Skip to content
56

pumice stone for cleaning stove top

Worth a look

Shows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 78Growth 19Conversion 95Competition 51Returns 98Price range 45Avg price 36Brand share 64Review moat 37Quality gap 25

Returns

Incredible0.5%

return rate — above 6% kills the launch gate

Conversion

Great12.0%

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

Market size

Great$997K

$997K/yr · 808K searches

Brand share

Good66%

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

Competition

Good55%

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

Price range

Okay$5.99–$22.23

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

Review moat

Okay2,830

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay$10.30

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-11.5%

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

Competition

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 falling

Sellers

37

Top-5 brand share

66%

Open market

29%

  • Riuja27%
  • PUMIE12%
  • Navona9%
  • Lenicany9%
  • Herda9%
  • ZUFECY5%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$40K8%$80K12%$120K16%$160K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 27 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -11.5% search growth over the last 90 days.
18K13KSpike '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Jun · busiest ÷ quietest = 2.7×

Reviews

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

What buyers love

Ease Of Cleaning23%

“Great for cleaning”

Value For Money10%

“Excellent value”

Quality-Overall10%

“The stones seem decent quality”

Efficiency10%

“It worked pretty good”

Ease Of Use9%

“is easy to handle”

Advertised Vs Actual Product8%

“Exactly as pictured”

Handle Quality4%

“Cute handle too”

Product Condition3%

“Look new”

Stain Resistance3%

“Fantastic stain remover”

Scratch Resistance2%

“Wont scratch”

What buyers complain about

Stain Resistance17%

“hard to get stains at bottom though”

Ease Of Cleaning13%

“I could never get it really clean”

Functionality-Overall9%

“Non-effective”

Durability6%

“Fell apart”

Quality-Overall4%

“These are NOT well made”

Size-Overall4%

“The nub one is too small”

Rusts/Corrodes3%

“Had hard rust stains”

Strength3%

“Brittle”

Value For Money2%

“And cheaper”

Adhesion/Stickiness2%

“non-stick off”

Top return reasons

Functionality-Overall18%
Size-Overall12%
Cleaning Modes11%
Advertised Vs Actual Product11%
Value For Money9%
Scratch Resistance6%
Defective Material/Parts5%
Ease Of Cleaning3%
Stain Resistance3%
Durability3%