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Aquarium Bacteria

Fail

The top 5 brands take 100% of clicks, so Aquarium Bacteria is a Fail.

Flapen Score
37
37 / 100
Ranks 811 of 875 Pet Supplies niches · −13 vs the category median of 50
Market size
£142K/yr94K searches / yr
90-day growth
-24.8%search demand this quarter
Competition
75%top-5 click share · 5 brands · 41 sellers

Flapen Score

Aquarium Bacteria against its category

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

37Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Aquarium Bacteria market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Aquarium Bacteria 94K times last year and spent an estimated £142K. All 5 brands take every click. Demand peaks in Feb–Apr–May. Flapen scores it 37 out of 100, a Fail.

01 · Demand

15.4% of searches ended in a purchase last week.

Shoppers searched for this 94K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 15.4% of those searches ended in a purchase. Searches in the last 90 days moved -24.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £142K a year.

Searches, last 12 months
94K
Growth, 90 days vs prior 90
-24.8%
Conversion, latest week
15.4%
Market size, estimated
£142Ka year
Peak month
May2.2× the quietest month
Top search term
seachem stability27K searches a year

02 · Price

A sale here is worth £9.82.

Listings sell for £9.82 on average, from £2.80 to £32.79. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 500 to 750 of them. At £9.82 that is £5K to £7K a year per listing.

Average price
£9.82under the $15 to $100 sweet spot
Price range
£2.80–£32.79
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
13K–15K
Units per listing a year
500–750
Revenue per listing a year
£5K–£7K
Returns
0.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

85% 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 #48 within Fish & Aquatic Pets. It carries 9,245 reviews at 4.67 stars, so a new listing needs social proof before a better product.

Sponsored listings
85%
Prime listings
100%
Out of stock, average day
1.3%
Average rank
#48in Fish & Aquatic Pets
Average rating
4.67 starsAmazon United Kingdom average 4.36 stars
Average reviews
9,245per listing
Listings tracked
13

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 71 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
71 months

Products

Top Aquarium Bacteria 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 75% of clicks. A locked shelf that new listings rarely crack.

£0£14K£28K£43K£57K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 falling

Sellers

41

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

0%

  • Seachem54%
  • API25%
  • Tetra12%
  • ARKA6%
  • Fluval3%
  • Open — no brand owns it (0%)

Demand

Aquarium Bacteria search demand

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

2K2KSpike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Apr, May · busiest ÷ quietest = 2.2×

Search terms

Top Aquarium Bacteria search terms shoppers use

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

  • seachem stability27K/yr
  • tetra13K/yr
  • api quick start14K/yr
  • aquarium bacteria8K/yr
  • quick start for fish tank8K/yr
  • beneficial bacteria for fish tank4K/yr
  • fish tank bacteria4K/yr
  • nitrico goop5K/yr
  • stability fish water treatment4K/yr
  • stability3K/yr

Reviews and returns

What reviews say buyers love and hate about Aquarium Bacteria

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

Complain

Smell33%

Stinks

Smell of sulphur lingers

This product has a slightly unpleasant odor

Contamination14%−0.13

Is not safe for my tank

Value For Money7%+1.51

it is expensive i would say its not value for money its very expensive for what you get

Size-Overall7%+0.09

Like people have said it is quite small

Love

Advertised Vs Actual Product24%+0.98

Does the job

as it does what its supposed to do

Does what it says

Quality-Overall24%+1.71

Excellent product that did exactly what I needed

Great product

Good quality does what is says happy with this

Value For Money20%+1.51

Decent price so can't complain really

Great value for money

Good for the money

Safety Standards5%−0.05

Tetra safe start

Durability5%+0.29

Stability

this sorted it out so much my nitrates are zero for months

Return

0.3% Return rate 8% Fixable by listing

Functionality-Overall28%▄▄▁█▄▁
Leak-Proof19%▃▃█▂▁▁
Value For Money10%▁▇█▁▁▇

it is expensive i would say its not value for money its very expensive for what you get

Product Condition8%▁▁▁▅▁█
Smell8%█▃▁▃▁▁

Stinks

Smell of sulphur lingers

This product has a slightly unpleasant odor

FAQ

Common Aquarium Bacteria questions

Answered from the same tracked data.