SOPHICO Fermentation Lids are premium silicone caps designed for wide mouth mason jars, featuring a waterless one-way valve that automatically vents fermentation gases. This 4-piece set is BPA-free, dishwasher safe, and perfect for beginners and experts to easily ferment a variety of probiotic-rich foods like kimchi, sauerkraut, and pickles without the need for water or manual burping.

Specifications

ASIN	B09NPGLRN3
ASIN	B09NPGLRN3
Best Sellers Rank	#129,985 in Home ( See Top 100 in Home ) #211 in Kitchen & Dining
Brand Name	SOPHICO
Closure Type	Screw
Color	MIX-WIDE MOUTH
Customer Reviews	4.5 4.5 out of 5 stars (809)
Customer reviews	4.5 4.5 out of 5 stars (809)
Date First Available	8 February 2022
Is the item dishwasher safe?	Yes
Is the item microwaveable?	Yes
Item Weight	0.15 Kilograms
Item model number	WIDE MOUTH
Manufacturer	SOPHICO
Manufacturer	SOPHICO
Material Type	Plastic, Silicone
Model Number	WIDE MOUTH
Number of Pieces	4
Package Dimensions	8.99 x 8.79 x 8.71 cm; 150 g
Product Style	['Jar']
Shape	Round
UPC	612677839335

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