---
title: "29 Gallon Aquarium — $50K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/29-gallon-aquarium"
last_updated: "2026-07-21T19:36:58.662Z"
locale: en
meta:
description: "Niche score 27/100 · $50K/yr market · 66K searches/yr · $167.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 27/100 · $50K/yr market · 66K searches/yr · $167.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "29 Gallon Aquarium — $50K/yr Amazon US Niche (2026) - Flapen"
---
# **29 gallon aquarium**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 13Growth 24Conversion 6Competition 17Returns 42Price range 10Avg price 52Brand share 0Review moat 51Quality gap 82
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$167.53**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****1,477.3**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.0%**
return rate — above 6% kills the launch gate
**Growth**
**Bad****-1.2%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$50K**
$50K/yr · 66K searches
**Price range**
**Bad****$70.78–$368.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 29 gallon aquarium is a $50K/yr Amazon United States market (66K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 27/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **29 gallon aquarium market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$42K–$84K**
- units × avg price
- **Launch success**
- **—**
- 3 of 3 new (360d)
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#29**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **60%**
- **Out of stock**
- **9.2%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**0%**
- Tetra48% - Aqueon32% - XDPET15% - COOSPIDER2% - GloFish2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.
2K1KHoliday '24Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/29-gallon-aquarium/trend)
## **Top 29 gallon aquarium search terms**
- **29 gallon aquarium**29K/yr-2.0%0.4% conv. - **29 gallon aquarium kit**8K/yr+5.4%0.3% conv. - **30 gallon fish tank kit**8K/yr-13.1%0.3% conv. - **30 gal fish tank**7K/yr+34.9%0.3% conv. - **29 gallon tank**4K/yr+33.4%0.5% conv. - **25 gallon aquarium**4K/yr-5.7%0.3% conv. - **30 gallon aquarium kit**4K/yr-41.2%0.0% conv. - **fish tank 30 gallon aquarium kit full set**1K/yr-24.7%0.0% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/29-gallon-aquarium/search-terms)
## **Top 29 gallon aquarium 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%10%$5K20%$10K30%$15K40%$20K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Tetra Glass Aquarium 29 Gallons Rectangular Fish Tank**Tetra**$131.16**4.6★998 rev](https://www.amazon.com/dp/B08BJ9FQY7) [2**Ultra Clear Glass Aquarium Thickened Large Fish Tank -Suitable for High-end Fish Enthusiasts (29 Gallon Tank)**XDPET**$126.91**4.0★56 rev](https://www.amazon.com/dp/B0FQJG421S) [3**Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish Perfect for Tetras Guppies Platies 10-Gallon**Aqueon**$117.27**4.3★2,482 rev](https://www.amazon.com/dp/B0DT1VKK9S) [4**Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish 20-Gallon**Aqueon**$179.13**4.3★2,482 rev](https://www.amazon.com/dp/B0DT1NMX61) [5**Tetra Aquarium 20 Gallon Complete Tropical Fish Tank Kit With LED Lighting And Decor For Freshwater Fish**Tetra**$123.28**4.3★3,796 rev](https://www.amazon.com/dp/B013BXDZ90)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Coospider 20 Gallon Glass Fish Tank Aquarium Starter Kit Simple Self-Cleaning Aquarium with 3-Color LED Lights with Quiet Filter Pump with Temperature Monitoring for Fish Shrimp Kids Gift Ideas**COOSPIDER**$185.20**196 rev6mo ago](https://www.amazon.com/dp/B0GFK4FMMT) [**Ultra Clear Glass Aquarium Thickened Large Fish Tank -Suitable for High-end Fish Enthusiasts (29 Gallon Tank)**XDPET**$126.91**56 rev10mo ago](https://www.amazon.com/dp/B0FQJG421S) [**GloFish Glass Aquarium Kit 20 Gallons Includes Premium Blue LED Light Stick & Integrated Filtration Perfect for Beginners or Seasoned Hobbyists Seamless Curved Design**GloFish**$240.41**58 rev11mo ago](https://www.amazon.com/dp/B0FM6KNRHG) [**Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish Perfect for Tetras Guppies Platies 10-Gallon**Aqueon**$117.27**2,482 rev1y ago](https://www.amazon.com/dp/B0DT1VKK9S) [**Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish 20-Gallon**Aqueon**$179.13**2,482 rev1y ago](https://www.amazon.com/dp/B0DT1NMX61)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Coospider 20 Gallon Glass Fish Tank Aquarium Starter Kit Simple Self-Cleaning Aquarium with 3-Color LED Lights with Quiet Filter Pump with Temperature Monitoring for Fish Shrimp Kids Gift Ideas**COOSPIDER**$185.20**3.8★**▲ 176%**](https://www.amazon.com/dp/B0GFK4FMMT) [**Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish Perfect for Tetras Guppies Platies 10-Gallon**Aqueon**$117.27**4.3★**▲ 106%**](https://www.amazon.com/dp/B0DT1VKK9S) [**Tetra Complete LED Aquarium 55 Gallons Includes LED Lighting Filtration Heater and Accessories**Tetra**$368.31**4.2★**▲ 26%**](https://www.amazon.com/dp/B09WYXZ61D) [**Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish 20-Gallon**Aqueon**$179.13**4.3★**— 2%**](https://www.amazon.com/dp/B0DT1NMX61) [**Ultra Clear Glass Aquarium Thickened Large Fish Tank -Suitable for High-end Fish Enthusiasts (29 Gallon Tank)**XDPET**$126.91**4.0★**— 2%**](https://www.amazon.com/dp/B0FQJG421S)
**~~View all trending →~~**
## **What buyers say about 29 gallon aquarium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“High quality tank”*
**Value For Money**11%
*“Definitely worth the money”*
**Design-Overall**10%
*“it's attractive”*
**Advertised Vs Actual Product**7%
*“As expected”*
**Size-Overall**6%
*“Great size”*
**Filtration**5%
*“the filter works really well”*
**Thickness**3%
*“the glass feels thick”*
**Strength**3%
*“Strong, well made”*
**Water Flow**3%
*“It has a convenient pump built in which allows for EASY drainage”*
**Ease Of Cleaning**3%
*“Clean, silicone free seems”*
### **What buyers complain about **
**Filtration**25%
*“realized the filter was terrible”*
**Instructions/User Manual/Troubleshooting**10%
*“instructions not very clear”*
**Leak-Proof**9%
*“Leaks around lid. not the tank”*
**Advertised Vs Actual Product**8%
*“The pictures are kind of misleading”*
**Size-Overall**5%
*“10-gallon tank is 2.30 shorter than expected. L × W × H”*
**Heating**5%
*“However the heater was broken just kept turning on”*
**Durability**5%
*“good will only last a few months”*
**Quality-Overall**4%
*“especially the light holders are so cheap”*
**Defective Material/Parts**4%
*“Manufacturer defect”*
**Functionality-Overall**3%
*“The light never worked”*
### **Top return reasons **
**Size-Overall**52%
**Value For Money**11%
**Advertised Vs Actual Product**8%
**Leak-Proof**8%
**Filtration**4%
**Defective Material/Parts**4%
**Quality-Overall**2%
**Weight Heavy**2%
**Heating**1%
**Material Quality**1%
## **Common questions**
- **Is 29 gallon aquarium profitable to sell on Amazon United States?**
- The niche generates $50K/yr across 10 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -1.2%. Flapen's verdict: Skip it (27/100).
- **How competitive is the 29 gallon aquarium niche?**
- 5 brands and 11 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 29 gallon aquarium?**
- Top complaints mined from reviews: Filtration, Instructions/User Manual/Troubleshooting, Leak-Proof. The return rate is 4.0%.
- **When does demand for 29 gallon aquarium peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the 29 gallon aquarium niche?**
- Listings span $70.78–$368.31; the average listing price is $167.53 (sweet spot $15–$100). The average incumbent carries 1,477 reviews — the moat a new listing must climb.
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