Phosphate Remover
Phosphate Remover shows low returns (0.4%), but soft demand (-15.2% this quarter) keeps it on the watch list.
Flapen Score
Is Phosphate Remover profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Phosphate Remover is a £103K/yr Amazon United Kingdom market (75K searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 53/100.
Phosphate Remover: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -15.2% over the last 90 days and 10.0% of searches end in a purchase.
£103K
revenue / yr
Who owns the niche?
The top 5 brands hold 82% of demand, so 18% of the market is open.
18%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 31 products
Top Phosphate Remover products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
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 datebeaufan 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: brands, sellers & click share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond 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%)
Phosphate Remover demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.4×
Top Phosphate Remover search terms shoppers use
The exact queries 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
What reviews say buyers love and hate about Phosphate Remover
What buyers mention most, as a share of all reviews.
What buyers love
95% of reviews“Good value for money”
“Excellent product”
“Perfect works as should”
“Perfect fit”
“Great product for your filter”
What buyers complain about
75% of reviews“For some reason didn't fit my filter”
“expensive though”
“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”
Phosphate Remover return rate & reasons
Why buyers send it back, as a share of all return requests.
0.4%
Return rate
47%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Phosphate Remover questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
