Mason Jar Fermentation Kit - Easy Grip Waterless Airlock Lids

In this review of the Mason Jar Fermentation Kit, the bottom line is simple: this kit is best for home cooks who want a no-fuss way to make small-batch sauerkraut, kimchi or other lacto-ferments using wide mouth jars. The single biggest reason to buy is the waterless airlock lids that automatically release gas and block oxygen so jars do not need burping, making the process much less intimidating for beginners while still useful for experienced fermenters.

Key Features

• No-burp waterless valve: The lid's valve automatically releases fermentation gas and blocks oxygen so users do not have to manually burp jars during fermentation.
• Low profile design: The low profile lids fit easily into cupboards and allow filled wide mouth jars to store conveniently on shelves.
• Food-grade BPA-free material: Constructed from hard, durable plastic with a thick leak-proof gasket to reduce spills and contact with non-food-safe surfaces.
• Easy Grip tabs: The original four-tab design provides comfortable leverage for opening jars when ferments are ready, which simplifies final handling.
• Date reminder and weights: Built-in date reminder helps track fermentation timing while the included weights keep vegetables submerged under brine for consistent results.

Who It's For

The kit suits beginners and casual fermenters who want a straightforward setup for small-batch ferments in standard wide mouth mason jars, particularly for sauerkraut, kimchi and pickled cabbage. It is also useful for cooks who value a compact, cupboard-friendly solution and dislike the regular maintenance of water-filled airlocks.

Serious hobbyists who ferment large volumes, use specialized fermenting crocks, or need glass-only components may look elsewhere; the kit centers on convenience and compact jars rather than heavy-duty, professional equipment.

Pros & Cons

Pros

• Waterless valve eliminates routine burping, simplifying the fermentation process.
• Durable, food-grade BPA-free plastic and a thick gasket provide a secure, leak-resistant seal.
• Low profile lids and weights allow jars to be stored neatly in cupboards and keep produce submerged under brine.

Cons

• Build quality impressions are mixed among users, with some reporting solid construction and others noting concerns.
• Some customers find the weights difficult to grasp or remove, which can complicate handling in filled jars.

Specifications

Product type	Mason jar fermenting kit
Compatibility	Wide mouth mason jars
Lid style	Low profile waterless airlock lid with four-tab Easy Grip
Material	Food-grade BPA-free hard plastic with leak-proof gasket
Includes	4 Easy Grip lids, fermenting weights and pump
Primary use	Sauerkraut, kimchi and other lacto-fermentation

Our Verdict

The Mason Jar Fermentation Kit is a sensible starter option for home fermenters who want a tidy, low-effort method to make small batches in wide mouth jars. Its waterless airlock and date reminder make fermentation approachable and the included weights help produce reliable ferments, offering good value for cooks who prioritize convenience over heavy-duty gear.

Frequently Asked Questions

Do the lids require burping?
The waterless valve automatically releases gas and blocks oxygen so burping is not required during normal use.

Will these fit in standard wide mouth jars?
Yes, the lids are designed specifically for wide mouth mason jars and are low profile to allow cupboard storage.

Are the materials food safe?
The lids are made from food-grade BPA-free plastic and include a thick leak-proof gasket for safe contact with brine and vegetables.