aquarium soil
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Conversion
Good4.2%search→purchase rate — share of searches ending in a sale
Price range
Good£2.93–£27.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£11.34avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad6,719.42avg incumbent reviews — the moat a new listing must climb
Market size
Bad£72K£72K/yr · 153K searches
Competition
Bad78%top-5 click share — a locked-up shelf
Growth
Bad-23.5%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, aquarium soil is a £72K/yr Amazon United Kingdom market (153K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
aquarium soil market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £68K–£91K
- units × avg price
- Conversion rate
- 4.2%
- Avg BSR
- #41
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 83%
- Out of stock
- 1.4%
- Avg brand age
- 68 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
26
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
0%
- Fluval69%
- Tetra24%
- Munnie4%
- Pettex2%
- Exo Terra2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 87 weeks — -23.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top aquarium soil search terms
- aquarium soil34K/yr
- aquarium substrate32K/yr
- aqua soil18K/yr
- substrate for fish tank13K/yr
- fish tank substrate11K/yr
- aquasoil9K/yr
- aquarium soil for live plants9K/yr
- aquarium substrate for live plants10K/yr
- aqua soil for aquarium7K/yr
- aquarium plant substrate5K/yr
Top aquarium soil products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fluval Plant and Shrimp Stratum Aquarium Planting Substrate Dark Brown 2 kg (Pack of 1)
Fluval£7.764.6★17,682 rev
Tetra Active Aquarium Substrate 3 L
Tetra£4.774.6★5,037 rev
FLUVAL Bio-Stratum Bioactive Aquarium Stratum for Planted Aquariums 2kg
Fluval£8.324.6★2,520 rev
Fluval Plant & Shrimp Stratum Aquarium Planting Substrate Brown 4 kg
Fluval£12.924.6★17,682 rev
FLUVAL Bio-Stratum Bioactive Aquarium Stratum for Planted Aquariums 4kg
Fluval£15.464.6★2,520 rev
Newest
by launch date
Munnie 20L Aquatic Compost Soil for Pond Plants Nutrient Rich Aqua Soil & Pond Compost with Heavy Loam Grit Mix for Marginal Floating & Submerged Plants Slow Release Outdoor Planting Soil
Munnie£9.3511 rev
FLUVAL Bio-Stratum Bioactive Aquarium Stratum for Planted Aquariums 2kg
Fluval£8.322,520 rev
FLUVAL Bio-Stratum Bioactive Aquarium Stratum for Planted Aquariums 8kg
Fluval£27.912,520 rev
FLUVAL Bio-Stratum Bioactive Aquarium Stratum for Planted Aquariums 4kg
Fluval£15.462,520 rev
Tetra Active Aquarium Substrate 3 L
Tetra£4.775,037 rev
Trending
90-day click momentumMunnie 20L Aquatic Compost Soil for Pond Plants Nutrient Rich Aqua Soil & Pond Compost with Heavy Loam Grit Mix for Marginal Floating & Submerged Plants Slow Release Outdoor Planting Soil
Munnie£9.354.6★
Tetra Active Aquarium Substrate 3 L
Tetra£4.774.6★
Exo Terra Plantation Soil Substrate 8.8 Litre
Exo Terra£3.004.5★
Fluval Plant and Shrimp Stratum Aquarium Planting Substrate Dark Brown 2 kg (Pack of 1)
Fluval£7.764.6★
Tetra Complete Substrate Activates Strong and Healthy Plant Growth in an Aquarium 5 kg
Tetra£11.304.5★
What buyers say about aquarium soil
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality”
“fair price”
“Very easy to use”
“Colours nice and looks good once settled”
“Exactly as Described”
“It's so light though”
“Best size”
“Nice aesthetic”
“Water is clear no problem at all”
“my fish seem happier”
What buyers complain about
“Not black mix of brown, grey & black”
“Value for money is a joke because it's not cheap”
“Extremely dirty”
“Awfull stuff disturb it and your tank water turns black i have had to strip my tank and start again”
“filling with water it just clouded up”
“Not easy to use”
“Does not absorb water”
“it was wet on the bottom”
“got easily disrupted”
“To small”
Top return reasons
Common questions
- Is aquarium soil profitable to sell on Amazon United Kingdom?
- The niche generates £72K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -23.5%. Flapen's verdict: Skip it (31/100).
- How competitive is the aquarium soil niche?
- 5 brands and 26 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in aquarium soil?
- Top complaints mined from reviews: Color, Value For Money, Ease Of Cleaning. The return rate is 0.6%.
- When does demand for aquarium soil peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the aquarium soil niche?
- Listings span £2.93–£27.91; the average listing price is £11.34 (sweet spot $15–$100). The average incumbent carries 6,719 reviews — the moat a new listing must climb.