Star San
FailThe top 5 brands take 100% of clicks, so Star San is a Fail.
- Flapen Score
- 48 / 100Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 4948
- Market size
- $607K/yr162K searches / yr
- 90-day growth
- +10.5%search demand this quarter
- Competition
- 95%top-5 click share · 5 brands · 27 sellers
Flapen Score
Star San against its category
The dotted line is the Health & Household average. Past it, Star San is stronger. Inside it, weaker.
Market
The Star San market on Amazon at a glance
Shoppers on Amazon United States searched for Star San 162K times last year and spent an estimated $607K. All 5 brands take every click. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 12.5% of those searches ended in a purchase.
Shoppers searched for this 162K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved +10.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $607K a year.
- Searches, last 12 months
- 162K
- Growth, 90 days vs prior 90
- +10.5%
- Conversion, latest week
- 12.5%
- Market size, estimated
- $607Ka year
- Peak month
- September1.4× the quietest month
- Top search term
- star san62K searches a year
02 · Price
A sale here is worth $29.87.
Listings sell for $29.87 on average, from $10.34 to $79.30. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 2,500 to 3,000 of them. At $29.87 that is $75K to $90K a year per listing.
- Average price
- $29.87inside the $15 to $100 sweet spot
- Price range
- $10.34–$79.30
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- $75K–$90K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
43% of listings pay for placement with sponsored ads. 71% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #311 within Antibiotics & Antiseptics. It carries 2,531 reviews at 4.71 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 43%
- Prime listings
- 71%
- Out of stock, average day
- 0.0%
- Average rank
- #311in Antibiotics & Antiseptics
- Average rating
- 4.71 starsAmazon United States average 4.42 stars
- Average reviews
- 2,531per listing
- Listings tracked
- 7
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 80 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 80 months
Products
Top Star San 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 Jul 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Five Star - 6022b_ - Star San - 32 Ounce - High Foaming Sanitizer
- Price
- $29.05
- Rating
- 4.8/5
- Reviews
- 6,100
- Age
- 14y ago

Five Star - Star San - 16 Ounce - Brew Sanitizer High Foaming Acid Anionic
- Price
- $20.08
- Rating
- 4.8/5
- Reviews
- 5,051
- Age
- 14y ago

Craft A Brew - Single-Use Cleansing Packets - Dissolvable No-Rinse Cleanser for Home Brewing Equipment Pre-Portioned for 2-Gallon Solutions Easy-to-Use Homebrew Supplies Pack of 6
- Price
- $13.76
- Rating
- 4.7/5
- Reviews
- 57
- Age
- 1y ago

Five Star PBW Liquid (32 oz)
- Price
- $26.87
- Rating
- 4.6/5
- Reviews
- 218
- Age
- 5y ago

Five Star Chemicals Five Star - Star San - 1 Gallon (128 OZ) - Food-Grade High Foaming Acid Sanitizer 8 Pound (Pack of 1)
- Price
- $79.30
- Rating
- 4.6/5
- Reviews
- 53
- Age
- 4y ago
Trending
estimated 90-day click momentum
Five Star PBW Liquid (32 oz)
- Price
- $26.87
- Rating
- 4.6/5
- Reviews
- 218
- Age
- 5y ago

Five Star - 6022b_ - Star San - 32 Ounce - High Foaming Sanitizer
- Price
- $29.05
- Rating
- 4.8/5
- Reviews
- 6,100
- Age
- 14y ago

Five star Star San Acid Sanitizer for Surface Sanitation 32oz
- Price
- $29.71
- Rating
- 4.8/5
- Reviews
- 1,842
- Age
- 14y ago

Five Star - Star San - 16 Ounce - Brew Sanitizer High Foaming Acid Anionic
- Price
- $20.08
- Rating
- 4.8/5
- Reviews
- 5,051
- Age
- 14y ago

Five Star Chemicals Five Star - Star San - 1 Gallon (128 OZ) - Food-Grade High Foaming Acid Sanitizer 8 Pound (Pack of 1)
- Price
- $79.30
- Rating
- 4.6/5
- Reviews
- 53
- Age
- 4y ago
Newest
by launch date
Craft A Brew - Single-Use Cleansing Packets - Dissolvable No-Rinse Cleanser for Home Brewing Equipment Pre-Portioned for 2-Gallon Solutions Easy-to-Use Homebrew Supplies Pack of 6
- Price
- $13.76
- Rating
- 4.7/5
- Reviews
- 57
- Age
- 1y ago

Five Star Chemicals Five Star - Star San - 1 Gallon (128 OZ) - Food-Grade High Foaming Acid Sanitizer 8 Pound (Pack of 1)
- Price
- $79.30
- Rating
- 4.6/5
- Reviews
- 53
- Age
- 4y ago

Five Star PBW Liquid (32 oz)
- Price
- $26.87
- Rating
- 4.6/5
- Reviews
- 218
- Age
- 5y ago

Five star Star San Acid Sanitizer for Surface Sanitation 32oz
- Price
- $29.71
- Rating
- 4.8/5
- Reviews
- 1,842
- Age
- 14y ago

Five Star - 6022b_ - Star San - 32 Ounce - High Foaming Sanitizer
- Price
- $29.05
- Rating
- 4.8/5
- Reviews
- 6,100
- Age
- 14y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 95% of clicks. A locked shelf that new listings rarely crack.
Brands
5 rising
Sellers
27
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
95%
Top 20: 100%
Open market
0%
- Five Star46%
- STAR SAN44%
- Craft A Brew5%
- Five Star Chemicals3%
- FastRack3%
- Open — no brand owns it (0%)
Demand
Star San search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Star San search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- star san62K/yr
- starsan30K/yr
- star san sanitizer31K/yr
- starsan brewing sanitizer22K/yr
- star san sanitizer no rinse for brewing7K/yr
- starsan sanitizer7K/yr
- star-san3K/yr
Reviews and returns
What reviews say buyers love and hate about Star San
We read the reviews and the return reasons for every product selling here.
“It doesnt seem correct that the cleaner instructions say to use it on external surfaces like cabinets and furniture”
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.
15 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 Star San 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









