Fermentation Kit
FailThe top 5 brands take 95% of clicks, so Fermentation Kit is a Fail.
- Flapen Score
- 44 / 100Ranks 7,719 of 11,240 Home & Kitchen niches · −5 vs the category median of 4944
- Market size
- $175K/yr125K searches / yr
- 90-day growth
- +13.4%search demand this quarter
- Competition
- 69%top-5 click share · 8 brands · 35 sellers
Flapen Score
Fermentation Kit against its category
The dotted line is the Home & Kitchen average. Past it, Fermentation Kit is stronger. Inside it, weaker.
Market
The Fermentation Kit market on Amazon at a glance
Shoppers on Amazon United States searched for Fermentation Kit 125K times last year and spent an estimated $175K. The top 5 brands take 95% of clicks. Demand peaks in Jan–Aug–Sep. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 5.0% of those searches ended in a purchase.
Shoppers searched for this 125K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.0% of those searches ended in a purchase. Searches in the last 90 days moved +13.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $175K a year.
- Searches, last 12 months
- 125K
- Growth, 90 days vs prior 90
- +13.4%
- Conversion, latest week
- 5.0%
- Market size, estimated
- $175Ka year
- Peak month
- August2.5× the quietest month
- Top search term
- masontops23K searches a year
02 · Price
A sale here is worth $27.78.
Listings sell for $27.78 on average, from $12.84 to $54.59. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $27.78 that is $14K to $21K a year per listing.
- Average price
- $27.78inside the $15 to $100 sweet spot
- Price range
- $12.84–$54.59
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $14K–$21K
- Returns
- 1.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
94% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.9% of listings are out of stock. The average listing ranks #46 within Canning. It carries 3,102 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 94%
- Prime listings
- 100%
- Out of stock, average day
- 3.9%
- Average rank
- #46in Canning
- Average rating
- 4.63 starsAmazon United States average 4.42 stars
- Average reviews
- 3,102per listing
- Listings tracked
- 17
04 · Newcomers
4 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 4 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
- 4
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top Fermentation Kit 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
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

Masontops Complete Mason Jar Fermentation Kit - Easy Small/Regular Mouth Jars Vegetable Fermenting Set - DIY Equipment Essentials
- Price
- $49.08
- Rating
- 4.7/5
- Reviews
- 744
- Age
- 5y ago

Masontops Pickle Pipes - Airlock Fermentation Lids - Fermentation Kit For Wide Mouth Mason Jar Sauerkraut & Pickle Kit - Fermentation Jar Not Included
- Price
- $23.88
- Rating
- 4.7/5
- Reviews
- 4,701
- Age
- 9y ago

Masontops Fermentation Jar Starter Set Easy Vegetable Fermentation Kit Includes Mason Jar Pickle Kit with Fermentation Lids & Fermentation Weight
- Price
- $26.78
- Rating
- 4.6/5
- Reviews
- 517
- Age
- 5y ago

Masontops Pickle Pipes - Airlock Fermentation Lids - Fermentation Kit for Small Mouth Mason Jar Sauerkraut & Pickle Kit Fermentation Jar not Included
- Price
- $21.24
- Rating
- 4.7/5
- Reviews
- 4,701
- Age
- 10y ago
Trending
estimated 90-day click momentum
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

Masontops Multi Top - 2 Pack - Wide Mouth Mason Jar Lids with Easy Pour Spout and Flip Cap Sip Pour Store & More - Lid Accessories For Mason Jars
- Price
- $13.84
- Rating
- 4.6/5
- Reviews
- 8,491
- Age
- 8y 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

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 Tough Tops - Regular Mouth Mason Jar Lids BPA-Free Multi Color Plastic Reusable Dry Canning fit Ball Jars (Ball not included)
- Price
- $14.71
- Rating
- 4.6/5
- Reviews
- 4,637
- Age
- 6y 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

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

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

Master Fermentation Kit for Wide Mouth Mason Jars Incl 2x Jars and Weights
- Price
- $51.73
- Rating
- 4.6/5
- Reviews
- 17
- Age
- 8mo ago

Fermentation Kit for Wide Mouth Mason fermentation Jar for Pickling & More
- Price
- $25.74
- Rating
- 4.5/5
- Reviews
- 283
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 falling
Sellers
35
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
69%
Top 20: 100%
Open market
3%
- Masontops83%
- SOLIGT4%
- VSAPRDT3%
- IceFun2%
- ANZHIRUOSU2%
- Ultimate2%
- Open — no brand owns it (2 brands, 3%)
Demand
Fermentation Kit search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Aug, Sep · busiest ÷ quietest = 2.5×
Search terms
Top Fermentation Kit search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- masontops23K/yr
- fermenting22K/yr
- masontops fermentation kit22K/yr
- mason tops16K/yr
- mason tops fermentation kit15K/yr
- fermentation lids and weights6K/yr
- masontops complete fermentation kit3K/yr
- fermentation kit wide mouth5K/yr
- ball fermentation kit5K/yr
- mason fermentation kit4K/yr
Reviews and returns
What reviews say buyers love and hate about Fermentation Kit
We read the reviews and the return reasons for every product selling here.
“especially for the price”
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 Kit 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









