10 Gallon Fish Tank Filter Cartridges
FailThe top 5 brands take 94% of clicks, so 10 Gallon Fish Tank Filter Cartridges is a Fail.
- Flapen Score
- 40 / 100Ranks 3,360 of 3,978 Pet Supplies niches · −11 vs the category median of 5140
- Market size
- $104K/yr53K searches / yr
- 90-day growth
- +3.2%search demand this quarter
- Competition
- 77%top-5 click share · 7 brands · 41 sellers
Flapen Score
10 Gallon Fish Tank Filter Cartridges against its category
The dotted line is the Pet Supplies average. Past it, 10 Gallon Fish Tank Filter Cartridges is stronger. Inside it, weaker.
Market
The 10 Gallon Fish Tank Filter Cartridges market on Amazon at a glance
Shoppers on Amazon United States searched for 10 Gallon Fish Tank Filter Cartridges 53K times last year and spent an estimated $104K. The top 5 brands take 94% of clicks. Demand peaks in Sep. Flapen scores it 40 out of 100, a Fail.
01 · Demand
An estimated 13.7% of those searches ended in a purchase.
Shoppers searched for this 53K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.7% of those searches ended in a purchase. Searches in the last 90 days moved +3.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $104K a year.
- Searches, last 12 months
- 53K
- Growth, 90 days vs prior 90
- +3.2%
- Conversion, latest week
- 13.7%
- Market size, estimated
- $104Ka year
- Peak month
- September2.3× the quietest month
- Top search term
- tetra whisper filter medium7K searches a year
02 · Price
A sale here is worth $14.29.
Listings sell for $14.29 on average, from $6.37 to $22.54. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 500 to 750 of them. At $14.29 that is $7K to $11K a year per listing.
- Average price
- $14.29under the $15 to $100 sweet spot
- Price range
- $6.37–$22.54
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $7K–$11K
- Returns
- 1.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.5% of listings are out of stock. The average listing ranks #43 within Fish & Aquatic Pets. It carries 12,594 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 0.5%
- Average rank
- #43in Fish & Aquatic Pets
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 12,594per listing
- Listings tracked
- 12
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top 10 Gallon Fish Tank Filter Cartridges products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Tetra Whisper Bio-Bag Medium Filter Cartridges for Aquariums 3 Count Ready to Use Fits Tetra Whisper Fish Tank Filters 5-10 Gal PF-10 IQ 10
- Price
- $6.37
- Rating
- 4.7/5
- Reviews
- 28,155
- Age
- 22y ago

Tetra Whisper Bio-Bag Medium Filter Cartridges for Aquariums 12 Count Unassembled Fits Tetra Whisper Fish Tank Filters 5-10 Gal PF-10 IQ 10
- Price
- $7.79
- Rating
- 4.7/5
- Reviews
- 28,155
- Age
- 17y ago

xbbwmrs 8 Count Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filters Medium Replacement Filter Cartridges for Whisper ReptoFilter and 10i IQ10 PF10 Power Filters -Ready to Use
- Price
- $19.95
- Rating
- 4.7/5
- Reviews
- 553
- Age
- 2y ago

Tetra Whisper Bio-Bag Medium Filter Cartridges for Aquariums 6 Count Unassembled Fits Tetra Whisper Fish Tank Filters 5-10 Gal PF-10 IQ 10
- Price
- $9.28
- Rating
- 4.7/5
- Reviews
- 28,155
- Age
- 9y ago

Tetra Whisper Bio-Bag Large Filter Cartridges for Aquariums 12 Count Unassembled Fits Tetra Whisper Fish Tank Filters 10-30 Gal 20-40 Gal PF-20 30 40 60 IQ 20 30 45 60
- Price
- $13.89
- Rating
- 4.7/5
- Reviews
- 16,692
- Age
- 22y ago
Trending
estimated 90-day click momentum
Chyodi 16 Pack Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filters Medium for Whisper 10i/IQ10/PF10 and Repto Filter 90 GPH for Medium Aquarium Filter Cartridge
- Price
- $22.25
- Rating
- 4.5/5
- Reviews
- 130
- Age
- 8mo ago

Tetra Whisper Bio-Bag Large Filter Cartridges for Aquariums 12 Count Unassembled Fits Tetra Whisper Fish Tank Filters 10-30 Gal 20-40 Gal PF-20 30 40 60 IQ 20 30 45 60
- Price
- $13.89
- Rating
- 4.7/5
- Reviews
- 16,692
- Age
- 22y ago

Tetra Whisper Bio-Bag Medium Filter Cartridges for Aquariums 6 Count Unassembled Fits Tetra Whisper Fish Tank Filters 5-10 Gal PF-10 IQ 10
- Price
- $9.28
- Rating
- 4.7/5
- Reviews
- 28,155
- Age
- 9y ago

HiTauing 8 Pack EF-S Filter Cartridges for EF-S Element and BF5 BETTAFLO
- Price
- $8.69
- Rating
- 4.6/5
- Reviews
- 3,205
- Age
- 3y ago

Tetra Whisper Power Filter 10 Gallons Quiet 3-Stage Aquarium Filtration
- Price
- $18.71
- Rating
- 3.9/5
- Reviews
- 5,079
- Age
- 21y ago
Newest
by launch date
Chyodi 16 Pack Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filters Medium for Whisper 10i/IQ10/PF10 and Repto Filter 90 GPH for Medium Aquarium Filter Cartridge
- Price
- $22.25
- Rating
- 4.5/5
- Reviews
- 130
- Age
- 8mo ago

Esctabalt 16 Count Medium Filter Cartridges Compatible with Whisper Bio Bag Filters Large Aquarium Filter Cartridge for Whisper 10i/IQ10/PF10 and Repto Filter 90 GPH
- Price
- $22.54
- Rating
- 4.4/5
- Reviews
- 244
- Age
- 2y ago

xbbwmrs 8 Count Medium Filter Cartridges Compatible with Tetra Whisper Bio-Bag Filters Medium Replacement Filter Cartridges for Whisper ReptoFilter and 10i IQ10 PF10 Power Filters -Ready to Use
- Price
- $19.95
- Rating
- 4.7/5
- Reviews
- 553
- Age
- 2y ago

Zuqqony 8 Pack PF-S Filter Cartridges Only Compatible with Silenstream PF10 Power Filters Replacement Aquarium Carbon Cartridge with Zeolite Size 5.5 in L x 3.1 in
- Price
- $9.28
- Rating
- 4.5/5
- Reviews
- 1,406
- Age
- 2y ago

HiTauing 8 Pack EF-S Filter Cartridges for EF-S Element and BF5 BETTAFLO
- Price
- $8.69
- Rating
- 4.6/5
- Reviews
- 3,205
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 77% of clicks. A locked shelf that new listings rarely crack.
Brands
7 rising
Sellers
41
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
77%
Top 20: 100%
Open market
2%
- Tetra72%
- xbbwmrs10%
- Chyodi5%
- Aqueon4%
- HiTauing3%
- Esctabalt3%
- Open — no brand owns it (1 brand, 2%)
Demand
10 Gallon Fish Tank Filter Cartridges search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep · busiest ÷ quietest = 2.3×
Search terms
Top 10 Gallon Fish Tank Filter Cartridges search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- tetra whisper filter medium7K/yr
- tetra medium filter cartridges6K/yr
- whisper bio bag filter cartridges medium6K/yr
- medium fish tank filter6K/yr
- fish tank filter replacement pads5K/yr
- 5 gallon fish tank filter cartridge4K/yr
- medium filter cartridges for aquarium4K/yr
- medium fish tank filter cartridges4K/yr
- tetra whisper 10 filter3K/yr
- filter cartridge replacement4K/yr
Reviews and returns
What reviews say buyers love and hate about 10 Gallon Fish Tank Filter Cartridges
We read the reviews and the return reasons for every product selling here.
“Worst filter ever”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 10 Gallon Fish Tank Filter Cartridges questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









