Grout Sponge
FailThe top 5 products take 82% of clicks, so Grout Sponge is a Fail.
- Flapen Score
- 47 / 100Ranks 8,381 of 14,768 Health & Household niches · −2 vs the category median of 4947
- Market size
- $161K/yr116K searches / yr
- 90-day growth
- +5.1%search demand this quarter
- Competition
- 82%top-5 click share · 8 brands · 39 sellers
Flapen Score
Grout Sponge against its category
The dotted line is the Health & Household average. Past it, Grout Sponge is stronger. Inside it, weaker.
Market
The Grout Sponge market on Amazon at a glance
Shoppers on Amazon United States searched for Grout Sponge 116K times last year and spent an estimated $161K. The top 5 brands take 90% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 16.4% of those searches ended in a purchase.
Shoppers searched for this 116K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.4% of those searches ended in a purchase. Searches in the last 90 days moved +5.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $161K a year.
- Searches, last 12 months
- 116K
- Growth, 90 days vs prior 90
- +5.1%
- Conversion, latest week
- 16.4%
- Market size, estimated
- $161Ka year
- Peak month
- May1.6× the quietest month
- Top search term
- grout sponge43K searches a year
02 · Price
A sale here is worth $8.45.
Listings sell for $8.45 on average, from $3.90 to $20.54. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,250 to 1,500 of them. At $8.45 that is $11K to $13K a year per listing.
- Average price
- $8.45under the $15 to $100 sweet spot
- Price range
- $3.90–$20.54
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- $11K–$13K
- Returns
- 0.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
50% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.8% of listings are out of stock. The average listing ranks #148 within Sponges. It carries 510 reviews at 4.32 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 50%
- Prime listings
- 100%
- Out of stock, average day
- 1.8%
- Average rank
- #148in Sponges
- Average rating
- 4.32 starsAmazon United States average 4.42 stars
- Average reviews
- 510per listing
- Listings tracked
- 10
04 · Newcomers
2 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top Grout Sponge 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 12, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
QEP 70005Q-6D 7.5 Inch x 5.5 Inch x 1.875 Inch Grouting Cleaning and Washing Sponge X-Large 6-Pack 6 Pack Yellow 6 Count
- Price
- $8.94
- Rating
- 4.6/5
- Reviews
- 3,489
- Age
- 12y ago

QEP 70007-24 Scrubbing Sponge for Grouting & Cleaning 7.5 x 5.25
- Price
- $3.90
- Rating
- 4.7/5
- Reviews
- 101
- Age
- 5y ago

QEP 70020-18 Epoxy Grout Sponge 7 x 5 x 2-1/2 Teal Color - Individually Bagged
- Price
- $4.99
- Rating
- 4.9/5
- Reviews
- 27
- Age
- 5mo ago

M-D Building Products 49152 5 in. x 7-1/2 in. Grout Sponge
- Price
- $4.64
- Rating
- 4.7/5
- Reviews
- 59
- Age
- 20y ago

QLT by Marshalltown Drywall Sanding Sponge Dual-Sided Wet Sanding Block Reusable Dustless Drywall Finishing Sponge for Joint Compound Spackle Sheetrock Plaster DWS467
- Price
- $7.13
- Rating
- 4.4/5
- Reviews
- 523
- Age
- 18y ago
Trending
estimated 90-day click momentum
1 Pack Extra Large Cleaning Sponges (7.5 x 5.5 x 1.9) Heavy Duty Grouting Car Wash & Multi-Surface Sponge Non-Scratch PU Foam for Tile Dishes Cars & Crafts Super Absorbent
- Price
- $5.01
- Rating
- 4.1/5
- Reviews
- 46
- Age
- 2mo ago

QEP 70020-18 Epoxy Grout Sponge 7 x 5 x 2-1/2 Teal Color - Individually Bagged
- Price
- $4.99
- Rating
- 4.9/5
- Reviews
- 27
- Age
- 5mo ago

RAINFLOW 4PCS Large Car Wash Sponge Sponges for Cleaning Extra Thick High-Density Pottery Sponges Scratch-Free Super Absorbent Reusable for Auto Detailing Waxing and Cleaning
- Price
- $7.16
- Rating
- 4.2/5
- Reviews
- 73
- Age
- 12mo ago

RUBII 4 Pcs Drywall Wet Sanding Sponge 9 Inch Washable Double Sided Drywall Finishing Sponge Reusable Drywall Sanding Blocks for Wiping Dust Smoothing Surface
- Price
- $13.19
- Rating
- 3.2/5
- Reviews
- 16
- Age
- 6mo ago

M-D Building Products 49152 5 in. x 7-1/2 in. Grout Sponge
- Price
- $4.64
- Rating
- 4.7/5
- Reviews
- 59
- Age
- 20y ago
Newest
by launch date
1 Pack Extra Large Cleaning Sponges (7.5 x 5.5 x 1.9) Heavy Duty Grouting Car Wash & Multi-Surface Sponge Non-Scratch PU Foam for Tile Dishes Cars & Crafts Super Absorbent
- Price
- $5.01
- Rating
- 4.1/5
- Reviews
- 46
- Age
- 2mo ago

QEP 70020-18 Epoxy Grout Sponge 7 x 5 x 2-1/2 Teal Color - Individually Bagged
- Price
- $4.99
- Rating
- 4.9/5
- Reviews
- 27
- Age
- 5mo ago

RUBII 4 Pcs Drywall Wet Sanding Sponge 9 Inch Washable Double Sided Drywall Finishing Sponge Reusable Drywall Sanding Blocks for Wiping Dust Smoothing Surface
- Price
- $13.19
- Rating
- 3.2/5
- Reviews
- 16
- Age
- 6mo ago

RAINFLOW 4PCS Large Car Wash Sponge Sponges for Cleaning Extra Thick High-Density Pottery Sponges Scratch-Free Super Absorbent Reusable for Auto Detailing Waxing and Cleaning
- Price
- $7.16
- Rating
- 4.2/5
- Reviews
- 73
- Age
- 12mo ago

Multi-Purpose Sponges for Cleaning - Yellow 2 Pack Large Sponges for Car Washing Tile & Grout All Purpose Cleaning
- Price
- $9.01
- Rating
- 4.2/5
- Reviews
- 515
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 82% of clicks. A locked shelf that new listings rarely crack.
Brands
8 falling
Sellers
39
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
82%
Top 20: 100%
Open market
6%
- QEP70%
- M-D Building Products7%
- MARSHALLTOWN6%
- RAINFLOW5%
- WAFJAMF4%
- Brick N Bone Sponges3%
- Open — no brand owns it (2 brands, 6%)
Demand
Grout Sponge search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Grout Sponge search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- grout sponge43K/yr
- drywall sponge16K/yr
- tile sponge12K/yr
- grout sponge for tile11K/yr
- grout sponges7K/yr
- grouting sponge5K/yr
- drywall wet sanding sponge5K/yr
- masonry sponge3K/yr
- concrete sponge3K/yr
- tile sponges for grouting4K/yr
Reviews and returns
What reviews say buyers love and hate about Grout Sponge
We read the reviews and the return reasons for every product selling here.
“This is misleading”
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.
18 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 Grout Sponge 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









