Fermentation Jars
Fermentation Jars shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Top 23% of 5,777 Home & Garden niches · +7 vs the category median of 51
Is Fermentation Jars profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Fermentation Jars is a £152K/yr Amazon United Kingdom market (200K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 58/100.
Fermentation Jars: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -20.6% over the last 90 days and 4.3% of searches end in a purchase.
£152K
revenue / yr
Who owns the niche?
The top 5 brands hold 70% of demand, so 30% of the market is open.
30%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 45 products
Top Fermentation Jars products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Kilner 3 Litre Fermentation Set Airtight Glass Jar with Silicone Lid Air Lock Ceramic Weights & Recipe Booklet Ideal for Sauerkraut Kimchi & Pickles
- Price
- £20.21
- Rating
- 4.4/5
- Reviews
- 1,833
- Age
- 9y ago
volila Fermentation Jars 1.4 Litre 2 Pack Fermenting Jar with Airlock 1 Way Air Release Vent Ideal for Kimchi Jar Sourdough Jar and Sauerkraut Fermentation Jars
- Price
- £11.19
- Rating
- 4.3/5
- Reviews
- 468
- Age
- 2y ago
volila Fermentation Jars 2.2 Litre 2 Pack Fermenting Jar with Airlock 1 Way Air Release Vent Ideal for Kimchi Jar Sourdough Jar and Sauerkraut Fermentation Jars
- Price
- £11.91
- Rating
- 4.3/5
- Reviews
- 468
- Age
- 2y ago
Fermentation Jars 2 Pack 2L Kimchi Container Fermenting Jar with Airlock Perfect for Fermentation Kimchi Sauerkraut Sourdough Starter Kefir Glass Jars with Lids
- Price
- £16.14
- Rating
- 4.5/5
- Reviews
- 38
- Age
- 10mo ago
SwiftSlot 1.5L Fermentation Jars with Weights & Air Lock Fermenting Kit for Sauerkraut Kimchi Kombucha and Pickles 2 Pack
- Price
- £25.90
- Rating
- 4.4/5
- Reviews
- 108
- Age
- 1y ago
Trending
90-day click momentum
YBCPACK 2 Pack 2L Glass Fermentation Jars with Weight & Airlocks-Wide Mouth
- Price
- £20.02
- Rating
- 4.1/5
- Reviews
- 9
- Age
- 4mo ago
PIuertoRick Fermenting Jar 2 Pack with Airlock - 2L for Safe Fermentation for Kefir Kimchi Sauerkraut Sourdough Starter - Silicone Lids & Fermentation Weights - Fermentation Jars 2 Pack (Full Set)
- Price
- £20.88
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 4mo ago
volila Fermentation Jars 2.2 Litre 2 Pack Fermenting Jar with Airlock 1 Way Air Release Vent Ideal for Kimchi Jar Sourdough Jar and Sauerkraut Fermentation Jars
- Price
- £11.91
- Rating
- 4.3/5
- Reviews
- 468
- Age
- 2y ago
Fermentation Jars 2 Pack 2L Kimchi Container Fermenting Jar with Airlock Perfect for Fermentation Kimchi Sauerkraut Sourdough Starter Kefir Glass Jars with Lids
- Price
- £16.14
- Rating
- 4.5/5
- Reviews
- 38
- Age
- 10mo ago
AULEEP 2L Fermentation Jars with Fermentation Weights & Fermenting Airlock 2-Set Fermenting Kit for Ssauerkraut kimchi kombucha fruits vegetables pickled vegetables sourdough starter etc.
- Price
- £22.62
- Rating
- 4.1/5
- Reviews
- 20
- Age
- 8mo ago
Newest
by launch datePIuertoRick Fermenting Jar 2 Pack with Airlock - 2L for Safe Fermentation for Kefir Kimchi Sauerkraut Sourdough Starter - Silicone Lids & Fermentation Weights - Fermentation Jars 2 Pack (Full Set)
- Price
- £20.88
- Rating
- 4.5/5
- Reviews
- 2
- Age
- 4mo ago
YBCPACK 2 Pack 2L Glass Fermentation Jars with Weight & Airlocks-Wide Mouth
- Price
- £20.02
- Rating
- 4.1/5
- Reviews
- 9
- Age
- 4mo ago
AULEEP 2L Fermentation Jars with Fermentation Weights & Fermenting Airlock 2-Set Fermenting Kit for Ssauerkraut kimchi kombucha fruits vegetables pickled vegetables sourdough starter etc.
- Price
- £22.62
- Rating
- 4.1/5
- Reviews
- 20
- Age
- 8mo ago
Hejo 2L Fermentation Jar with Airlock and Screw Lids Fermentation Bucket with Adjustable Time Scale Kimchi Container Mead Making Kit Fermenting Kit for Kimchi Sauerkraut Kombucha Pickles
- Price
- £13.20
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 8mo ago
Fermentation Jars 2 Pack 2L Kimchi Container Fermenting Jar with Airlock Perfect for Fermentation Kimchi Sauerkraut Sourdough Starter Kefir Glass Jars with Lids
- Price
- £16.14
- Rating
- 4.5/5
- Reviews
- 38
- Age
- 10mo ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
Brands
24 rising
Sellers
68
Top-5 brand share
70%
Top 20: 98%
Top-5 click share
39%
Top 20: 82%
Open market
25%
- HEFTMAN19%
- volila17%
- Kilner17%
- SwiftSlot11%
- YUEYEE6%
- lakeland5%
Fermentation Jars demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Dec · busiest ÷ quietest = 1.9×
Top Fermentation Jars search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- fermentation jars88K/yr
- fermenting jar20K/yr
- fermentation jar16K/yr
- kimchi jar14K/yr
- fermentation kit13K/yr
- fermenting jars10K/yr
- sauerkraut fermentation jar9K/yr
- fermentation jars with weights6K/yr
- fermenting jars with weights6K/yr
- kilner fermentation jar5K/yr
What reviews say buyers love and hate about Fermentation Jars
What buyers mention most, as a share of all reviews.
What buyers love
78% of reviews“Quality jar”
“Good quality nice size”
“Good value”
“Does the job”
“Large capacity”
What buyers complain about
59% of reviews“Wish jar was larger”
“Breaks Easily”
“its not reliable at all”
“is a slightly thicker glass”
“Flimsy inner seal”
Fermentation Jars return rate & reasons
Why buyers send it back, as a share of all return requests.
0.4%
Return rate
81%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Fermentation Jars questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
