Is 30 gallon water tank profitable to sell on Amazon United States?

The niche generates $104K/yr across 26 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +29.4%. Flapen's verdict: Worth a look (51/100).

How competitive is the 30 gallon water tank niche?

19 brands and 44 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 61% of demand.

What do buyers complain about in 30 gallon water tank?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 2.8%.

When does demand for 30 gallon water tank peak?

Demand peaks in Aug; the busiest month runs 2.0× the quietest.

What does it cost to enter the 30 gallon water tank niche?

Listings span $29.39–$215.69; the average listing price is $126.20 (sweet spot $15–$100). The average incumbent carries 245 reviews — the moat a new listing must climb.

30 gallon water tank

Worth a look

Shows a thin review moat (245 avg reviews), but weak search conversion (1.0%) keeps it on the watch list.

Review moat

Great245.04

avg incumbent reviews — the moat a new listing must climb

Brand share

Good61%

top-5 brand share — brands hold most of the demand

Avg price

Good$126.20

avg listing price — sweet spot $15–$100

Competition

Good46%

top-5 click share — leaders hold, buyers still browse

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Good+29.4%

90-day search growth — must beat 0% to launch

Returns

Good2.8%

return rate — above 5% kills the launch gate

Price range

Okay$29.39–$215.69

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Okay$104K

$104K/yr · 85K searches

Conversion

Bad1.0%

search→purchase rate — share of searches ending in a sale

Signals No Dominant Brand High Price

According to Flapen's Amazon United States niche tracking, 30 gallon water tank is a $104K/yr Amazon United States market (85K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Aug. Verdict: Worth a look — 51/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

30 gallon water tank market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $95K–$126K; units × avg price
Conversion rate: 1.0%
Avg BSR: #435
Page quality: 0%
Prime: 50%
Sponsored: 73%
Out of stock: 0.0%
Avg brand age: 49 months
Avg seller age: 187 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 flat

Sellers

Top-5 brand share

61%

Top 20: 100%

Top-5 click share

46%

Top 20: 93%

Open market

32%

Chapin International20%
RomoTech14%
A.A10%
Ameri-Kart9%
classAcustoms9%
Emergency Water Tanks8%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +29.4% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 2.0×

Open Trend

Top 30 gallon water tank search terms

30 gallon water tank46K/yr +25.7%0.8% conv.
35 gallon water tank22K/yr +48.1%0.9% conv.
water tank 30 gallon9K/yr +33.5%0.6% conv.
35 gallon tank4K/yr -3.2%0.8% conv.
30 gallon water container4K/yr +10.9%0.2% conv.

All search terms

Top 30 gallon water tank 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Chapin 98142 Water Storage Tank 40Gallon Utility Water Supply Translucent ChemicalResistant Poly Tank 6 Wide Cap 2 Drain & GardenHose Port for Farms Acreage Gardens & Orchard

Chapin International$109.334.1★616 rev

30 Gallon RV Fresh/Gray Water Tank 34 x 18 x 12 - BPA Free (30 Gallon)

A.A$147.884.5★852 rev

30 Gallon Stackable Emergency Water Storage Tank Heavy-Duty Water Barrel for Long-Term Drinking Water or Preparedness

Emergency Water Tanks$150.804.1★22 rev

WaterPrepared Portable Water Tank Plastic Handle & Hose Spigot 35 Gallon Blue - Heavy-Duty Beverage and Hydration Dispenser for Outdoor and Camping Trip

WaterPrepared$159.304.6★340 rev

RomoTech 35 Gallon Polyethylene Storage Tank with LegsHeavy-Duty Horizontal Water Storage Tank for Farms Industrial or Chemical UseUV-Resistant Rustproof BPA-Free Plastic Liquid Tank 82126189

RomoTech$215.694.5★247 rev

Newest

by launch date

T3000-TO RV Fresh Water Tank Potable Water Storage Tank for Drinking Cooking Cleaning Showering for Campers Trailers Motorhomes RVs Concession (Tank Only 30 Gallon)

classAcustoms$138.7724 rev

5mo ago

30 Gallon Water Tank BPA Free RV Fresh Water Tank for Drinking and Water Holding Portable Water Storage Tank for Camping (34 x 16.5 x 13)

KORVOS$181.181 rev

8mo ago

30 Gallon Stackable Emergency Water Storage Tank Heavy-Duty Water Barrel for Long-Term Drinking Water or Preparedness

Emergency Water Tanks$150.8022 rev

8mo ago

US Water Systems White 35 Gallon Water Tank Heavy-Duty Polyethylene Container with 110 mm Opening & Locking Lid Portable Water Storage Tank for Indoor or Outdoor Use Large Water Reservoir

USWatersystems.com$164.437 rev

11mo ago

30 Gallon Blue Water Barrel | Solid Mold |2 Inch Bung Holes Good for Long Term Drinking Water Use | BPA Free. Made in USA

HOANK$91.2226 rev

11mo ago

What buyers say about 30 gallon water tank

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall14%

“Good strong quality”

Durability8%

“Durable”

Value For Money8%

“Good price”

Advertised Vs Actual Product8%

“As advertised”

Strength7%

“Very sturdy”

Size-Overall7%

“Good fit”

Leak-Proof6%

“No leaks”

Material Quality5%

“the materials are very durable”

Water Resistance4%

“Durable water storage”

Ease Of Use4%

“easy to use when on the go”

What buyers complain about

Leak-Proof32%

“Leaking issues”

Size-Overall12%

“To small”

Quality-Overall8%

“Very cheap quality and leaked”

Durability6%

“broke quickly after minimal use”

Advertised Vs Actual Product3%

“Not 30 gallons. It was advertised as 30 gallons but after 15 gallons of water it's pretty much full. I don't know who's putting 30 gallons in this thing but it sure isn't me.”

Water Resistance3%

“mine would have shot water EVERYWHERE”

Ease Of Use3%

“a bit of effort to get there”

Smell2%

“does have a smell”

Weight Heavy2%

“its so heavy”

Material Quality2%

“Its ok. The cast for the plastic was poor”

Top return reasons

Size-Overall56%

Leak-Proof16%

Defective Material/Parts5%

Advertised Vs Actual Product5%

Water Resistance2%

Functionality-Overall2%

Value For Money1%

Compatibility-Overall1%

Material Quality1%

Storage Capacity1%

Common questions

Is 30 gallon water tank profitable to sell on Amazon United States?: The niche generates $104K/yr across 26 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +29.4%. Flapen's verdict: Worth a look (51/100).
How competitive is the 30 gallon water tank niche?: 19 brands and 44 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in 30 gallon water tank?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 2.8%.
When does demand for 30 gallon water tank peak?: Demand peaks in Aug; the busiest month runs 2.0× the quietest.
What does it cost to enter the 30 gallon water tank niche?: Listings span $29.39–$215.69; the average listing price is $126.20 (sweet spot $15–$100). The average incumbent carries 245 reviews — the moat a new listing must climb.