Is aquarium soil profitable to sell on Amazon United States?

The niche generates $434K/yr across 22 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -27.4%. Flapen's verdict: Skip it (46/100).

How competitive is the aquarium soil niche?

9 brands and 39 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 94% 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 1.2%.

When does demand for aquarium soil peak?

Demand peaks in Jan–Feb–Mar; the busiest month runs 2.1× the quietest.

What does it cost to enter the aquarium soil niche?

Listings span $9.13–$59.40; the average listing price is $23.51 (sweet spot $15–$100). The average incumbent carries 3,704 reviews — the moat a new listing must climb.

aquarium soil

Skip it

Soft demand (-27.4% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible$23.51

avg listing price — sweet spot $15–$100

Returns

Great1.2%

return rate — above 6% kills the launch gate

Price range

Great$9.13–$59.40

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good4.9%

search→purchase rate — share of searches ending in a sale

Market size

Good$434K

$434K/yr · 376K searches

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay3,704.32

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Growth

Bad-27.4%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, aquarium soil is a $434K/yr Amazon United States market (376K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 46/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

aquarium soil market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: $353K–$470K; units × avg price
Launch success: —; 2 of 4 new (360d)
Conversion rate: 4.9%
Avg BSR: #113
Page quality: 0%
Prime: 100%
Sponsored: 64%
Out of stock: 4.6%
Avg brand age: 60 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

62%

Top 20: 98%

Open market

Fluval58%
Aqua Natural17%
Aqueon12%
Hygger CO24%
LANDEN3%
FZONE3%
Open — no brand owns it (3 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -27.4% search growth over the last 90 days.

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.1×

Open Trend

Top aquarium soil search terms

aquarium soil82K/yr -22.5%3.3% conv.
aquarium substrate for live plants69K/yr -30.3%4.2% conv.
aquarium soil for live plants29K/yr -33.8%3.9% conv.
aquarium plant substrate26K/yr -33.0%3.5% conv.
aqua soil for aquarium plants18K/yr -17.4%4.2% conv.
planted aquarium substrate19K/yr -33.6%1.9% conv.
aquasoil for planted aquarium14K/yr -14.1%4.4% conv.
shrimp substrate13K/yr -25.9%4.1% conv.
fish tank substrate for live plants14K/yr -28.5%3.0% conv.
bio substrate aquarium11K/yr -27.0%4.2% conv.

All search terms

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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Fluval 12693 Plant and Shrimp Stratum for Freshwater Fish Tanks 4.4 lbs. Aquarium Substrate for Strong Plant Growth Supports Neutral to Slightly Acidic pH

Fluval$15.904.7★17,875 rev

Fluval 12694 Plant and Shrimp Stratum for Freshwater Fish Tanks 8.8 lbs. Aquarium Substrate for Strong Plant Growth Supports Neutral to Slightly Acidic pH

Fluval$19.924.7★17,875 rev

Aqueon Plant and Shrimp Aquarium Substrate Aqua Soil for Fish Tanks 5 Pounds

Aqueon$14.224.6★3,766 rev

Fluval 12696 Natural Mineral-Rich Volcanic Soil Bio Stratum for Planted Tanks 4.4 lbs. - Aquarium Substrate for Healthy Plant Development Growth and Color

Fluval$15.034.7★2,526 rev

Fluval 12697 Natural Mineral-Rich Volcanic Soil Bio Stratum for Planted Tanks 8.8 lbs. - Aquarium Substrate for Healthy Plant Development Growth and Color

Fluval$25.954.7★2,526 rev

Newest

by launch date

Fluval Betta Stratum Aquarium Substrate 1.76 lb (0.8 kg) Plant Growth Substrate for Betta Tanks Maintains Ideal Water Conditions

Fluval$9.1390 rev

8mo ago

FZONE Aquarium Soil for Planted Tanks- Nutrient-Rich Aquarium Substrate for Fresh Water Live Plants Dust-Free Shrimp & Fish SafeLong-Lasting pH Stable (3mm 8L/18 lb Black)

FZONE$59.4078 rev

8mo ago

Hygger CO2 Upgraded Aquarium Soil Water Grass Mud Ideal for Fish Tank Aquascaping Aquarium Substrate Soil for Plants and Shrimps No Need to Wash (4.4 Pounds)

Hygger CO2$21.72165 rev

12mo ago

Hygger CO2 Upgraded Aquarium Soil Water Grass Mud Ideal for Fish Tank Aquascaping Aquarium Substrate Soil for Plants and Shrimps No Need to Wash (8.8 Pounds)

Hygger CO2$30.77165 rev

12mo ago

FZONE Aquarium Soil for Planted Tanks Nutrient-Rich Aquarium Substrate for Fresh Water Live Plants Shrimp & Fish Safe Dust-Free(3mm 4L/9 l b) Black

FZONE$39.6778 rev

1y ago

What buyers say about aquarium soil

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall21%

“quality — not dusty or cheap-looking”

Color10%

“Color is gorgeous”

Ease Of Cleaning9%

“Easy to clean”

Value For Money8%

“Good price”

Advertised Vs Actual Product8%

“Just as advertised”

Ease Of Use6%

“It was easy to work with”

Plant Growth5%

“the plants are growing nicely”

Size-Overall4%

“This size is also super convenient for shrimp bowls or small tanks”

Water Resistance3%

“the water was clear”

Material Quality3%

“good quality sand”

What buyers complain about

Color16%

“Not white”

Value For Money13%

“Not inexpensive either”

Ease Of Cleaning10%

“Dirty”

Water Resistance6%

“It clouded the water for a bit”

Filtration6%

“hob filters as bad as this did”

Contamination5%

“all stated getting a black mold on them”

Size-Overall4%

“It is a bigish bag”

Moist/Dry4%

“Looks like this material broke down on drying”

Quality-Overall3%

“Low quality and dirty”

Durability3%

“Breaks down within a year”

Top return reasons

Size-Overall23%

Color17%

Advertised Vs Actual Product14%

Leak-Proof12%

Value For Money11%

Material Quality5%

Functionality-Overall3%

Compatibility-Overall2%

Defective Material/Parts2%

Moist/Dry2%

Common questions

Is aquarium soil profitable to sell on Amazon United States?: The niche generates $434K/yr across 22 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -27.4%. Flapen's verdict: Skip it (46/100).
How competitive is the aquarium soil niche?: 9 brands and 39 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 94% 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 1.2%.
When does demand for aquarium soil peak?: Demand peaks in Jan–Feb–Mar; the busiest month runs 2.1× the quietest.
What does it cost to enter the aquarium soil niche?: Listings span $9.13–$59.40; the average listing price is $23.51 (sweet spot $15–$100). The average incumbent carries 3,704 reviews — the moat a new listing must climb.