Is pool plaster profitable to sell on Amazon United States?

The niche generates $51K/yr across 21 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +69.2%. Flapen's verdict: Worth a look (57/100).

How competitive is the pool plaster niche?

15 brands and 34 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in pool plaster?

Top complaints mined from reviews: Adhesion/Stickiness, Leak-Proof, Functionality-Overall. The return rate is 1.6%.

When does demand for pool plaster peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 7.6× the quietest.

What does it cost to enter the pool plaster niche?

Listings span $9.16–$168.24; the average listing price is $55.04 (sweet spot $15–$100). The average incumbent carries 417 reviews — the moat a new listing must climb.

pool plaster

Worth a look

Shows a sweet-spot price point ($55.04 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Great$55.04

avg listing price — sweet spot $15–$100

Returns

Great1.6%

return rate — above 5% kills the launch gate

Growth

Great+69.2%

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

Review moat

Great417.14

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$9.16–$168.24

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

Competition

Okay56%

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

Brand share

Okay77%

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

Conversion

Okay3.5%

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

Market size

Bad$51K

$51K/yr · 27K searches

Signals High Price

According to Flapen's Amazon United States niche tracking, pool plaster is a $51K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 57/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

pool plaster market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $83K–$110K; units × avg price
Conversion rate: 3.5%
Avg BSR: #1,186
Page quality: 0%
Prime: 62%
Sponsored: 71%
Out of stock: 0.4%
Avg brand age: 66 months
Avg seller age: 167 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

19%

Pool Patch40%
Sider-Crete19%
SGM6%
XUDOAI6%
In The Swim5%
Epoxybond Pool Putty4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +69.2% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 7.6×

Open Trend

Top pool plaster search terms

pool plaster repair kit10K/yr +59.3%6.2% conv.
pool plaster10K/yr +71.3%2.6% conv.
pool plaster repair4K/yr +97.4%5.2% conv.
pool plaster patch3K/yr +67.1%6.0% conv.

All search terms

Top pool plaster 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pool Patch White Plaster Repair Kit 1.5 lb - Easy to Mix and Fast to Use Formula - Perfect for Patch Work - Waterproof Quick-Drying Extra Strong Bond - (coverage: approx. 3/4 sq. ft.)

Pool Patch$29.234.3★403 rev

Pool Patch White Pool Plaster Repair Kit (3lb) Professional Cement-Based Marcite & Gunite Patch Includes Liquid Bonding Agent Permanent Pool Surface Crack & Chip Repair

Pool Patch$40.304.2★344 rev

Sider Pool Plaster Patch White- 55 lb - Bonus 5 lb Added for the Same

Sider-Crete$168.244.4★164 rev

Sider Pool Plaster Patch and Repair - 20 lb - White

Sider-Crete$59.264.2★168 rev

SGM Pool Patch Plaster Repair for Swimming Pool White 9-lbs

SGM$33.883.9★25 rev

Newest

by launch date

Pool Putty - 12oz 2 Part Epoxy Putty Clay - Pool Leak Repair kit Underwater Under & Above Water Plaster for Pool Leak/Crack Fix for Tile Fiberglass Concrete Cement & Other Surfaces

Fuchoi$9.1636 rev

7mo ago

Pool Putty 17.6oz/500g 2 Part Epoxy Pool Putty for Underwater or Above-Water Crack Leak Filling and Repair Sealing and Repair of Holes and Damage in Fiberglass Concrete and Tile Surfaces (White)

XUDOAI$18.5096 rev

7mo ago

OOTDART 1.1-Pound White Pool Plaster Repair Kit Swimming Pool Crack and Chip Patch Fast Drying Waterproof Plaster Compound for Inground & Above Ground Pools DIY Pool Resurfacing and Maintenance

OOTDART$23.602 rev

11mo ago

Epoxy Putty 17.6 oz. Pool Putty Underwater or Above Fast Repair Fix Leaks Cracks Filling Sculpting 2 Part Pool Epoxy Putty for Tile Concrete Fiberglass Cement and Other Surfaces (White)

Bellisinno$16.37166 rev

1y ago

Epoxybond Atlas Pool Putty Epoxy Leak Sealer Kit + Valuable Instructional Videos by Swimming Pool Leak Detector [ Solves #1 DIYer Complaint [ So You Get it Right The 1Time ]

Epoxybond$41.65372 rev

5y ago

What buyers say about pool plaster

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

What buyers love

Ease Of Use19%

“Easy to use”

Quality-Overall13%

“Good quality with good adhesion”

Value For Money7%

“Price point is excellent”

Water Resistance6%

“Works well underwater as you can see in my picture”

Adhesion/Stickiness6%

“it still adhered firmly”

Advertised Vs Actual Product6%

“It works as advertised”

Durability5%

“once set, its durable and reliable”

Leak-Proof4%

“This is a long lasting leak fix solution”

Maintenance And Repair4%

“- Good DIY solution that can save money on repairs”

Color3%

“The white color is perfect”

What buyers complain about

Adhesion/Stickiness8%

“Not adhering”

Leak-Proof8%

“I've been dealing with a shower base that constantly leaks”

Functionality-Overall7%

“Doesn't work”

Water Resistance6%

“unpressurized water made a trail right through”

Maintenance And Repair4%

“End result: significant premature failure requiring repair”

Value For Money4%

“A little pricey”

Ease Of Use3%

“and the fact that it's not that easy to extract from the tubes. without dirtying up a knife blade”

Durability3%

“Not satisfied with the durability or performance”

Size-Overall2%

“Small”

Assembly/Installation2%

“Does not set up”

Top return reasons

Advertised Vs Actual Product14%

Size-Overall11%

Value For Money10%

Functionality-Overall9%

Leak-Proof9%

Maintenance And Repair8%