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Fish Tank Cleaner

Maybe

The products selling today average only 3.9★. But demand is soft, at -19.3% this quarter, so Fish Tank Cleaner is a Maybe.

Flapen Score
61
61 / 100
Top 10% of 875 Pet Supplies niches · +11 vs the category median of 50
Market size
£450K/yr521K searches / yr
90-day growth
-19.3%search demand this quarter
Competition
51%top-5 click share · 23 brands · 46 sellers

Flapen Score

Fish Tank Cleaner against its category

The dotted line is the Pet Supplies average. Past it, Fish Tank Cleaner is stronger. Inside it, weaker.

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

Market

The Fish Tank Cleaner market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Fish Tank Cleaner 521K times last year and spent an estimated £450K. The top 5 brands take 57% of clicks. Flapen scores it 61 out of 100, a Maybe.

01 · Demand

6.2% of searches ended in a purchase last week.

Shoppers searched for this 521K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 6.2% of those searches ended in a purchase. Searches in the last 90 days moved -19.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £450K a year.

Searches, last 12 months
521K
Growth, 90 days vs prior 90
-19.3%
Conversion, latest week
6.2%
Market size, estimated
£450Ka year
Peak month
February1.3× the quietest month
Top search term
fish tank cleaner154K searches a year

02 · Price

A sale here is worth £13.83.

Listings sell for £13.83 on average, from £3.40 to £33.09. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 750 to 1,000 of them. At £13.83 that is £10K to £14K a year per listing.

Average price
£13.83under the $15 to $100 sweet spot
Price range
£3.40–£33.09
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
750–1,000
Revenue per listing a year
£10K–£14K
Returns
1.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

87% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.1% of listings are out of stock. The average listing ranks #18 within Fish & Aquatic Pets. It carries 2,199 reviews at 3.91 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
100%
Out of stock, average day
3.1%
Average rank
#18in Fish & Aquatic Pets
Average rating
3.91 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,199per listing
Listings tracked
31

04 · Newcomers

Amazon counts 3 of last year's 8 launches as successful.

8 products launched here in the last 12 months. Amazon counts 3 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 35 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
8
Successful launches
3Amazon's first-year sales bar
Average brand age
35 months

Products

Top Fish Tank Cleaner products & what they sell for

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

Competition

Competition: brands, sellers & click share

The top 5 products take 51% of clicks. Leaders hold, but buyers still shop past them.

£0£45K£90K£135K£180K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

23 falling

Sellers

46

Top-5 brand share

57%

Top 20: 96%

Top-5 click share

51%

Top 20: 87%

Open market

38%

  • QZQ23%
  • Luigi's11%
  • NICREW9%
  • AQQA8%
  • OsAtNb6%
  • AKOFIC5%

Demand

Fish Tank Cleaner search demand

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

12K8KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Fish Tank Cleaner search terms shoppers use

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

  • fish tank cleaner154K/yr
  • gravel cleaner fish tank44K/yr
  • fish tank cleaning kit38K/yr
  • aquarium gravel cleaner33K/yr
  • fish tank gravel cleaner28K/yr
  • aquarium cleaner25K/yr
  • fish tank syphon22K/yr
  • gravel vacuum for aquarium16K/yr
  • aquarium cleaning kit17K/yr
  • fish tank gravel cleaner vacuum16K/yr

Reviews and returns

What reviews say buyers love and hate about Fish Tank Cleaner

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Durability15%−0.21

Broke on first use

broken within a week

broke after first use

Quality-Overall14%−0.03

just not the best quality build

It's very cheap quality

Not good quality

Functionality-Overall11%−0.18

Not effective at all

Did not work very well

Didnt work

Ease Of Cleaning6%+1.67

Absolutely useless for cleaning anything

Not powerful enough for any cleaning

doesn't make cleaning any easier sadly

Value For Money6%+0.25

rather expensive

Its cheap for a reason

Looks penny cheap. way over priced

Love

Ease Of Cleaning23%+1.67

useful cleaning kit

easy to clean

Amazing Cleaner

Ease Of Use19%+1.68

Easy to use

ready to use within minutes

Easy to use and handle

Quality-Overall14%−0.03

The tubing is good quality also

Excellent Product

It feels like a high quality tool that will last through many cleanings

Value For Money10%+0.25

Worth buying

Excellent value

Excellent product for the money

Advertised Vs Actual Product7%+0.55

Better than expected

Works as it should

Does what it says

Return

1.3% Return rate 22% Fixable by listing

Functionality-Overall32%▆▇█▆██

Not effective at all

Did not work very well

Didnt work

Size-Overall15%▇▇██▅▇

way too small

Very small tube

The pipe is super long

Defective Material/Parts10%█▆▆▄▆▄
Quality-Overall7%▇▆▄▆▄█

just not the best quality build

It's very cheap quality

Not good quality

Durability5%▅▆▇▆▇█

Broke on first use

broken within a week

broke after first use

FAQ

Common Fish Tank Cleaner questions

Answered from the same tracked data.