Is aqueon filter cartridges large profitable to sell on Amazon United States?

The niche generates $64K/yr across 16 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +0.3%. Flapen's verdict: Skip it (42/100).

How competitive is the aqueon filter cartridges large niche?

7 brands and 63 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in aqueon filter cartridges large?

Top complaints mined from reviews: Filtration, Value For Money, Quality-Overall. The return rate is 1.3%.

When does demand for aqueon filter cartridges large peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the aqueon filter cartridges large niche?

Listings span $7.74–$67.29; the average listing price is $30.57 (sweet spot $15–$100). The average incumbent carries 3,331 reviews — the moat a new listing must climb.

aqueon filter cartridges large

Skip it

Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.

Avg price

Incredible$30.57

avg listing price — sweet spot $15–$100

Conversion

Great10.8%

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

Returns

Great1.3%

return rate — above 6% kills the launch gate

Price range

Great$7.74–$67.29

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

Review moat

Okay3,331.38

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Okay70%

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

Growth

Okay+0.3%

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

Market size

Bad$64K

$64K/yr · 19K searches

Brand share

Bad96%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, aqueon filter cartridges large is a $64K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 42/100.

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

aqueon filter cartridges large market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $76K–$92K; units × avg price
Launch success: 20%; 1 of 5 new (360d)
Conversion rate: 10.8%
Avg BSR: #245
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 12.8%
Avg brand age: 46 months
Avg seller age: 168 days

Competition & brand share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

7 rising

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

Aqueon84%
AQUANEAT5%
Generic3%
SmtaqX3%
ELXXROONM2%
Yoolight2%
Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top aqueon filter cartridges large search terms

aqueon filter large11K/yr +6.4%10.7% conv.
aqueon large filter cartridges7K/yr -8.2%12.6% conv.
aqueon filter cartridges large1K/yr -1.9%7.6% conv.

All search terms

Top aqueon filter cartridges large 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★)2 products missing review or click data not plotted

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Aqueon Replacement Filter Cartridges Large - 12 pack

Aqueon$33.924.8★5,935 rev

Aqueon Aquarium Fish Tank Replacement Filter Cartridges Large - 3 pack

Aqueon$11.434.8★12,453 rev

Aqueon Replacement Filter Cartridges Large (6 pack) Ensure Even Distribution of Activated Carbon 25% More Activated Carbon Easy Installation

Aqueon$20.214.8★12,453 rev

AQUANEAT 12-Pack Replacement Ammonia Reducer Pads Compatible with Aqueon QuietFlow 20 and 75 LED PRO Aquarium Power Filter

AQUANEAT$7.744.7★502 rev

Aqueon Genuine EcoRenew Filter Cartridges for Freshwater and Saltwater Aquariums Large 6-Pack

Aqueon$24.494.5★165 rev

Newest

by launch date

16Pack Large Aquarium Filter Cartridges Replacement Compatible with Aqueon QuietFlow LED PRO Size 20 30 50 75 Power Filter Size 20 30 50 55/75 E Internal 40 Canister Extra 12Pcs Filter Pads.

Generic$32.930 rev

3w ago

Large Filter Cartridges Replacement Compatible with Aqueon QuietFlow Filter LED PRO Size 20 30 50 75/Power Filter Size 20 30 50 55/75 E Internal Size 40 and Canister Filter (8+6 Pack Filter Pads)

SmtaqX$22.080 rev

1mo ago

8 Pack Large Aquarium Fish Tank Filter Cartridges with Filter Pad Compatible with Aqueon QuietFlow Filter LED PRO Size 20 30 50 75/Power Filter Size 20 30 50 55/75 E Internal Size 40 Canister Filter

Switior$20.9346 rev

3mo ago

ELXXROONM 12pcs Large Filters Cartridges+8pcs Ammonia Reducer Filter Pads for QuietFlow Power Size 20/30/50/75 & E Internal Power Size 40 & Canister Filter Size 200/300/400 & Zilla Large

ELXXROONM$21.913 rev

4mo ago

Aqueon PRO Replacement Filter Cartridges Large 6 Pack

Aqueon$24.6816 rev

5mo ago

What buyers say about aqueon filter cartridges large

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

What buyers love

Filtration26%

“filters are high quality”

Value For Money13%

“Good price”

Quality-Overall12%

“Original replacement filters are better quality”

Advertised Vs Actual Product11%

“Worked as advertised”

Size-Overall10%

“Right size”

Ease Of Cleaning8%

“Great for helping keep your aquarium cleaner”

Durability5%

“hold up well”

Eco Friendliness2%

“our aquarium look healthy”

Ease Of Use2%

“Convenience is your time”

Leak-Proof2%

“No leakage”

What buyers complain about

Filtration17%

“I hate these filters”

Value For Money17%

“Price a little high, for filters”

Quality-Overall13%

“Very disappointed in the quality of these now hardly any charcoal in these”

Durability12%

“breaks easily”

Size-Overall9%

“fine for small”

Water Flow8%

“was not pulling water into the filter”

Ease Of Cleaning4%

“Very nasty dirty no attempt to clean surface dirt you should be ashamed”

Color4%

“Im not sure how I feel because it had black dye I dont want my fish to die”

Functionality-Overall3%

“then wont work”

Strength2%

“pieces become fragile and break easily”

Top return reasons

Size-Overall73%

Filtration13%

Defective Material/Parts3%

Advertised Vs Actual Product3%

Compatibility-Overall2%

Functionality-Overall2%

Durability1%

Value For Money1%

Product Condition1%

Shape/Style1%

Common questions

Is aqueon filter cartridges large profitable to sell on Amazon United States?: The niche generates $64K/yr across 16 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +0.3%. Flapen's verdict: Skip it (42/100).
How competitive is the aqueon filter cartridges large niche?: 7 brands and 63 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in aqueon filter cartridges large?: Top complaints mined from reviews: Filtration, Value For Money, Quality-Overall. The return rate is 1.3%.
When does demand for aqueon filter cartridges large peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the aqueon filter cartridges large niche?: Listings span $7.74–$67.29; the average listing price is $30.57 (sweet spot $15–$100). The average incumbent carries 3,331 reviews — the moat a new listing must climb.