Aquarium Sponge
MaybeProducts sell for $37.43 on average, inside the sweet spot. But the top 5 brands take 94% of clicks, so Aquarium Sponge is a Maybe.
- Flapen Score
- 55 / 100Top 30% of 3,978 Pet Supplies niches · +4 vs the category median of 5155
- Market size
- $318K/yr186K searches / yr
- 90-day growth
- +22.6%search demand this quarter
- Competition
- 59%top-5 click share · 8 brands · 21 sellers
Flapen Score
Aquarium Sponge against its category
The dotted line is the Pet Supplies average. Past it, Aquarium Sponge is stronger. Inside it, weaker.
Market
The Aquarium Sponge market on Amazon at a glance
Shoppers on Amazon United States searched for Aquarium Sponge 186K times last year and spent an estimated $318K. The top 5 brands take 94% of clicks. Demand peaks in May–Jun. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 4.5% of those searches ended in a purchase.
Shoppers searched for this 186K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.5% of those searches ended in a purchase. Searches in the last 90 days moved +22.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $318K a year.
- Searches, last 12 months
- 186K
- Growth, 90 days vs prior 90
- +22.6%
- Conversion, latest week
- 4.5%
- Market size, estimated
- $318Ka year
- Peak month
- June1.7× the quietest month
- Top search term
- aquarium sponge33K searches a year
02 · Price
A sale here is worth $37.43.
Listings sell for $37.43 on average, from $2.56 to $139.41. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At $37.43 that is $9K to $19K a year per listing.
- Average price
- $37.43inside the $15 to $100 sweet spot
- Price range
- $2.56–$139.41
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $9K–$19K
- Returns
- 1.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
75% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #107 within Fish & Aquatic Pets. It carries 920 reviews at 4.38 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 95%
- Out of stock, average day
- 0.3%
- Average rank
- #107in Fish & Aquatic Pets
- Average rating
- 4.38 starsAmazon United States average 4.42 stars
- Average reviews
- 920per listing
- Listings tracked
- 20
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top Aquarium 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
ALEGI Aquarium Sponge Filter Pad Bio Filter Media Foam Sponges Cut-to-Size Foam for Fish Tank (20x20x1 (20PPI))
- Price
- $9.03
- Rating
- 4.7/5
- Reviews
- 1,939
- Age
- 3y ago

AQUANEAT 2 Pack Aquarium Bio Sponge Filter Media Pad Cut-to-Size Open Cell Foam Sheet for Fish Tank Sump (9 x 9 x 0.5) Black
- Price
- $6.07
- Rating
- 4.6/5
- Reviews
- 370
- Age
- 4y ago

Pawfly 4 Pack Aquarium Bio Sponge Filter Media Pad Filter Foam Sponge Pads Cut-to-Size Foam for Fish Tank Filters Sumps Ponds Hydroponics 6.3 x 5.5 x 0.78
- Price
- $6.01
- Rating
- 4.5/5
- Reviews
- 281
- Age
- 1y ago

GutterStuff Original Gutter Guard - 4-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK432-2
- Price
- $64.10
- Rating
- 4.1/5
- Reviews
- 794
- Age
- 8y ago

Pro Gutter Guard - 5-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK532-3
- Price
- $109.29
- Rating
- 3.9/5
- Reviews
- 98
- Age
- 16y ago
Trending
estimated 90-day click momentum
Pro Gutter Guard - 5-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK532-3
- Price
- $109.29
- Rating
- 3.9/5
- Reviews
- 98
- Age
- 16y ago

GutterStuff Original Gutter Guard - 6-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK632-2
- Price
- $100.31
- Rating
- 4.1/5
- Reviews
- 794
- Age
- 8y ago

GutterStuff Original Gutter Guard - 4-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK432-2
- Price
- $64.10
- Rating
- 4.1/5
- Reviews
- 794
- Age
- 8y ago

GutterStuff Original Gutter Guard - 5-Inch Half Round Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSR532-2
- Price
- $64.49
- Rating
- 3.9/5
- Reviews
- 52
- Age
- 8y ago

GutterStuff EZ Gutter Guard - 5-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK532-1
- Price
- $62.80
- Rating
- 3.7/5
- Reviews
- 54
- Age
- 7y ago
Newest
by launch date
Borlech Aquarium Bio Filter Sponge Pad - Cut-to-Size Aquarium Filter Media for Fish Tank Pond Sump - Mechanical & Biological Filtration (18.5x18.5x0.8 20PPI 1 Pack)
- Price
- $8.52
- Rating
- 4.6/5
- Reviews
- 773
- Age
- 1y ago

Pawfly 4 Pack Aquarium Bio Sponge Filter Media Pad Filter Foam Sponge Pads Cut-to-Size Foam for Fish Tank Filters Sumps Ponds Hydroponics 6.3 x 5.5 x 0.78
- Price
- $6.01
- Rating
- 4.5/5
- Reviews
- 281
- Age
- 1y ago

ALEGI Aquarium Sponge Filter Pad Bio Filter Media Foam Sponges Cut-to-Size Foam for Fish Tank (20x20x1 (20PPI))
- Price
- $9.03
- Rating
- 4.7/5
- Reviews
- 1,939
- Age
- 3y ago

ALEGI Aquarium Sponge Filter Pad Bio Filter Media Foam Sponges Cut-to-Size Foam for Fish Tank (20x20x1 (50PPI))
- Price
- $8.97
- Rating
- 4.7/5
- Reviews
- 1,939
- Age
- 3y ago

ALEGI Aquarium Sponge Filter Pad Bio Filter Media Foam Sponges Cut-to-Size Foam for Fish Tank (20x20x1 (35PPI))
- Price
- $9.02
- Rating
- 4.7/5
- Reviews
- 1,939
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 59% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 falling
Sellers
21
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
59%
Top 20: 100%
Open market
4%
- ALEGI42%
- GUTTERSTUFF23%
- AQUANEAT20%
- Pawfly7%
- Borlech3%
- koxuyim2%
- Open — no brand owns it (2 brands, 4%)
Demand
Aquarium Sponge search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun · busiest ÷ quietest = 1.7×
Search terms
Top Aquarium Sponge search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- aquarium sponge33K/yr
- gutter foam23K/yr
- filter foam20K/yr
- aquarium foam20K/yr
- matala filter media pads9K/yr
- aquarium filter foam13K/yr
- matala7K/yr
- foam filter10K/yr
- foam gutter inserts4K/yr
- gutter foam inserts7K/yr
Reviews and returns
What reviews say buyers love and hate about Aquarium Sponge
We read the reviews and the return reasons for every product selling here.
“as you can see in my photo it was far too short”
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 Aquarium 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









