Fermentation Jar
PassFermentation Jar scores 68 out of 100, a Pass. Shoppers spend an estimated $1.1M a year here, search demand grew +11.5% this quarter, and an estimated 1.5% of orders come back.
- Flapen Score
- 68 / 100Top 2% of 11,240 Home & Kitchen niches · +19 vs the category median of 4968
- Market size
- $1.1M/yr810K searches / yr
- 90-day growth
- +11.5%search demand this quarter
- Competition
- 33%top-5 click share · 28 brands · 56 sellers
Flapen Score
Fermentation Jar against its category
The dotted line is the Home & Kitchen average. Past it, Fermentation Jar is stronger. Inside it, weaker.
Market
The Fermentation Jar market on Amazon at a glance
Shoppers on Amazon United States searched for Fermentation Jar 810K times last year and spent an estimated $1.1M. The top 5 brands take 53% of clicks. Demand peaks in Jul. Flapen scores it 68 out of 100, a Pass.
01 · Demand
An estimated 4.7% of those searches ended in a purchase.
Shoppers searched for this 810K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.7% of those searches ended in a purchase. Searches in the last 90 days moved +11.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.1M a year.
- Searches, last 12 months
- 810K
- Growth, 90 days vs prior 90
- +11.5%
- Conversion, latest week
- 4.7%
- Market size, estimated
- $1.1Ma year
- Peak month
- July1.5× the quietest month
- Top search term
- fermentation jar298K searches a year
02 · Price
A sale here is worth $29.98.
Listings sell for $29.98 on average, from $11.17 to $56.67. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 250 to 500 of them. At $29.98 that is $7K to $15K a year per listing.
- Average price
- $29.98inside the $15 to $100 sweet spot
- Price range
- $11.17–$56.67
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $7K–$15K
- Returns
- 1.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
98% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #232 within Canning. It carries 732 reviews at 4.60 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 98%
- Prime listings
- 98%
- Out of stock, average day
- 2.4%
- Average rank
- #232in Canning
- Average rating
- 4.60 starsAmazon United States average 4.42 stars
- Average reviews
- 732per listing
- Listings tracked
- 57
04 · Newcomers
16 of last year's 30 launches cleared the first-year sales bar.
30 products launched here in the last 12 months. 16 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 30
- Successful launches
- 16Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top Fermentation Jar products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Aug 5, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
4-Pack Mason Jar Fermentation Kit With Four 32 Oz Jars And Plastic Lids
- Price
- $37.29
- Rating
- 4.6/5
- Reviews
- 149
- Age
- 8mo ago

Masontops Complete Mason Jar Fermentation Kit - Pickle Kit Sauerkraut Making Kit Kimchi Container - Fermentation Airlock Lids Wide Mouth Mason Jars
- Price
- $54.59
- Rating
- 4.8/5
- Reviews
- 4,768
- Age
- 10y ago

JILLMO 1.5L Wide Mouth Glass Fermentation Jar with Airlock & Weight 2 Pack
- Price
- $34.05
- Rating
- 4.5/5
- Reviews
- 1,812
- Age
- 6y ago

Hersolm 64oz/2L Fermentation Jars with Airlocks & Weights 2 Pack
- Price
- $34.41
- Rating
- 4.5/5
- Reviews
- 47
- Age
- 8mo ago

32 oz Mason Jar Fermentation Kit 2 Pack Fermentation Jars Fermentation Lids Fermenting Weights and Airlocks Complete Fermenting Kit for Making and Storing SauerkrautPack of 2
- Price
- $20.84
- Rating
- 4.5/5
- Reviews
- 173
- Age
- 1y ago
Trending
estimated 90-day click momentum
Glolaurge 1.8L Wide Mouth Fermentation Jars with Airlocks 2-Pack
- Price
- $17.44
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 9mo ago

Qianfenie Upgrade 1 Gallon Fermentation Jar with Airlocks 2 Pack Glass Jar
- Price
- $44.77
- Rating
- 4.9/5
- Reviews
- 58
- Age
- 9mo ago

Glolaurge Fermenting Jars 1.5L Fermentation Kit With Glass Weights 2-Pack
- Price
- $20.36
- Rating
- 4.7/5
- Reviews
- 65
- Age
- 9mo ago

Ultimate Fermentation Kit to Make Probiotic Vegetables: Sauerkraut Kimchi Pickles w/FREE Digital Guide 3 Fermenting Springs & Venting Lids for Easy Pickling in Wide Mouth Mason Jars (Not Included)
- Price
- $22.03
- Rating
- 4.7/5
- Reviews
- 65
- Age
- 3mo ago

Hersolm 64oz/2L Fermentation Jars with Airlocks & Weights 2 Pack
- Price
- $34.41
- Rating
- 4.5/5
- Reviews
- 47
- Age
- 8mo ago
Newest
by launch date
Ultimate Fermentation Kit to Make Probiotic Vegetables: Sauerkraut Kimchi Pickles w/FREE Digital Guide 3 Fermenting Springs & Venting Lids for Easy Pickling in Wide Mouth Mason Jars (Not Included)
- Price
- $22.03
- Rating
- 4.7/5
- Reviews
- 65
- Age
- 3mo ago

Hersolm 4 Pack Fermentation Kit for Wide Mouth Mason Jar (No Jars)
- Price
- $29.38
- Rating
- 4.4/5
- Reviews
- 72
- Age
- 6mo ago

Fermenting weights wide mouth Mason Jar Fermentation Kit with 4 Fermentation Lids 4 Glass fermentation Weights 4 Airlocks for Fermenting 5 Silicone Rings & Grommets - Pickling kitNo Jars
- Price
- $15.74
- Rating
- 4.5/5
- Reviews
- 42
- Age
- 7mo ago

Dobyusf Fermentation Kit for Wide Mouth Mason Jars 4- Complete Pickling & Sauerkraut Set with Glass Weight Stainless Steel Lid Air Lock Valve Silicone Seals (Jar Not Included)
- Price
- $13.23
- Rating
- 4.5/5
- Reviews
- 57
- Age
- 7mo ago

4-Pack Mason Jar Fermentation Kit With Four 32 Oz Jars And Plastic Lids
- Price
- $37.29
- Rating
- 4.6/5
- Reviews
- 149
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 33% of clicks, no more. An open shelf where new products get seen.
Brands
28 rising
Sellers
56
Est. top-5 brand share
53%
Top 20: 93%
Est. top-5 click share
33%
Top 20: 67%
Open market
43%
- Masontops15%
- JILLMO11%
- IceFun10%
- Glolaurge9%
- Hersolm8%
- Qianfenie4%
Demand
Fermentation Jar search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.5×
Search terms
Top Fermentation Jar search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- fermentation jar298K/yr
- fermentation kit172K/yr
- fermenting jar63K/yr
- fermentation54K/yr
- fermenting kit35K/yr
- fermenting jars33K/yr
- sauerkraut fermentation kit26K/yr
- fermentation jars26K/yr
- mason jar fermentation kit16K/yr
- fermenting supplies16K/yr
Reviews and returns
What reviews say buyers love and hate about Fermentation Jar
We read the reviews and the return reasons for every product selling here.
“Very large”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Fermentation Jar questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









