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Aquarium Sponge

Maybe

Products 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
55 / 100
Top 30% of 3,978 Pet Supplies niches · +4 vs the category median of 51
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.

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 59% of clicks. Leaders hold, but buyers still shop past them.

Brands

8 falling

Sellers

21

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

4%

  • Brand 142%
  • Brand 223%
  • Brand 320%
  • Brand 47%
  • Brand 53%
  • Brand 62%
  • Open — no brand owns it (2 brands, 4%)

Demand

Aquarium Sponge search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K4KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun · busiest ÷ quietest = 1.7×

Search terms

Top Aquarium Sponge search terms shoppers use

The exact words shoppers type, with 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.

25%of positive reviews mention “Filtration”
20%of negative reviews mention “Size-Overall”
1.1%of orders come back
“as you can see in my photo it was far too short”
A buyer, on “Size-Overall”20% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common Aquarium Sponge questions

Answered from the same tracked data.