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Aquarium Filter

Maybe

Shoppers spend an estimated $4.7M a year here. But demand is soft, at -6.2% this quarter, so Aquarium Filter is a Maybe.

Flapen Score
61
61 / 100
Top 12% of 3,978 Pet Supplies niches · +10 vs the category median of 51
Market size
$4.7M/yr3.4M searches / yr
90-day growth
-6.2%search demand this quarter
Competition
41%top-5 click share · 23 brands · 82 sellers

Flapen Score

Aquarium Filter against its category

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

61Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Aquarium Filter market on Amazon at a glance

Shoppers on Amazon United States searched for Aquarium Filter 3.4M times last year and spent an estimated $4.7M. The top 5 brands take 72% of clicks. Flapen scores it 61 out of 100, a Maybe.

01 · Demand

An estimated 4.6% of those searches ended in a purchase.

Shoppers searched for this 3.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.6% of those searches ended in a purchase. Searches in the last 90 days moved -6.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.7M a year.

Searches, last 12 months
3.4M
Growth, 90 days vs prior 90
-6.2%
Conversion, latest week
4.6%
Market size, estimated
$4.7Ma year
Peak month
August1.2× the quietest month
Top search term
aquarium filter958K searches a year

02 · Price

A sale here is worth $30.25.

Listings sell for $30.25 on average, from $6.37 to $211.38. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 2,000 to 2,500 of them. At $30.25 that is $61K to $76K a year per listing.

Average price
$30.25inside the $15 to $100 sweet spot
Price range
$6.37–$211.38
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
125K–150K
Units per listing a year
2,000–2,500
Revenue per listing a year
$61K–$76K
Returns
2.8%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.3% of listings are out of stock. The average listing ranks #34 within Fish & Aquatic Pets. It carries 8,260 reviews at 4.23 stars, so a new listing needs social proof before a better product.

Sponsored listings
75%
Prime listings
100%
Out of stock, average day
1.3%
Average rank
#34in Fish & Aquatic Pets
Average rating
4.23 starsAmazon United States average 4.42 stars
Average reviews
8,260per listing
Listings tracked
44

04 · Newcomers

8 of last year's 8 launches cleared the first-year sales bar.

8 products launched here in the last 12 months. 8 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.

Launched, last 12 months
8
Successful launches
8Amazon's first-year sales bar
Average brand age
48 months

Products

Top Aquarium Filter 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 41% of clicks. Leaders hold, but buyers still shop past them.

Brands

23 falling

Sellers

82

Top-5 brand share

72%

Top 20: 98%

Top-5 click share

41%

Top 20: 76%

Open market

24%

  • Brand 146%
  • Brand 29%
  • Brand 37%
  • Brand 45%
  • Brand 54%
  • Brand 64%

Demand

Aquarium Filter search demand

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

90K70KPrime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Search terms

Top Aquarium Filter search terms shoppers use

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

  • aquarium filter958K/yr
  • fish tank filters620K/yr
  • fish tank filter331K/yr
  • fish filter168K/yr
  • 10 gallon fish tank filter134K/yr
  • 20 gallon fish tank filter105K/yr
  • aquarium filters117K/yr
  • filter for fish tank104K/yr
  • small fish tank filter93K/yr
  • filtro para pecera84K/yr

Reviews and returns

What reviews say buyers love and hate about Aquarium Filter

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

34%of positive reviews mention “Filtration”
23%of negative reviews mention “Durability”
2.8%of orders come back
“Comes apart”
A buyer, on “Durability”23% 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.

17 topics

NegativePositive

FAQ

Common Aquarium Filter questions

Answered from the same tracked data.