---
title: "Rv Black Water Tanks — $1.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/rv-black-water-tanks"
last_updated: "2026-08-10T14:07:47.871Z"
locale: en
meta:
description: "Niche score 46/100 · $1.1M/yr market · 427K searches/yr · $209.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $1.1M/yr market · 427K searches/yr · $209.37 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rv Black Water Tanks — $1.1M/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Okay****3.5%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****5,508**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Conversion**
**Bad****1.2%**
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
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/automotive/rv-black-water-tanks/trend)
## **Top rv black water tanks search terms**
- **portable rv waste tank**58K/yr+104.8%1.1% conv. - **rv portable waste tank**57K/yr+84.8%1.2% conv. - **rv black tank**41K/yr+41.7%0.4% conv. - **rv waste tank portable**38K/yr+89.7%1.3% conv. - **rv dump tank portable**25K/yr+135.9%1.5% conv. - **rv tote tank**18K/yr+141.3%0.9% conv. - **black water tank**25K/yr+27.1%0.5% conv. - **rv waste tank**18K/yr+75.4%0.7% conv. - **rv holding tank**17K/yr+17.8%0.4% conv. - **rv black water tank**15K/yr+45.1%0.7% conv. [**All search terms **](https://flapen.com/research/us/automotive/rv-black-water-tanks/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Camco Rhino 36-Gallon RV Tote Tank - Features Large Heavy-Duty No-Flat Wheels & Built-in Gate Valve - Removable Steel Tow Adapter 3 Sewer Hose & More RV Accessories (39006)**Camco**$238.12**4.7★27,214 rev](https://www.amazon.com/dp/B07K8NK525) [2**Camco Rhino 21-Gallon RV Portable Waste Tank - Features Large Heavy-Duty No-Flat Wheels & Low Drain Hole - Includes Removable Steel Tow Adapter 3 Sewer Hose & More RV Accessories (39002)**Camco**$162.17**4.7★27,214 rev](https://www.amazon.com/dp/B07CQ1WC72) [3**Camco Rhino 15-Gallon Portable RV Tote Tank - Features Large Heavy-Duty No-Flat Wheels & Low Drain Hole - Includes Removable Steel Tow Adapter 3 Sewer Hose & More RV Accessories (39000)**Camco**$127.43**4.7★27,214 rev](https://www.amazon.com/dp/B07DN8X8M6) [4**Camco Rhino 28-Gallon Camper/RV Tote Tank - Features Large Heavy-Duty No-Flat Wheels & Built-in Gate Valve - Removable Steel Tow Adapter 3 Sewer Hose & More RV Accessories (39004)**Camco**$182.79**4.7★27,214 rev](https://www.amazon.com/dp/B07K87FR5C) [5**Barker 4-Wheeler Tote Tank - 42 Gallon Capacity (30844)**BARKER**$316.50**4.6★3,058 rev](https://www.amazon.com/dp/B000OR18BE)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tough Grade RV Holding Tanks | Made in USA (30 Gallons)**Tough Grade**$162.81**7 rev10mo ago](https://www.amazon.com/dp/B0FP2YVDL9) [**Venustank 39 Gallon RV Portable Waste Tank 2 Wheel Tote Tank**Venustank**$326.36**17 rev1y ago](https://www.amazon.com/dp/B0DSC1Q1T6) [**Venustank 30 Gallon RV Portable Waste Tank 2 Wheel Tote Tank**Venustank**$263.72**48 rev1y ago](https://www.amazon.com/dp/B0DK3BGY13) [**Venustank 30 Gallon RV Portable Waste Tank 4 Wheel Tote Tank**Venustank**$295.95**19 rev1y ago](https://www.amazon.com/dp/B0DK3CN2X7) [**SereneLife 75L RV Portable Water Tank with Wheels and Level Gauge**SereneLife**$141.87**189 rev1y ago](https://www.amazon.com/dp/B0DCKD59FX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BARKER 15Gal Tote-Along**BARKER**$111.70**4.5★**▲ 197%**](https://www.amazon.com/dp/B00069C7QA) [**Ameri-Kart 48 Gallon RV Black Water Tank Leak-Proof RV Water Storage Tank for Toilets in Campers Trailers Motorhomes and RVs End Discharge 70 x 28 x 8 (HT-1103)**Ameri-Kart**$401.28**4.3★**▲ 196%**](https://www.amazon.com/dp/B0CKD5X2KX) [**Camco Rhino 28-Gallon Portable RV Tote Tank - Features 2 Steerable No-Flat Front Wheels & Built-in Gate Valve - Includes Removable 24 Tow Bar 3 Sewer Hose & More RV Accessories (39005)**Camco**$286.84**4.7★**▲ 116%**](https://www.amazon.com/dp/B083YMLG4K) [**Tough Grade RV Holding Tanks | Made in USA (30 Gallons)**Tough Grade**$162.81**4.8★**▲ 108%**](https://www.amazon.com/dp/B0FP2YVDL9) [**Camco Rhino 15-Gallon Portable RV Tote Tank - Features Large Heavy-Duty No-Flat Wheels & Low Drain Hole - Includes Removable Steel Tow Adapter 3 Sewer Hose & More RV Accessories (39000)**Camco**$127.43**4.7★**▲ 99%**](https://www.amazon.com/dp/B07DN8X8M6)
**~~View all trending →~~**
## **What buyers say about rv black water tanks**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Well made and easy to assemble”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Ease Of Use**9%
*“Easy to use”*
**Value For Money**8%
*“Worth the money”*
**Strength**7%
*“i really like how stable it feels”*
**Weight Heavy**5%
*“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”*
**Durability**4%
*“Durable, easy to use”*
**Size-Overall**4%
*“Perfect size and easy to use”*
**Assembly/Installation**4%
*“Easy assembly”*
**Efficiency**3%
*“Works well”*
### **What buyers complain about **
**Leak-Proof**14%
*“when I was filling the tank it was leaking”*
**Durability**9%
*“Not to durable”*
**Size-Overall**8%
*“Nothing in my camper world will fit this”*
**Value For Money**6%
*“Cheap is expensive”*
**Wheel Quality**5%
*“The back axle somehow wore into the tank”*
**Design-Overall**5%
*“Bad design”*
**Quality-Overall**3%
*“crappy”*
**Ease Of Cleaning**3%
*“Not clean, Messy, nasty”*
**Unsustainable Design**3%
*“has one significant design error”*
**Weight Heavy**2%
*“weighs enough that without some kind of assist handle it's too much to lift up alone”*
### **Top return reasons **
**Size-Overall**41%
**Defective Material/Parts**9%
**Weight Heavy**7%
**Leak-Proof**7%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**5%
**Functionality-Overall**4%
**Value For Money**4%
**Connectivity-Overall**2%
**Ease Of Use**2%
## **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.
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