filter floss
Worth a lookShows low returns (0.5%), but soft demand (+7.5% this quarter) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,004.1avg incumbent reviews — the moat a new listing must climb
Avg price
Good$12.93avg listing price — sweet spot $15–$100
Brand share
Good74%top-5 brand share — brands hold most of the demand
Market size
Okay$243K$243K/yr · 188K searches
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Price range
Okay$5.05–$22.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+7.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, filter floss is a $243K/yr Amazon United States market (188K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jan–Apr. Verdict: Worth a look — 54/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
filter floss market data
- Units sold / yr
- 15K–20K
- avg 1,000–1,250/product
- Revenue / yr
- $194K–$259K
- units × avg price
- Launch success
- 17%
- 1 of 6 new (360d)
- Conversion rate
- 10.0%
- Avg BSR
- #228
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 90%
- Out of stock
- 3.4%
- Avg brand age
- 59 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
24
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
60%
Top 20: 100%
Open market
20%
- Aquatic Experts37%
- RAINFLOW14%
- hygger9%
- MAQIHAN8%
- Pawfly7%
- charmshine6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +7.5% search growth over the last 90 days.Peak months: Jan, Apr · busiest ÷ quietest = 1.8×
Top filter floss search terms
- filter floss92K/yr
- aquarium filter floss38K/yr
- filter floss for fish tank36K/yr
- filter floss aquarium8K/yr
- aquarium floss7K/yr
- filter fiber3K/yr
- filter floss for saltwater aquarium3K/yr
Top filter floss 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Aquatic Experts Aquarium Filter Floss for Fish Tank Filters - FilterFirst Aquarium Filter Pad - Media Roll for Crystal Clear Water 3/4 - 1 Thick (12 Inch Wide 72 Inch Long)
Aquatic Experts$21.804.7★6,463 rev
Aquarium Filter Pad - Aquarium Filter Media Aquarium Filter Floss 39.4 x 11.8in Filter Pad Filter Floss for Fish Tank Aquarium Ponds Garden?Saltwater Fershwater Plant Trutle(White)
RAINFLOW$6.734.5★136 rev
Aquatic Experts Aquarium Polishing Filter Pad Water Polishing Pad for Aquarium Filters Filter Floss for Fish Tank Filters (100 Micron 24 x 36 - 1 Pack)
Aquatic Experts$15.304.6★3,595 rev
MAQIHAN Aquarium Filter Pad Aquarium Filter Media 39.4 x 11.8in Aquarium Filter Floss for Freshwater & Saltwater Fish Tanks Ponds Turtle Water Polishing Pad for Clear Water
MAQIHAN$6.764.0★791 rev
hygger 1 Thick Aquarium Filter Floss 12x 68 Poly Fiber Fish Tank Filter Media Water Polishing Filter Pad for Sump Canister Hang On Back Filter Cut to Size
hygger$13.654.6★197 rev
Newest
by launch date
NovAbyss Aquarium Filter Floss Filter Floss for Fish Tank Aquarium Filter Media Polyester Fiber Sponge for All Filter Cotton for Freshwater & Saltwater Safe 5 Ounces
NovAbyss$9.8123 rev
PjAmzShuy 3mm Ultra-Thin Aquarium Filter Floss Pad
PjAmzShuy$9.7933 rev
Borlech Aquarium Filter Floss Pad - Mechanical & Polishing Polyester Media for Fish Tank Filters Ultra-Clear Water in No Time 3/4 Thick (39.4 x 11.8) 1 Pack
Borlech$8.33182 rev
hygger 100 Micron Aquarium Filter Pad Extra Fine Filter Floss for Fish Tank Poly Filter Media Wool Water Polishing Felt 12x 40
hygger$11.1762 rev
AQUANEAT Aquarium Filter Sponge 8-Layer Filter Media Pad Cut-to-Size Foam Floss for Fish Tank Sump Pond (16 x 12 x 0.6)
AQUANEAT$5.7379 rev
Trending
90-day click momentumNovAbyss Aquarium Filter Floss Filter Floss for Fish Tank Aquarium Filter Media Polyester Fiber Sponge for All Filter Cotton for Freshwater & Saltwater Safe 5 Ounces
NovAbyss$9.814.9★
PjAmzShuy 3mm Ultra-Thin Aquarium Filter Floss Pad
PjAmzShuy$9.794.4★
Big Kahuna Aquarium Filter Floss Rolls 12-inch Pond and Aquarium Filter Media 1-inch Thick Wet/Dry Aquarium Filter Pad Bonded Filter Media Pad for Freshwater or Marine Aquariums Ponds 6ft
BIG KAHUNA TROPICAL FISH$16.464.5★
hygger 100 Micron Aquarium Filter Pad Extra Fine Filter Floss for Fish Tank Poly Filter Media Wool Water Polishing Felt 12x 40
hygger$11.174.6★
Aquarium Filter Pad - Aquarium Filter Media Aquarium Filter Floss 39.4 x 11.8in Filter Pad Filter Floss for Fish Tank Aquarium Ponds Garden?Saltwater Fershwater Plant Trutle(White)
RAINFLOW$6.734.5★
What buyers say about filter floss
What buyers praise and complain about, mined from review topics.What buyers love
“Very Effective Filter”
“The fiber quality is consistent”
“it helps keep tank clean”
“Excellent price”
“Exactly what I needed”
“Very easy to use”
“Size as stated”
“The material is easy to cut”
“Thickness is good”
“It holds up well during use”
What buyers complain about
“thickness of the filter”
“Misleading listing, IMO”
“Not suitable for any filter”
“Not good quality”
“it is still no where near the size the description says”
“Does not work”
“that became expensive”
“they fell apart after a few days”
“Not good material”
“Thinner and lesser than advertised”
Top return reasons
Common questions
- Is filter floss profitable to sell on Amazon United States?
- The niche generates $243K/yr across 20 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is +7.5%. Flapen's verdict: Worth a look (54/100).
- How competitive is the filter floss niche?
- 13 brands and 24 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in filter floss?
- Top complaints mined from reviews: Thickness, Advertised Vs Actual Product, Filtration. The return rate is 0.5%.
- When does demand for filter floss peak?
- Demand peaks in Jan–Apr; the busiest month runs 1.8× the quietest.
- What does it cost to enter the filter floss niche?
- Listings span $5.05–$22.30; the average listing price is $12.93 (sweet spot $15–$100). The average incumbent carries 1,004 reviews — the moat a new listing must climb.