Is fluval fx6 filter pads profitable to sell on Amazon United States?

The niche generates $72K/yr across 37 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -18.9%. Flapen's verdict: Worth a look (57/100).

How competitive is the fluval fx6 filter pads niche?

17 brands and 55 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 70% of demand.

What do buyers complain about in fluval fx6 filter pads?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Smell. The return rate is 0.8%.

When does demand for fluval fx6 filter pads peak?

Demand peaks in Aug–Sep–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the fluval fx6 filter pads niche?

Listings span $5.56–$254.70; the average listing price is $39.20 (sweet spot $15–$100). The average incumbent carries 769 reviews — the moat a new listing must climb.

fluval fx6 filter pads

Worth a look

Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.8%

return rate — above 6% kills the launch gate

Avg price

Incredible$39.20

avg listing price — sweet spot $15–$100

Conversion

Great7.4%

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

Competition

Great40%

top-5 click share — an open shelf

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good768.59

avg incumbent reviews — the moat a new listing must climb

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Price range

Okay$5.56–$254.70

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

Market size

Bad$72K

$72K/yr · 25K searches

Growth

Bad-18.9%

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

According to Flapen's Amazon United States niche tracking, fluval fx6 filter pads is a $72K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Aug–Sep–Dec. Verdict: Worth a look — 57/100.

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

fluval fx6 filter pads market data

Units sold / yr: 3K–3K; avg 0–100/product
Revenue / yr: $98K–$118K; units × avg price
Launch success: 0%; 0 of 6 new (360d)
Conversion rate: 7.4%
Avg BSR: #682
Page quality: 0%
Prime: 95%
Sponsored: 84%
Out of stock: 5.2%
Avg brand age: 40 months
Avg seller age: 183 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

17 falling

Sellers

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

40%

Top 20: 80%

Open market

25%

Fluval33%
Tofcbye15%
Podoy9%
Threlaco8%
Tranqun6%
THREELIN5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -18.9% search growth over the last 90 days.

Peak months: Aug, Sep, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top fluval fx6 filter pads search terms

fluval fx6 filter media10K/yr -8.8%7.3% conv.
fluval fx2 filter media7K/yr -18.1%6.9% conv.
fx6 filter pads5K/yr -30.2%6.1% conv.
fluval fx6 filter pads3K/yr -25.6%8.6% conv.

All search terms

Top fluval fx6 filter pads 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 37 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Tofcbye Replacement Filter Media Kit for Fluval FX2/FX4/FX5/FX6 Aquarium Filters 28 Pcs

Tofcbye$48.354.4★66 rev

Fluval FX4/FX5/FX6 Bio-Foam Replacement Aquarium Filter Media 2-Pack A239

Fluval$14.784.8★1,240 rev

Podoy Fx4 Foam Filter Pads Replacement Compatible with Fluval FX5 / FX6 Canister Filter Aquarium Bio Sponge Foam Filter Pads (12 Packs)

Podoy$24.583.9★282 rev

Fluval FX5 Filter Foam Block - 3-Pack

Fluval$19.444.8★827 rev

THREELIN Replacement White Foam Filter Pads Fits Fluval FX4 / FX5 / FX6 (Pack of 6)

THREELIN$17.034.5★173 rev

Newest

by launch date

MACIFECI 28 PCS Replacement Filter Media Kit Compatible with Fluval FX2/FX4/FX5/FX6 Aquarium Filters Include Media Carbon Foam Pad Water Polishing Pads Bio-Foam Pads Foam Block Mesh Bag

MACIFECI$43.774 rev

5mo ago

27Pcs Filter Media Replacement Kit Replacement Filter Media Kit Compatible with Fluval FX2 FX4 FX5 FX6 Filter Media Aquarium Filter Media Kit Including Carbon Pad Foam block Filtering Medium etc

Kexaiq$52.504 rev

6mo ago

24 PCS Fx6 Aquarium Media Kits Compatible with Fluval FX4/FX5/FX6

Iridesc$43.086 rev

7mo ago

Trident Nova FX4/FX5/FX6 Filter Media Canister Filter Maintenance and Replacement Filter Media Kit Including Media Bags (FX Foam Filter Pads Quick Clear/Water Polishing Pads BioFoam+)

Trident Nova$84.902 rev

7mo ago

FAPBCC 26 Piece Fx6 Canister Filter Media Kit Replacement Compatible with Fluval Fx4/Fx5/Fx6 Aquarium Filters Including Upgraded 3-in-1 Carbon Pad Bio Foam Carbon Sponge Filter Ceramic Rings

FAPBCC$66.7620 rev

10mo ago

What buyers say about fluval fx6 filter pads

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

What buyers love

Filtration27%

“I like there filtration systems long lasting”

Quality-Overall16%

“Quality product does exactly as advertised”

Value For Money12%

“good price”

Size-Overall12%

“Fit exactly”

Advertised Vs Actual Product9%

“As shown”

Compatibility-Overall4%

“Works great with my FX6”

Ease Of Use3%

“Easy to use”

Ease Of Cleaning2%

“Effective at cleaning the water”

Water Resistance2%

“Made my water crystal clear”

Smell1%

“Keeps my tank clear and odor-free”

What buyers complain about

Quality-Overall21%

“Not a good quality”

Size-Overall12%

“Does not fit the fx2 like it states”

Smell11%

“chemical smell”

Thickness10%

“Actually a little thicker than the fluval”

Compatibility-Overall9%

“when in reality not all of it is compatible at all”

Filtration6%

“Really terrible filter”

Durability4%

“Gave out in about a month”

Value For Money4%

“Is it pricey”

Ease Of Cleaning3%

“Cleaned and it is not working, apparently, reading on forums and online this is an issue”

Water Flow2%

“The none fx fluvals run water in a tight u turn forcing it through all media”

Top return reasons

Size-Overall37%

Filtration19%

Advertised Vs Actual Product9%

Compatibility-Overall6%

Value For Money6%

Functionality-Overall3%

Product Condition3%

Defective Material/Parts3%

Material Quality2%

Leak-Proof2%

Common questions

Is fluval fx6 filter pads profitable to sell on Amazon United States?: The niche generates $72K/yr across 37 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -18.9%. Flapen's verdict: Worth a look (57/100).
How competitive is the fluval fx6 filter pads niche?: 17 brands and 55 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in fluval fx6 filter pads?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Smell. The return rate is 0.8%.
When does demand for fluval fx6 filter pads peak?: Demand peaks in Aug–Sep–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the fluval fx6 filter pads niche?: Listings span $5.56–$254.70; the average listing price is $39.20 (sweet spot $15–$100). The average incumbent carries 769 reviews — the moat a new listing must climb.