Skip to content

Sponge Filter

Fail

Shoppers spend an estimated $49K a year here, so Sponge Filter is a Fail.

Flapen Score
48
48 / 100
Ranks 496 of 875 Pet Supplies niches · −2 vs the category median of 50
Market size
£49K/yr142K searches / yr
90-day growth
-12.5%search demand this quarter
Competition
37%top-5 click share · 13 brands · 18 sellers

Flapen Score

Sponge Filter against its category

The dotted line is the Pet Supplies average. Past it, Sponge Filter is stronger. Inside it, weaker.

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Sponge Filter market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Sponge Filter 142K times last year and spent an estimated £49K. The top 5 brands take 82% of clicks. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 3.1% of those searches ended in a purchase.

Shoppers searched for this 142K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 3.1% of those searches ended in a purchase. Searches in the last 90 days moved -12.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £49K a year.

Searches, last 12 months
142K
Growth, 90 days vs prior 90
-12.5%
Conversion, latest week
3.1%
Market size, estimated
£49Ka year
Top search term
sponge filter46K searches a year

02 · Price

A sale here is worth £11.22.

Listings sell for £11.22 on average, from £3.39 to £24.88. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At £11.22 that is £1K to £3K a year per listing.

Average price
£11.22under the $15 to $100 sweet spot
Price range
£3.39–£24.88
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
1.8%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

90% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #72 within Fish & Aquatic Pets. It carries 403 reviews at 4.23 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
95%
Out of stock, average day
2.4%
Average rank
#72in Fish & Aquatic Pets
Average rating
4.23 starsAmazon United Kingdom average 4.36 stars
Average reviews
403per listing
Listings tracked
40

04 · Newcomers

0 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 0 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
2
Successful launches
0Amazon's first-year sales bar
Average brand age
41 months

Products

Top Sponge Filter 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 29, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 37% of clicks, no more. An open shelf where new products get seen.

£0£1K£3K£4K£6K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

18

Est. top-5 brand share

82%

Top 20: 100%

Est. top-5 click share

37%

Top 20: 77%

Open market

12%

  • Pawfly34%
  • Powkoo21%
  • AQQA11%
  • hygger8%
  • VILLNO8%
  • BEGONDIS6%
  • Open — no brand owns it (7 brands, 12%)

Demand

Sponge Filter search demand

Weekly searches over the year. Pick a range.

3K2KMar '26Apr '26May '26May '26Jun '26Jul '26

Search terms

Top Sponge Filter search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • sponge filter46K/yr
  • sponge filters for aquarium46K/yr
  • aquarium sponge filter18K/yr
  • sponge filter and air pump7K/yr
  • fish tank sponge filter8K/yr
  • sponge filters5K/yr
  • small sponge filter5K/yr
  • sponge filter for fish tank4K/yr
  • sponge fish tank filter4K/yr

Reviews and returns

What reviews say buyers love and hate about Sponge Filter

We read the reviews and the return reasons for every product selling here.

35%of positive reviews mention “Filtration”
17%of negative reviews mention “Durability”
1.8%of orders come back
“Breaks after a month”
A buyer, on “Durability”17% 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 Sponge Filter 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