29 gallon aquarium lid
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Price range
Great$14.84–$34.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$21.39avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great344.83avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.8%return rate — above 6% kills the launch gate
Market size
Okay$172K$172K/yr · 537K searches
Growth
Bad-2.6%90-day search growth — must beat 0% to launch
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Competition
Bad95%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 29 gallon aquarium lid is a $172K/yr Amazon United States market (537K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 38/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
29 gallon aquarium lid market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- $171K–$214K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 1.5%
- Avg BSR
- #7
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 83%
- Out of stock
- 1.0%
- Avg brand age
- 35 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
95%
Top 20: 100%
Open market
0%
- NestBasics77%
- CUCZUUS9%
- imagitarium5%
- MLEJU5%
- Weramics5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.6% search growth over the last 90 days.Peak months: Jun, Jul · busiest ÷ quietest = 3.0×
Top 29 gallon aquarium lid search terms
- aquarium lid77K/yr
- fish tank lid70K/yr
- 20 gallon fish tank lid57K/yr
- 29 gallon aquarium lid39K/yr
- fish tank cover34K/yr
- 20 gallon tank lid26K/yr
- 20 gallon aquarium lid24K/yr
- fish tank top15K/yr
- 20 gallon long tank lid26K/yr
- aquarium cover21K/yr
Top 29 gallon aquarium lid 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Magnetic Aquarium Cover lid Fish Tank lid Anti-Jumping net Cover mesh lid Aquarium Hood
NestBasics$18.644.1★492 rev
CUCZUUS 29.21x11.69 x0.16in Clear Tempered Glass Canopy Aquarium Fish Tank Hoods FITS for Most 20Long/29 Gallon Fish Tanks (Aqueon Marine Land & Perfecto)
CUCZUUS$34.034.4★290 rev
Magnetic Aquarium lid Fish Tank Hood top Cover Anti-Jumping net Cover mesh to Protect Fishs Jumping Out of Fishes Tank Hoods
NestBasics$14.843.7★381 rev
Imagitarium 20 Gallon High/55 Gallon Glass Aquarium Top
imagitarium$23.944.4★88 rev
Magnetic Fish Tank Lid Mesh Aquarium Cover Fits Tanks Up to 37 x 18 in
MLEJU$20.323.5★328 rev
Newest
by launch dateCUCZUUS 29.21x11.69 x0.16in Clear Tempered Glass Canopy Aquarium Fish Tank Hoods FITS for Most 20Long/29 Gallon Fish Tanks (Aqueon Marine Land & Perfecto)
CUCZUUS$34.03290 rev
Imagitarium 20 Gallon High/55 Gallon Glass Aquarium Top
imagitarium$23.9488 rev
Weramics 4 Aquarium lid Hood Fish Tank top Cover Terrarium lid Plastic Grid Panel Egg Crate Grate 6 Aquarium Glass Cover Board Clip
Weramics$16.55490 rev
Magnetic Fish Tank Lid Mesh Aquarium Cover Fits Tanks Up to 37 x 18 in
MLEJU$20.32328 rev
Magnetic Aquarium Cover lid Fish Tank lid Anti-Jumping net Cover mesh lid Aquarium Hood
NestBasics$18.64492 rev
Trending
90-day click momentumMagnetic Aquarium Cover lid Fish Tank lid Anti-Jumping net Cover mesh lid Aquarium Hood
NestBasics$18.644.1★
Imagitarium 20 Gallon High/55 Gallon Glass Aquarium Top
imagitarium$23.944.4★
Magnetic Fish Tank Lid Mesh Aquarium Cover Fits Tanks Up to 37 x 18 in
MLEJU$20.323.5★
CUCZUUS 29.21x11.69 x0.16in Clear Tempered Glass Canopy Aquarium Fish Tank Hoods FITS for Most 20Long/29 Gallon Fish Tanks (Aqueon Marine Land & Perfecto)
CUCZUUS$34.034.4★
Weramics 4 Aquarium lid Hood Fish Tank top Cover Terrarium lid Plastic Grid Panel Egg Crate Grate 6 Aquarium Glass Cover Board Clip
Weramics$16.554.4★
What buyers say about 29 gallon aquarium lid
What buyers praise and complain about, mined from review topics.What buyers love
“Its exactly what I expected fits perfectly”
“Good quality glass top-no complaints”
“Easy to make easy to use”
“Good for the price”
“Exactly as described”
“the instructions are clear”
“The glass makes it super easy to clean up”
“Feels sturdy”
“Works great and seems durable”
“works very well”
What buyers complain about
“A little hard to put together”
“Slightly too long”
“Very flimsy”
“Confusing instructions for some”
“Adhesive does not stick”
“the hard part is getting everything to snap together”
“after a few weeks it just popped off”
“Awful product quality cheap”
“Innovative design a little bit bulky”
“My biggest complaint is the description isnt truthful”
Top return reasons
Common questions
- Is 29 gallon aquarium lid profitable to sell on Amazon United States?
- The niche generates $172K/yr across 6 tracked products. 90-day search growth is -2.6%. Flapen's verdict: Skip it (38/100).
- How competitive is the 29 gallon aquarium lid niche?
- 5 brands and 8 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 29 gallon aquarium lid?
- Top complaints mined from reviews: Assembly/Installation, Size-Overall, Strength. The return rate is 3.8%.
- When does demand for 29 gallon aquarium lid peak?
- Demand peaks in Jun–Jul; the busiest month runs 3.0× the quietest.
- What does it cost to enter the 29 gallon aquarium lid niche?
- Listings span $14.84–$34.03; the average listing price is $21.39 (sweet spot $15–$100). The average incumbent carries 345 reviews — the moat a new listing must climb.