---
title: "Stock Tank Pool Liner — $178K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/stock-tank-pool-liner"
last_updated: "2026-08-06T17:06:27.016Z"
locale: en
meta:
  description: "Niche score 55/100 · $178K/yr market · 92K searches/yr. Brand-locked demand (top 5 brands take 93% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $178K/yr market · 92K searches/yr. Brand-locked demand (top 5 brands take 93% of clicks) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Stock Tank Pool Liner — $178K/yr Amazon US Niche (2026) - Flapen"
---

# **stock tank pool liner**

**Worth a look**

Shows demand growing +300.6% this quarter, but brand-locked demand (top 5 brands take 93% of clicks) keeps it on the watch list.

Market size 36Growth 100Conversion 19Competition 31Returns 96Price range 20Avg price 65Brand share 17Review moat 94Quality gap 79

**Growth**

**Incredible****+300.6%**

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

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****123.18**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$130.54**

avg listing price — sweet spot $15–$100

**Market size**

**Okay****$178K**

$178K/yr · 92K searches

**Competition**

**Okay****66%**

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

**Price range**

**Bad****$22.69–$416.60**

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

**Conversion**

**Bad****1.5%**

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

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, stock tank pool liner is a $178K/yr Amazon United States market (92K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 55/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **stock tank pool liner market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$131K–$163K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#146**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**88%**</dd>

<dt>**Sponsored**</dt><dd>**53%**</dd>

<dt>**Out of stock**</dt><dd>**2.9%**</dd>

<dt>**Avg brand age**</dt><dd>**39 months**</dd>

<dt>**Avg seller age**</dt><dd>**175 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▼falling

**Sellers**

**15**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**66%**

Top 20: 100%

**Open market**

**4%**

- VEVOR46% - Smartline18% - Blue Wave17% - Generic10% - Verdanzia3% - YEXEXINM3% - Open — no brand owns it (2 brands, 4%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +300.6% search growth over the last 90 days.

12K8KSpike '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 30.0×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/stock-tank-pool-liner/trend)

## **Top stock tank pool liner search terms**

- **stock tank pool liner**46K/yr+329.1%1.0% conv. - **stock tank liner**18K/yr+254.7%0.7% conv. - **stock tank pool liner 8ft round**6K/yr+266.8%2.1% conv. - **8ft pool liner**5K/yr+380.2%2.4% conv. - **8ft stock tank pool liner**4K/yr+228.6%2.5% conv. - **8 ft round pool liner for stock tank**4K/yr+396.9%2.4% conv. - **8 foot stock tank pool liner**4K/yr+211.1%2.9% conv. - **stock tank pool liners**3K/yr+411.9%0.6% conv. - **stock tank liners**3K/yr+131.9%0.3% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/stock-tank-pool-liner/search-terms)

## **Top stock tank pool liner 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%$18K20%$36K30%$53K40%$71K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 17 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![VEVOR 8-ft Round Above Ground Pool Liner Overlap Pool Liners Standard Gauge Vinyl 48-to-54inch Wall Height Designed for Steel Sided Above-Ground Swimming Pools](https://m.media-amazon.com/images/I/41w6TIqXEuL.jpg)**VEVOR 8-ft Round Above Ground Pool Liner Overlap Pool Liners Standard Gauge Vinyl 48-to-54inch Wall Height Designed for Steel Sided Above-Ground Swimming Pools**VEVOR**$66.18**4.3★231 rev](https://www.amazon.com/dp/B0DT8RCD9Q) [2![VEVOR 8ft Stock Tank Round Pool Liner Overlap Above Ground Swimming Pool Liners for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl with Leak-Proof Patches Designed for Steel Sided Above-Ground](https://m.media-amazon.com/images/I/61ixv0x763L.jpg)**VEVOR 8ft Stock Tank Round Pool Liner Overlap Above Ground Swimming Pool Liners for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl with Leak-Proof Patches Designed for Steel Sided Above-Ground**VEVOR**$89.18**4.5★68 rev](https://www.amazon.com/dp/B0GHRHXB8H) [3![Blue Wave Emerald Coast 8-ft Round Overlap Pool Liner for Above-Ground Steel Wall Pools Weather-Resistant Standard-Gauge Vinyl with Welded Seams for 48/54-In Depth Walls Blue Green](https://m.media-amazon.com/images/I/51YW7Rl6z7L.jpg)**Blue Wave Emerald Coast 8-ft Round Overlap Pool Liner for Above-Ground Steel Wall Pools Weather-Resistant Standard-Gauge Vinyl with Welded Seams for 48/54-In Depth Walls Blue Green**Blue Wave**$97.14**5.0★9 rev](https://www.amazon.com/dp/B0C34G9WHW) [4![Smartline 8 ft Round Swimming Pool Liner | Sunlight | Overlap Style | 48-52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools](https://m.media-amazon.com/images/I/61hquu38joL.jpg)**Smartline 8 ft Round Swimming Pool Liner | Sunlight | Overlap Style | 48-52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$152.50**4.6★317 rev](https://www.amazon.com/dp/B09FQ64H5X) [5![VEVOR 10 ft Round Stock Tank Pool Liner Overlap Swimming Pool Liner for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl Easy Install with Leak-Proof Patches Designed for Steel Sided Above-Ground](https://m.media-amazon.com/images/I/615hyuJJAEL.jpg)**VEVOR 10 ft Round Stock Tank Pool Liner Overlap Swimming Pool Liner for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl Easy Install with Leak-Proof Patches Designed for Steel Sided Above-Ground**VEVOR**$112.88**4.5★68 rev](https://www.amazon.com/dp/B0GK6WG85Z)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![2 Pack Stock Tank Liner for 100 Gallon Stock Tank 10.8 x 8.8 Ft Plastic Tank Liners with 16.4 Ft Elastic Bands and 4 Clips](https://m.media-amazon.com/images/I/51jcTPXldnL.jpg)**2 Pack Stock Tank Liner for 100 Gallon Stock Tank 10.8 x 8.8 Ft Plastic Tank Liners with 16.4 Ft Elastic Bands and 4 Clips**badashun**$25.36**1 rev3mo ago](https://www.amazon.com/dp/B0GVMNJVML) [![VEVOR 10 ft Round Stock Tank Pool Liner Overlap Swimming Pool Liner for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl Easy Install with Leak-Proof Patches Designed for Steel Sided Above-Ground](https://m.media-amazon.com/images/I/615hyuJJAEL.jpg)**VEVOR 10 ft Round Stock Tank Pool Liner Overlap Swimming Pool Liner for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl Easy Install with Leak-Proof Patches Designed for Steel Sided Above-Ground**VEVOR**$112.88**68 rev5mo ago](https://www.amazon.com/dp/B0GK6WG85Z) [![VEVOR 8ft Stock Tank Round Pool Liner Overlap Above Ground Swimming Pool Liners for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl with Leak-Proof Patches Designed for Steel Sided Above-Ground](https://m.media-amazon.com/images/I/61ixv0x763L.jpg)**VEVOR 8ft Stock Tank Round Pool Liner Overlap Above Ground Swimming Pool Liners for 27.5 in Wall Height Extra Thick Heavy Gauge Vinyl with Leak-Proof Patches Designed for Steel Sided Above-Ground**VEVOR**$89.18**68 rev6mo ago](https://www.amazon.com/dp/B0GHRHXB8H) [![Smartline 8 ft Round Swimming Pool Liner | Bedrock | Overlap Style | 48-52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools](https://m.media-amazon.com/images/I/61WaC99q4BL.jpg)**Smartline 8 ft Round Swimming Pool Liner | Bedrock | Overlap Style | 48-52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$144.40**317 rev6mo ago](https://www.amazon.com/dp/B0GH9KRTXL) [![Verdanzia 2 Pack Stock Tank Liner Durable Plastic Liners for 100 Gallon Stock Tank 10.8 x 8.8 Ft Stock Tank Liners with 2 Elastic Bands (10.8x8.8 ft)](https://m.media-amazon.com/images/I/412T6y+G1qL.jpg)**Verdanzia 2 Pack Stock Tank Liner Durable Plastic Liners for 100 Gallon Stock Tank 10.8 x 8.8 Ft Stock Tank Liners with 2 Elastic Bands (10.8x8.8 ft)**Verdanzia**$28.89**6 rev7mo ago](https://www.amazon.com/dp/B0G6JT2GQ5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![2 Pack Stock Tank Liner for 100 Gallon Stock Tank 10.8 x 8.8 Ft Plastic Tank Liners with 16.4 Ft Elastic Bands and 4 Clips](https://m.media-amazon.com/images/I/51jcTPXldnL.jpg)**2 Pack Stock Tank Liner for 100 Gallon Stock Tank 10.8 x 8.8 Ft Plastic Tank Liners with 16.4 Ft Elastic Bands and 4 Clips**badashun**$25.36**2.0★**▲ 42%**](https://www.amazon.com/dp/B0GVMNJVML) [![Blue Wave Emerald Coast 8-ft Round Overlap Pool Liner for Above-Ground Steel Wall Pools Weather-Resistant Standard-Gauge Vinyl with Welded Seams for 48/54-In Depth Walls Blue Green](https://m.media-amazon.com/images/I/51YW7Rl6z7L.jpg)**Blue Wave Emerald Coast 8-ft Round Overlap Pool Liner for Above-Ground Steel Wall Pools Weather-Resistant Standard-Gauge Vinyl with Welded Seams for 48/54-In Depth Walls Blue Green**Blue Wave**$97.14**5.0★**▲ 31%**](https://www.amazon.com/dp/B0C34G9WHW) [![8ft Extra Large Round Stock Tank Pool Cover Steel Round Stock Tank Pools Cover for Protection from Debris Leaves Dust - Waterproof and UV Resistant Stock Tank Pools Cover with Drawstring Design](https://m.media-amazon.com/images/I/41O6FPwjotL.jpg)**8ft Extra Large Round Stock Tank Pool Cover Steel Round Stock Tank Pools Cover for Protection from Debris Leaves Dust - Waterproof and UV Resistant Stock Tank Pools Cover with Drawstring Design**YEXEXINM**$22.69**3.7★**▲ 29%**](https://www.amazon.com/dp/B0DY4D2R5C) [![Smartline 8 ft Round Swimming Pool Liner | Bedrock | Overlap Style | 48-52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools](https://m.media-amazon.com/images/I/61WaC99q4BL.jpg)**Smartline 8 ft Round Swimming Pool Liner | Bedrock | Overlap Style | 48-52 Inch Wall Height | 25 Gauge Heavy Duty Virgin Vinyl | Designed for Steel Sided Above Ground Pools**Smartline**$144.40**4.6★**▲ 19%**](https://www.amazon.com/dp/B0GH9KRTXL) [![Verdanzia 2 Pack Stock Tank Liner Durable Plastic Liners for 100 Gallon Stock Tank 10.8 x 8.8 Ft Stock Tank Liners with 2 Elastic Bands (10.8x8.8 ft)](https://m.media-amazon.com/images/I/412T6y+G1qL.jpg)**Verdanzia 2 Pack Stock Tank Liner Durable Plastic Liners for 100 Gallon Stock Tank 10.8 x 8.8 Ft Stock Tank Liners with 2 Elastic Bands (10.8x8.8 ft)**Verdanzia**$28.89**3.1★**— 10%**](https://www.amazon.com/dp/B0G6JT2GQ5)

**~~View all trending →~~**

## **What buyers say about stock tank pool liner**

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

### **What buyers love **

**Size-Overall**27%

*“Fit is good”*

**Durability**14%

*“great durability”*

**Quality-Overall**11%

*“Excellent quality, easy to put on”*

**Assembly/Installation**11%

*“Easy install”*

**Thickness**7%

*“Nicely made, very thick and EASY to install”*

**Value For Money**6%

*“Definitely worth every penny”*

**Material Quality**5%

*“Decent quality vinyl”*

**Leak-Proof**3%

*“Stopped the leakage we had before installing”*

**Advertised Vs Actual Product**3%

*“Came as expected”*

**Color**2%

*“Beautiful color”*

### **What buyers complain about **

**Rusts/Corrodes**14%

*“once it began to rust on the interior”*

**Size-Overall**11%

*“Didn't fit the size it said”*

**Durability**10%

*“1 of which snapped apart after 1 day”*

**Advertised Vs Actual Product**8%

*“Didn't fit the size it said”*

**Thickness**4%

*“The material feels thicker than I expected”*

**Color**4%

*“About the blue and black mingled 8 foot liner for my stock tank and when I got it, I saw the other side was a light gray and so I opted to put that side up and not the blue worked perfectly and stretched nicely”*

**Quality-Overall**4%

*“Junk”*

**Certifications**4%

*“The company does not stand by its warranty or its products”*

**Contamination**2%

*“Not chlorine safe”*

**Assembly/Installation**2%

*“Many little tears within weeks of install”*

### **Top return reasons **

**Size-Overall**59%

**Functionality-Overall**5%

**Value For Money**5%

**Advertised Vs Actual Product**4%

**Leak-Proof**4%

**Thin**3%

**Assembly/Installation**3%

**Product Condition**2%

**Maintenance And Repair**2%

**Material Quality**2%

## **Common questions**

<dl>

<dt>**Is stock tank pool liner profitable to sell on Amazon United States?**</dt><dd>The niche generates $178K/yr across 17 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +300.6%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the stock tank pool liner niche?**</dt><dd>8 brands and 15 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in stock tank pool liner?**</dt><dd>Top complaints mined from reviews: Rusts/Corrodes, Size-Overall, Durability. The return rate is 0.9%.</dd>

<dt>**When does demand for stock tank pool liner peak?**</dt><dd>Demand peaks in May–Jun–Jul; the busiest month runs 30.0× the quietest.</dd>

<dt>**What does it cost to enter the stock tank pool liner niche?**</dt><dd>Listings span $22.69–$416.60; the average listing price is $130.54 (sweet spot $15–$100). The average incumbent carries 123 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Patio, Lawn & Garden**

- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)