---
title: "Bio Media — $777K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/bio-media"
last_updated: "2026-07-21T19:34:57.045Z"
locale: en
meta:
description: "Niche score 50/100 · $777K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $777K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bio Media — $777K/yr Amazon US Niche (2026) - Flapen"
---
# **bio media**
**Worth a look**
Shows a sweet-spot price point ($60.22 avg), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.
Market size 72Growth 16Conversion 47Competition 73Returns 83Price range 29Avg price 89Brand share 5Review moat 25Quality gap 53
**Avg price**
**Great****$60.22**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.6%**
return rate — above 6% kills the launch gate
**Competition**
**Good****41%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Good****$777K**
$777K/yr · 345K searches
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****3.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****$4.66–$293.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Bad****4,341.13**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-18.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, bio media is a $777K/yr Amazon United States market (345K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan–Nov. Verdict: Worth a look — 50/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bio media market data**
- **Units sold / yr**
- **13K–15K**
- avg 250–500/product
- **Revenue / yr**
- **$753K–$903K**
- units × avg price
- **Launch success**
- **—**
- 1 of 2 new (360d)
- **Conversion rate**
- **3.7%**
- **Avg BSR**
- **#193**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **2.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▼falling
**Sellers**
**77**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**41%**
Top 20: 81%
**Open market**
**1%**
- Fluval91% - Tofcbye3% - Podoy2% - THREELIN1% - FIX ZHANG1% - beaufan1% - Open — no brand owns it (2 brands, 1%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -18.8% search growth over the last 90 days.
10K6KSpike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Nov · busiest ÷ quietest = 4.0×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/bio-media/trend)
## **Top bio media search terms**
- **fluval**143K/yr-13.1%1.7% conv. - **fluval filter**137K/yr-25.9%2.7% conv. - **fluval aquarium filter**12K/yr-19.8%2.1% conv. - **fluval fx4 filter media**11K/yr-26.6%4.4% conv. - **fx4 filter media**8K/yr-5.7%4.6% conv. - **fluval fx6 filter media**10K/yr-8.8%4.4% conv. - **fx6 filter media**7K/yr-18.0%2.9% conv. - **fluval filters**8K/yr-4.8%2.6% conv. - **fx6 filter pads**5K/yr-30.2%2.6% conv. - **fluval fish tank filter**4K/yr-4.4%2.9% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/bio-media/search-terms)
## **Top bio media 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.
0%4%$31K8%$62K12%$93K16%$124K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 40 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**AC50 Power Filter 20-50 US Gal / 76-190 L - Fluval USA (fluvalaquatics.com)**Fluval**$51.47**4.3★363 rev](https://www.amazon.com/dp/B0DCG2JH8Y) [2**AC20 Power Filter 5-20 US Gal / 18-76 L - Fluval USA (fluvalaquatics.com)**Fluval**$34.78**4.4★636 rev](https://www.amazon.com/dp/B0DCG4TWQK) [3**Fluval 407 Perfomance Canister Filter - For Aquariums Up To 100 Gallons - Aquarium Canister Filter**Fluval**$211.38**4.5★9,902 rev](https://www.amazon.com/dp/B07JFY2QW6) [4**AquaClear 70 Power Filter Fish Tank Filter for 40- to 70-Gallon Aquariums Black**Fluval**$65.35**4.3★4,920 rev](https://www.amazon.com/dp/B000260FUW) [5**Fluval 307 Perfomance Canister Filter - for Aquariums Up to 70 Gallons - Aquarium Canister Filter**Fluval**$166.88**4.5★9,902 rev](https://www.amazon.com/dp/B07JH4JHTC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**$84.90**2 rev7mo ago](https://www.amazon.com/dp/B0G36DLLJ3) [**Aquarium Filter Media Set for Fluval SPEC EVO Betta and Flex Desktop Aquarium Series Includes 1 Biomax Filter Media 1 Carbon Filter Refills 1 Foam Filter 1 Filter Cord and 2 Cleaning Brushes**FIX ZHANG**$18.31**11 rev8mo ago](https://www.amazon.com/dp/B0G13NMFP1) [**23 PCS Aquarium Media Kits Replacement for Fluval FX2 / FX4 / FX5 / FX6 Canister Filters Including Bio-Foam Block Carbon Sponge Filter Ceramic Ring Activated Carbon Silicone Lubricant Mesh Bag**beaufan**$56.25**57 rev1y ago](https://www.amazon.com/dp/B0FGT88PDH) [**Tofcbye Replacement Filter Media Kit for Fluval FX2/FX4/FX5/FX6 Aquarium Filters 28 Pcs**Tofcbye**$48.35**66 rev1y ago](https://www.amazon.com/dp/B0F6CP4KWR) [**Threlaco 24 Pcs Aquarium Filter Media Kit Compatible with Fluval Fx4/Fx5/Fx6 Filters 4 Bio-Sponge Pads 6 Bio-Sponge Block 6 Activated Carbon 4 Carbon Foam Pad 2 Silicone Lube 2 Ceramic Rings**Threlaco**$59.67**34 rev1y ago](https://www.amazon.com/dp/B0DW33G56W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Aquarium Filter Media Set for Fluval SPEC EVO Betta and Flex Desktop Aquarium Series Includes 1 Biomax Filter Media 1 Carbon Filter Refills 1 Foam Filter 1 Filter Cord and 2 Cleaning Brushes**FIX ZHANG**$18.31**4.7★**▲ 222%**](https://www.amazon.com/dp/B0G13NMFP1) [**AquaClear 70 Power Filter Fish Tank Filter for 40- to 70-Gallon Aquariums Black**Fluval**$65.35**4.3★**▲ 175%**](https://www.amazon.com/dp/B000260FUW) [**Tofcbye Replacement Filter Media Kit for Fluval FX2/FX4/FX5/FX6 Aquarium Filters 28 Pcs**Tofcbye**$48.35**4.4★**▲ 130%**](https://www.amazon.com/dp/B0F6CP4KWR) [**Fluval - Media Maintenance Kit for AC50 Power Filter - for Use in Freshwater & Saltwater Aquariums**Fluval**$13.26**4.7★**▲ 80%**](https://www.amazon.com/dp/B0DCP6JTNK) [**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**$84.90**3.0★**▲ 63%**](https://www.amazon.com/dp/B0G36DLLJ3)
**~~View all trending →~~**
## **What buyers say about bio media**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Filtration**28%
*“Good quality filter”*
**Quality-Overall**16%
*“Quality product does exactly as advertised”*
**Value For Money**9%
*“DECENT PRICE”*
**Advertised Vs Actual Product**7%
*“As shown”*
**Size-Overall**5%
*“Fit exactly”*
**Ease Of Cleaning**4%
*“you keep them clean”*
**Ease Of Use**4%
*“Easy to use”*
**Water Flow**3%
*“Helps keep water clear”*
**Spray/Flow**2%
*“The pump has nice flow”*
**Durability**2%
*“It has been almost a year since I purchased this”*
### **What buyers complain about **
**Durability**14%
*“broke after just over a year of use”*
**Filtration**12%
*“Worst filter ever”*
**Leak-Proof**7%
*“Leaks badly”*
**Value For Money**7%
*“Not inexpensive either”*
**Quality-Overall**6%
*“No quality control”*
**Ease Of Cleaning**5%
*“Arrived completely dirty”*
**Product Condition**4%
*“Received used product”*
**Water Flow**4%
*“Its so hard to get water flowing again”*
**Size-Overall**4%
*“A little off-sized”*
**Functionality-Overall**3%
*“Impeller stops often other than nice and quite”*
### **Top return reasons **
**Size-Overall**27%
**Filtration**23%
**Product Condition**7%
**Defective Material/Parts**6%
**Compatibility-Overall**6%
**Value For Money**6%
**Leak-Proof**6%
**Advertised Vs Actual Product**5%
**Functionality-Overall**5%
**Durability**2%
## **Common questions**
- **Is bio media profitable to sell on Amazon United States?**
- The niche generates $777K/yr across 40 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -18.8%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the bio media niche?**
- 8 brands and 77 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in bio media?**
- Top complaints mined from reviews: Durability, Filtration, Leak-Proof. The return rate is 1.6%.
- **When does demand for bio media peak?**
- Demand peaks in Jan–Nov; the busiest month runs 4.0× the quietest.
- **What does it cost to enter the bio media niche?**
- Listings span $4.66–$293.23; the average listing price is $60.22 (sweet spot $15–$100). The average incumbent carries 4,341 reviews — the moat a new listing must climb.
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