aquaclear 20
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$32.36avg listing price — sweet spot $15–$100
Price range
Great$11.45–$41.88cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good1,463avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Returns
Okay4.2%return rate — above 6% kills the launch gate
Growth
Bad-8.2%90-day search growth — must beat 0% to launch
Market size
Bad$58K$58K/yr · 45K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, aquaclear 20 is a $58K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 33/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
aquaclear 20 market data
- Units sold / yr
- 3K–4K
- avg 500–750/product
- Revenue / yr
- $97K–$129K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 3.9%
- Avg BSR
- #150
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 14.1%
- Avg brand age
- 55 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 falling
Sellers
24
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Fluval100%
Demand
Weekly Amazon search volume, last 45 weeks — -8.2% search growth over the last 90 days.Top aquaclear 20 search terms
- fluval ac2020K/yr
- aquaclear 2017K/yr
- fluval ac20 power filter4K/yr
- aqua clear 20 gallon fish tank filter4K/yr
Top aquaclear 20 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AC20 Power Filter 5-20 US Gal / 18-76 L - Fluval USA (fluvalaquatics.com)
Fluval$34.784.4★636 rev

Fluval - Media Maintenance Kit for AC20 Power Filter - for Use in Freshwater & Saltwater Aquariums
Fluval$11.454.6★216 rev

AquaClear 30 Power Filter Fish Tank Filter for 10- to 30-Gallon Aquariums
Fluval$41.884.2★4,586 rev

AC30 Power Filter 10-30 US Gal / 38-114 L - Fluval USA (fluvalaquatics.com)
Fluval$41.313.9★414 rev
Newest
by launch date
AC20 Power Filter 5-20 US Gal / 18-76 L - Fluval USA (fluvalaquatics.com)
Fluval$34.78636 rev

Fluval - Media Maintenance Kit for AC20 Power Filter - for Use in Freshwater & Saltwater Aquariums
Fluval$11.45216 rev

AC30 Power Filter 10-30 US Gal / 38-114 L - Fluval USA (fluvalaquatics.com)
Fluval$41.31414 rev

AquaClear 30 Power Filter Fish Tank Filter for 10- to 30-Gallon Aquariums
Fluval$41.884,586 rev
Trending
90-day click momentum
AquaClear 30 Power Filter Fish Tank Filter for 10- to 30-Gallon Aquariums
Fluval$41.884.2★

AC20 Power Filter 5-20 US Gal / 18-76 L - Fluval USA (fluvalaquatics.com)
Fluval$34.784.4★

Fluval - Media Maintenance Kit for AC20 Power Filter - for Use in Freshwater & Saltwater Aquariums
Fluval$11.454.6★

AC30 Power Filter 10-30 US Gal / 38-114 L - Fluval USA (fluvalaquatics.com)
Fluval$41.313.9★
What buyers say about aquaclear 20
What buyers praise and complain about, mined from review topics.What buyers love
“Decent filter”
“Excellent product”
“Great value”
“perfect to keep our tank clean”
“Easy and efficient”
“was a very easy repair with no issues since”
“Adjustable flow doesnt uproot plants”
“Will not leak when properly mounted”
“Fit perfect and exactly what i needed”
“Crystal clear water”
What buyers complain about
“Started leaking immediately”
“Worst filter ever”
“Too expensive, you must change the filters so much”
“Broke after a month of use”
“Arrived used and wet in a ziplock bag”
“It is difficult to control water flow to how you want it”
“Poor quality control”
“The carbon bags were way too big for the slot for it”
“Doesnt work”
“do a poor job keeping the tank clean”
Top return reasons
Common questions
- Is aquaclear 20 profitable to sell on Amazon United States?
- The niche generates $58K/yr across 4 tracked products. 90-day search growth is -8.2%. Flapen's verdict: Skip it (33/100).
- How competitive is the aquaclear 20 niche?
- 1 brands and 24 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in aquaclear 20?
- Top complaints mined from reviews: Leak-Proof, Filtration, Value For Money. The return rate is 4.2%.
- What does it cost to enter the aquaclear 20 niche?
- Listings span $11.45–$41.88; the average listing price is $32.36 (sweet spot $15–$100). The average incumbent carries 1,463 reviews — the moat a new listing must climb.