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rv black water tanks

Skip it

Prices mostly outside the sweet spot ($95.06–$401.28) — this niche doesn't clear our bar today.

Market size 79Growth 81Conversion 16Competition 38Returns 44Price range 2Avg price 45Brand share 23Review moat 24Quality gap 40

Growth

Great+74.7%

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

Market size

Great$1.1M

$1.1M/yr · 427K searches

Avg price

Okay$209.37

avg listing price — sweet spot $15–$100

Returns

Okay3.5%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay62%

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

Review moat

Bad5,508

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad91%

top-5 brand share — brand-locked demand

Conversion

Bad1.2%

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

Price range

Bad$95.06–$401.28

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

According to Flapen's Amazon United States niche tracking, rv black water tanks is a $1.1M/yr Amazon United States market (427K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 46/100.

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

rv black water tanks market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
$1.0M–$1.3M
units × avg price
Conversion rate
1.2%
Avg BSR
#17
Page quality
0%
Prime
50%
Sponsored
64%
Out of stock
3.0%
Avg brand age
40 months
Avg seller age
171 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

74

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

62%

Top 20: 98%

Open market

6%

  • Camco63%
  • BARKER8%
  • classAcustoms8%
  • Venustank7%
  • RecPro5%
  • Tough Grade4%
  • Open — no brand owns it (3 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +74.7% search growth over the last 90 days.
15K10KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 2.5×

Top rv black water tanks search terms

  • portable rv waste tank58K/yr
  • rv portable waste tank57K/yr
  • rv black tank41K/yr
  • rv waste tank portable38K/yr
  • rv dump tank portable25K/yr
  • rv tote tank18K/yr
  • black water tank25K/yr
  • rv waste tank18K/yr
  • rv holding tank17K/yr
  • rv black water tank15K/yr
All search terms

Top rv black water tanks 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%5%$55K10%$111K15%$166K20%$222K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about rv black water tanks

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

What buyers love

Quality-Overall21%

“Well made and easy to assemble”

Advertised Vs Actual Product10%

“As advertised”

Ease Of Use9%

“Easy to use”

Value For Money8%

“Worth the money”

Strength7%

“i really like how stable it feels”

Weight Heavy5%

“I got to admit it's heavy heavier than anything I've ever had The quality is amazing I honestly feel this will be the last one I ever have to buy again”

Durability4%

“Durable, easy to use”

Size-Overall4%

“Perfect size and easy to use”

Assembly/Installation4%

“Easy assembly”

Efficiency3%

“Works well”

What buyers complain about

Leak-Proof14%

“when I was filling the tank it was leaking”

Durability9%

“Not to durable”

Size-Overall8%

“Nothing in my camper world will fit this”

Value For Money6%

“Cheap is expensive”

Wheel Quality5%

“The back axle somehow wore into the tank”

Design-Overall5%

“Bad design”

Quality-Overall3%

“crappy”

Ease Of Cleaning3%

“Not clean, Messy, nasty”

Unsustainable Design3%

“has one significant design error”

Weight Heavy2%

“weighs enough that without some kind of assist handle it's too much to lift up alone”

Top return reasons

Size-Overall41%
Defective Material/Parts9%
Weight Heavy7%
Leak-Proof7%
Advertised Vs Actual Product6%
Compatibility-Overall5%
Functionality-Overall4%
Value For Money4%
Connectivity-Overall2%
Ease Of Use2%

Common questions

Is rv black water tanks profitable to sell on Amazon United States?
The niche generates $1.1M/yr across 22 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +74.7%. Flapen's verdict: Skip it (46/100).
How competitive is the rv black water tanks niche?
9 brands and 74 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in rv black water tanks?
Top complaints mined from reviews: Leak-Proof, Durability, Size-Overall. The return rate is 3.5%.
When does demand for rv black water tanks peak?
Demand peaks in Jun–Jul; the busiest month runs 2.5× the quietest.
What does it cost to enter the rv black water tanks niche?
Listings span $95.06–$401.28; the average listing price is $209.37 (sweet spot $15–$100). The average incumbent carries 5,508 reviews — the moat a new listing must climb.