Phosphate Remover
MaybeReturns run at only 0.4% of orders. But demand is soft, at -15.2% this quarter, so Phosphate Remover is a Maybe.
- Flapen Score
- 53 / 100Top 35% of 875 Pet Supplies niches · +3 vs the category median of 5053
- Market size
- £103K/yr75K searches / yr
- 90-day growth
- -15.2%search demand this quarter
- Competition
- 41%top-5 click share · 11 brands · 68 sellers
Flapen Score
Phosphate Remover against its category
The dotted line is the Pet Supplies average. Past it, Phosphate Remover is stronger. Inside it, weaker.
Market
The Phosphate Remover market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Phosphate Remover 75K times last year and spent an estimated £103K. The top 5 brands take 82% of clicks. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
10.0% of searches ended in a purchase last week.
Shoppers searched for this 75K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 10.0% of those searches ended in a purchase. Searches in the last 90 days moved -15.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £103K a year.
- Searches, last 12 months
- 75K
- Growth, 90 days vs prior 90
- -15.2%
- Conversion, latest week
- 10.0%
- Market size, estimated
- £103Ka year
- Peak month
- January1.4× the quietest month
- Top search term
- activated carbon24K searches a year
02 · Price
A sale here is worth £13.64.
Listings sell for £13.64 on average, from £4.08 to £38.83. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £13.64 that is £1K to £3K a year per listing.
- Average price
- £13.64under the $15 to $100 sweet spot
- Price range
- £4.08–£38.83
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 5K–6K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £1K–£3K
- Returns
- 0.4%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
61% of listings pay for placement with sponsored ads. 84% ship with Prime. On an average day, 2.9% of listings are out of stock. The average listing ranks #176 within Fish & Aquatic Pets. It carries 1,332 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 61%
- Prime listings
- 84%
- Out of stock, average day
- 2.9%
- Average rank
- #176in Fish & Aquatic Pets
- Average rating
- 4.53 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,332per listing
- Listings tracked
- 31
04 · Newcomers
Amazon counts 2 of last year's 5 launches as successful.
5 products launched here in the last 12 months. Amazon counts 2 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top Phosphate Remover products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Fluval Carbon 800g complete with net bags
- Price
- £8.68
- Rating
- 4.6/5
- Reviews
- 7,092
- Age
- 16y ago

ACTIVATED CARBON 1000g AQUARIUM FISH TANK 3D PRINTING EXTERNAL FILTER MEDIA/KOI FISH POND WATER DECHLORINATOR FILTERS 1KG Kilo
- Price
- £9.94
- Rating
- 4.5/5
- Reviews
- 106
- Age
- 6y ago

FLUVAL 307/407 Media Value Pack
- Price
- £38.83
- Rating
- 4.7/5
- Reviews
- 712
- Age
- 5y ago

Fluval 306/307 Filter Media Bio-Foam Value Pack
- Price
- £14.82
- Rating
- 4.7/5
- Reviews
- 2,909
- Age
- 5y ago

Fluval 306/7 and 406/7 Filter Water Polishing Pad
- Price
- £5.26
- Rating
- 4.7/5
- Reviews
- 3,820
- Age
- 14y ago
Trending
90-day click momentum
beaufan 38 Pack Aquarium Filter Media Kit Compatible with Fluval 406/407 Canister Filters Includes Replacement Bio-Foams Activated Carbon & Ceramic Rings (2 Sets Maintenance Bundle)
- Price
- £38.30
- Rating
- 4.6/5
- Reviews
- 22
- Age
- 4mo ago

3 KILO 3KG ACTIVATED CARBON AQUARIUM 4MM DIAMETER PELLETS FISH TANK EXTERNAL FILTER MEDIA/KOI FISH POND WATER DECHLORINATOR FILTERS 3000g
- Price
- £20.65
- Rating
- 4.8/5
- Reviews
- 13
- Age
- 8mo ago

beaufan 38 Pack Aquarium Filter Media Kit Compatible with Fluval 306/307 Canister Filters Includes Bio Foam Activated Carbon & Ceramic Rings (2 Sets Maintenance Bundle)
- Price
- £38.24
- Rating
- 4.6/5
- Reviews
- 22
- Age
- 6mo ago

36 Pcs Filter Media Kit for Fluval 306/307 Canister Filters Include Water Polishing Pad Bio-Foam Pad Ammonia/Phosphate/Nitrite Remover 500g BioMax Media 500g Carbon Silicone Lube Filter Mesh Bag
- Price
- £28.10
- Rating
- 4.3/5
- Reviews
- 47
- Age
- 8mo ago

FLUVAL U2 Filter Media Value Pack Brand Genuine Complete Internal Filter Kit
- Price
- £14.37
- Rating
- 4.7/5
- Reviews
- 219
- Age
- 2y ago
Newest
by launch date
beaufan 38 Pack Aquarium Filter Media Kit Compatible with Fluval 406/407 Canister Filters Includes Replacement Bio-Foams Activated Carbon & Ceramic Rings (2 Sets Maintenance Bundle)
- Price
- £38.30
- Rating
- 4.6/5
- Reviews
- 22
- Age
- 4mo ago

beaufan 38 Pack Aquarium Filter Media Kit Compatible with Fluval 306/307 Canister Filters Includes Bio Foam Activated Carbon & Ceramic Rings (2 Sets Maintenance Bundle)
- Price
- £38.24
- Rating
- 4.6/5
- Reviews
- 22
- Age
- 6mo ago

36 Pcs Filter Media Kit for Fluval 306/307 Canister Filters Include Water Polishing Pad Bio-Foam Pad Ammonia/Phosphate/Nitrite Remover 500g BioMax Media 500g Carbon Silicone Lube Filter Mesh Bag
- Price
- £28.10
- Rating
- 4.3/5
- Reviews
- 47
- Age
- 8mo ago

3 KILO 3KG ACTIVATED CARBON AQUARIUM 4MM DIAMETER PELLETS FISH TANK EXTERNAL FILTER MEDIA/KOI FISH POND WATER DECHLORINATOR FILTERS 3000g
- Price
- £20.65
- Rating
- 4.8/5
- Reviews
- 13
- Age
- 8mo ago

Kenmohuo Eco-Aquarium Water Purifier Cube 2025 Activated Carbon Filter Cube Super Strong Filtration for Aquarium Fish Tank Horse Trough & Ponds | Reusable Honeycomb Purifier Block | Odor Control
- Price
- £11.89
- Rating
- 3.6/5
- Reviews
- 6
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
68
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
41%
Top 20: 89%
Open market
13%
- Fluval51%
- TGC12%
- ARKA7%
- Supa7%
- beaufan6%
- Intralabs4%
- Open — no brand owns it (5 brands, 13%)
Demand
Phosphate Remover search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Phosphate Remover search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- activated carbon24K/yr
- fluval 307 filter media18K/yr
- carbon9K/yr
- fluval 407 filter media5K/yr
- fluval filter media5K/yr
- activated carbon aquarium5K/yr
- aquarium carbon4K/yr
- activated carbon for ponds4K/yr
Reviews and returns
What reviews say buyers love and hate about Phosphate Remover
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
For some reason didn't fit my filter
Too big
I was expecting money bag sizes bag's not one big one
expensive though
Not cheap at £10
this waste if money the quality is shocking I found pieces of wood that was painted
you have charcoal flavour water
Really, really dirty carbon
Love
Good value for money
Great value
Good price
Excellent product
Good quality
Reliable
Perfect works as should
Just what I wanted
As described
Perfect fit
Its a good sized amount in the tub
which is ideal for my tank size
Great product for your filter
Biological filter
Perfect for external cylinder filters
Return
0.4% Return rate 47% Fixable by listing
For some reason didn't fit my filter
Too big
I was expecting money bag sizes bag's not one big one
didnt have enough room in the filter for additional media
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Phosphate Remover questions
Answered from the same tracked data.









