Wilma Fermentation Jar
Best fermentation vessel for small-batch enthusiasts and home beginners.
Discover the joy of fermentation with the Wilma Fermentation Jar from Sarah Kersten Studio. Perfect for beginners and small-batch enthusiasts, this 2-quart crock simplifies creating sauerkraut, kimchi, and pickles. Its ancient waterlock seal design ensures an oxygen-free environment, crucial for successful fermentation. Handcrafted in Oakland, California, this durable stoneware piece is as beautiful as it is functional, designed to enhance your kitchen and meals. Embrace the art of fermentation with this intentionally made ceramic vessel.
$140.00
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 275
#2 in Fermentation & Pickling Crocks
Price vs Category Average
+28%
Above average
Capacity
2
/ quarts
Who it's for
- Health-focused cooks wanting non-reactive, long-lasting stoneware vessels
- Design-conscious home cooks seeking beautiful, heirloom-quality kitchen tools
- Fermentation enthusiasts prioritizing reliable, traditional anaerobic environments
Who should skip it
- Budget-minded shoppers preferring affordable, mass-produced glass options
- Users needing lightweight, shatterproof equipment for busy kitchens
- Beginners who rely on visual inspection to monitor fermentation progress
Performance breakdown
Seal Integrity
The traditional waterlock design creates a perfect oxygen-free environment for ferments.
Aesthetic Appeal
Handcrafted stoneware that serves as a beautiful centerpiece for any kitchen.
Ease of Use
Simple, intuitive design makes small-batch fermentation accessible for absolute beginners.
Build Quality
Durable, food-safe glazed ceramic built to last for generations of use.
Batch Capacity
Ideal for small-batch enthusiasts but limited for those scaling up production.
Maintenance Effort
Hand-wash requirement is a minor trade-off for such high-quality artisan stoneware.
Key Specs
Capacity
2 quarts
Material
Glazed Ceramic
Care Instructions
Hand wash recommended
Dimensions
7"H
Includes fermentation weights
Finish Type
Food-Safe Glaze
Country of Origin
USA
Fermentation Seal Type
Water Seal
Features
- Ideal for beginners and small batches
- Ancient waterlock seal for oxygen-free fermentation
- Handcrafted artisan stoneware
- Enhances meals and home aesthetics
- Includes essential stoneware weights
- Durable and functional design
What customers say
The Wilma Fermentation Jar is highly regarded as an heirloom quality tool for dedicated home fermenters. Users consistently celebrate its exceptional aesthetic, viewing the durable stoneware as functional art that elevates the kitchen. The heavy construction inspires confidence in its longevity and stability. Functionally, the traditional water seal system reliably produces successful, odor free ferments. Reviewers value thoughtful details like the comfortable handling and superior ceramic weights. While the premium price point is noted, customers feel the artisanal craftsmanship and high performance justify the investment for serious hobbyists. Overall satisfaction is extremely high for this blend of enduring beauty and top tier function.
Know before you buy
The waterlock seal creates an airtight, oxygen-free environment by allowing gases to escape while preventing outside air from entering. This is essential for successful fermentation, as it helps prevent mold growth and keeps your ferments crisp.
Yes, the Wilma Fermentation Jar comes with essential stoneware weights. These are designed to keep your vegetables fully submerged in the brine, which is a critical step for safe and effective fermentation.
Absolutely. The 2-quart capacity is ideal for those just starting out or for anyone who prefers making smaller, manageable batches of sauerkraut, kimchi, or pickles.
The jar is finished with a food-safe glaze, but we recommend hand washing to preserve the integrity of the ceramic. Avoid using harsh abrasives to ensure the finish remains in good condition over time.
Yes, the durable stoneware construction and reliable water seal make it well-suited for both short-term ferments and longer-term projects. Just ensure the water channel is kept filled to maintain the seal throughout the process.
Still have a question?
Ask Hayley anything about this product before you decide.