Sponge Filter 5 Gallon
FailThe top 5 brands take 91% of clicks, so Sponge Filter 5 Gallon is a Fail.
- Flapen Score
- 47 / 100Ranks 2,474 of 3,978 Pet Supplies niches · −4 vs the category median of 5147
- Market size
- $156K/yr273K searches / yr
- 90-day growth
- +1.2%search demand this quarter
- Competition
- 46%top-5 click share · 12 brands · 18 sellers
Flapen Score
Sponge Filter 5 Gallon against its category
The dotted line is the Pet Supplies average. Past it, Sponge Filter 5 Gallon is stronger. Inside it, weaker.
Market
The Sponge Filter 5 Gallon market on Amazon at a glance
Shoppers on Amazon United States searched for Sponge Filter 5 Gallon 273K times last year and spent an estimated $156K. The top 5 brands take 91% of clicks. Demand peaks in May. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 5.2% of those searches ended in a purchase.
Shoppers searched for this 273K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.2% of those searches ended in a purchase. Searches in the last 90 days moved +1.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $156K a year.
- Searches, last 12 months
- 273K
- Growth, 90 days vs prior 90
- +1.2%
- Conversion, latest week
- 5.2%
- Market size, estimated
- $156Ka year
- Peak month
- May1.7× the quietest month
- Top search term
- sponge filter 5 gallon56K searches a year
02 · Price
A sale here is worth $10.93.
Listings sell for $10.93 on average, from $5.91 to $23.81. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 250 to 500 of them. At $10.93 that is $3K to $5K a year per listing.
- Average price
- $10.93under the $15 to $100 sweet spot
- Price range
- $5.91–$23.81
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $3K–$5K
- Returns
- 2.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
91% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.0% of listings are out of stock. The average listing ranks #111 within Fish & Aquatic Pets. It carries 1,626 reviews at 4.37 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 91%
- Prime listings
- 100%
- Out of stock, average day
- 3.0%
- Average rank
- #111in Fish & Aquatic Pets
- Average rating
- 4.37 starsAmazon United States average 4.42 stars
- Average reviews
- 1,626per listing
- Listings tracked
- 33
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 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 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Sponge Filter 5 Gallon 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
AQUANEAT 3 Pack Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank (Small up to 10Gal)
- Price
- $6.55
- Rating
- 4.7/5
- Reviews
- 3,351
- Age
- 9y ago

Pawfly 3 Pack Aquarium Sponge Filter Quiet Betta Fry Shrimp and Small Fish Foam Filter for Tiny Fish Tank up to 10 Gallon
- Price
- $6.11
- Rating
- 4.6/5
- Reviews
- 2,249
- Age
- 4y ago

AQUANEAT Aquarium Air Powered Sponge Filter Fish Tank Bio Bubble Filter with Airline Tubing Valves Suction Cup(up to 10Gal)
- Price
- $6.33
- Rating
- 4.7/5
- Reviews
- 3,143
- Age
- 9y ago

AQUANEAT Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank (Small up to 10Gal)
- Price
- $5.92
- Rating
- 4.7/5
- Reviews
- 9,197
- Age
- 9y ago

Pawfly Aquarium Sponge Filter Mini Sponge Filter Kit with Airline Tubing and Control Valve for Small Fish Tank up to 3 Gallon
- Price
- $5.92
- Rating
- 4.5/5
- Reviews
- 1,964
- Age
- 5y ago
Trending
estimated 90-day click momentum
Carefree Fish Aquarium Small Sponge Bubble Filter with Fish Poops Collector Quiet for 3~8Gal Fish Tank for Saltwater and Freshwater(Not Include Air Pump)
- Price
- $9.82
- Rating
- 4.0/5
- Reviews
- 30
- Age
- 3mo ago

AQUANEAT Aquarium Air Powered Sponge Filter Fish Tank Bio Bubble Filter with Airline Tubing Valves Suction Cup(up to 10Gal)
- Price
- $6.33
- Rating
- 4.7/5
- Reviews
- 3,143
- Age
- 9y ago

Pawfly Aquarium Sponge Filter Mini Sponge Filter Kit with Airline Tubing and Control Valve for Small Fish Tank up to 3 Gallon
- Price
- $5.92
- Rating
- 4.5/5
- Reviews
- 1,964
- Age
- 5y ago

UPETTOOLS Mini Aquarium Sponge Filter Small Fish Tank Filter Submersible Fish Filter Built-in Air Bubble Stone and Bio Balls for Fish Tanks up to 5 Gallon (Air Pump Not Included)
- Price
- $8.50
- Rating
- 4.4/5
- Reviews
- 229
- Age
- 2y ago

AQUANEAT Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank (Middle up to 20Gal)
- Price
- $7.86
- Rating
- 4.7/5
- Reviews
- 9,197
- Age
- 5y ago
Newest
by launch date
Carefree Fish Aquarium Small Sponge Bubble Filter with Fish Poops Collector Quiet for 3~8Gal Fish Tank for Saltwater and Freshwater(Not Include Air Pump)
- Price
- $9.82
- Rating
- 4.0/5
- Reviews
- 30
- Age
- 3mo ago

UPETTOOLS Mini Aquarium Sponge Filter Small Fish Tank Filter Submersible Fish Filter Built-in Air Bubble Stone and Bio Balls for Fish Tanks up to 5 Gallon (Air Pump Not Included)
- Price
- $8.50
- Rating
- 4.4/5
- Reviews
- 229
- Age
- 2y ago

Pawfly Mini Aquarium Sponge Filter Small Fish Tank Internal Filter with Foam and Air Stone Submersible Bio Sponge Filter for Fish Tanks up to 5 Gallon (Air Pump & Airline Tubing Not Included)
- Price
- $7.49
- Rating
- 4.2/5
- Reviews
- 541
- Age
- 2y ago

hygger Aquarium Sponge Filter 8-20 Gallon Small Fish Tank Filter for Turtle Breeding Fry Shrimp Snails Betta Air-Powered Filter with Reusable Biochemical Ball Spare Sponge Foam Filter
- Price
- $13.66
- Rating
- 4.4/5
- Reviews
- 398
- Age
- 2y ago

NICREW Slim Aquarium Filter Quiet Fish Tank HOB Filters for up to 5 Gallon Aquariums Adjustable Flow 42 GPH 3W
- Price
- $12.34
- Rating
- 4.1/5
- Reviews
- 2,763
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 46% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 rising
Sellers
18
Est. top-5 brand share
91%
Top 20: 100%
Est. top-5 click share
46%
Top 20: 86%
Open market
7%
- AQUANEAT41%
- Pawfly27%
- hygger14%
- AQQA6%
- Carefree Fish3%
- DEGGOX2%
- Open — no brand owns it (6 brands, 7%)
Demand
Sponge Filter 5 Gallon search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May · busiest ÷ quietest = 1.7×
Search terms
Top Sponge Filter 5 Gallon search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sponge filter 5 gallon56K/yr
- sponge filter 10 gallon49K/yr
- sponge filter 10+ gallon43K/yr
- small sponge filter30K/yr
- mini sponge filter17K/yr
- nano sponge filter13K/yr
- 10 gallon sponge filter12K/yr
- sponge filter 5+ gallon11K/yr
- 5 gallon sponge filter10K/yr
- sponge filter for 10 gallon tank8K/yr
Reviews and returns
What reviews say buyers love and hate about Sponge Filter 5 Gallon
We read the reviews and the return reasons for every product selling here.
“Broken”
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.
17 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 Sponge Filter 5 Gallon 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









