Is limestone profitable to sell on Amazon United States?

The niche generates $66K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Skip it (42/100).

How competitive is the limestone niche?

15 brands and 16 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in limestone?

Top complaints mined from reviews: Size-Overall, Plant Growth, Advertised Vs Actual Product. The return rate is 0.5%.

When does demand for limestone peak?

Demand peaks in Jan–Apr; the busiest month runs 2.5× the quietest.

What does it cost to enter the limestone niche?

Listings span $7.03–$56.44; the average listing price is $19.81 (sweet spot $15–$100). The average incumbent carries 198 reviews — the moat a new listing must climb.

limestone

Skip it

Weak search conversion (0.3%) — this niche doesn't clear our bar today.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Review moat

Great197.61

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$19.81

avg listing price — sweet spot $15–$100

Price range

Great$7.03–$56.44

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

Brand share

Okay77%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay68%

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

Growth

Bad-2.7%

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

Market size

Bad$66K

$66K/yr · 1.1M searches

Conversion

Bad0.3%

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

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, limestone is a $66K/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Jan–Apr. Verdict: Skip it — 42/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

limestone market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $59K–$79K; units × avg price
Conversion rate: 0.3%
Avg BSR: #557
Page quality: 0%
Prime: 56%
Sponsored: 67%
Out of stock: 9.6%
Avg brand age: 69 months
Avg seller age: 157 days

Competition & brand share

The top 5 products take 68% 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

68%

Top 20: 100%

Open market

19%

YERBERO26%
generic21%
Unearthed18%
EISCO7%
Cz Garden Supply5%
CountryMax5%

Demand & seasonality

Weekly Amazon search volume, last 63 weeks — -2.7% search growth over the last 90 days.

Peak months: Jan, Apr · busiest ÷ quietest = 2.5×

Open Trend

Top limestone search terms

cal1.0M/yr -3.6%0.1% conv.
limestone27K/yr +22.0%1.2% conv.
limestone powder22K/yr -6.8%2.4% conv.
limestone rock10K/yr -8.3%1.7% conv.
crushed limestone6K/yr +52.6%1.6% conv.
cal para nixtamal8K/yr -3.8%3.1% conv.
cal mexicana5K/yr +41.2%2.9% conv.
lime stone4K/yr +4.5%1.0% conv.
limestone rocks3K/yr +14.5%1.8% conv.
cal para cocinar maiz2K/yr -6.1%1.4% conv.

All search terms

Top limestone 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★)1 product missing review or click data not plotted

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.

YERBERO$13.084.4★221 rev

Fine-Soft White Ground Limestone Powder All Natural Lime for Lawns and Chicken Coop Calcium Carbonate Rock Dust Fine Powder for Industry and Agriculture - (50 lb)

Unearthed$56.444.6★242 rev

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb

generic$24.774.4★18 rev

Organic Dolomite Lime 5LB - Made in USA - OMRI Listed - Garden Soil Amendment Fertilizer for Plants. Calcium/Magnesium Additive. Raise & Stabilize pH - Earthbox Tomatoes & Peppers Blossom End Rot

Cz Garden Supply$18.694.7★1,623 rev

Fine Ground Limestone Powder 50 lb All-Natural Calcium Carbonate for Lawns Gardens Chicken Coops Odor Control Soil pH and Agriculture Soft White Lime Rock Dust

CountryMax$49.454.8★123 rev

Newest

by launch date

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb

generic$12.8218 rev

3mo ago

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb

generic$12.2318 rev

3mo ago

Calcium Carbonate Powder Pure Original Ingredients Calcium Carbonate Limestone Powder Food Additive - for Winemaking Cooking Brewing Baking Juices Jams.

Vectochem$7.030 rev

3mo ago

CactiCal Limestone 12oz Starter Size - Crushed Calcium Carbonate - Cactus Soil - Drainage Bonsai Succulents - Pumice Alternative (Granule 12 Ounce)

Seven Springs Farm$15.6510 rev

6mo ago

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb

generic$24.7718 rev

7mo ago

What buyers say about limestone

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

What buyers love

Plant Growth25%

“Grow so fast all the vegetables”

Advertised Vs Actual Product22%

“As described”

Quality-Overall21%

“Excellent product”

Smell7%

“Eliminated the smell”

Ease Of Use7%

“Easy to use”

Value For Money7%

“Great Value”

Size-Overall4%

“Consistent size”

Taste-Overall3%

“Product came out perfect delicious”

Absorbency1%

“Its absorbing stench”

Moist/Dry1%

“It helps control odors and dries moisture”

What buyers complain about

Size-Overall33%

“Too Small”

Plant Growth25%

“different areas it's not growing any different or any better than any other seat I'll plan it could have gotten more bang for my buck”

Advertised Vs Actual Product17%

“False advertising”

Value For Money17%

“Not knowing any better I purchased this item for their ridiculous price”

Top return reasons

Advertised Vs Actual Product23%

Size-Overall21%

Value For Money21%

Leak-Proof12%

Functionality-Overall8%

Defective Material/Parts4%

Color3%

Measurement/Reading Accuracy2%

Weight Heavy1%

Ethical Trade/Fair Trade1%

Common questions

Is limestone profitable to sell on Amazon United States?: The niche generates $66K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Skip it (42/100).
How competitive is the limestone niche?: 15 brands and 16 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in limestone?: Top complaints mined from reviews: Size-Overall, Plant Growth, Advertised Vs Actual Product. The return rate is 0.5%.
When does demand for limestone peak?: Demand peaks in Jan–Apr; the busiest month runs 2.5× the quietest.
What does it cost to enter the limestone niche?: Listings span $7.03–$56.44; the average listing price is $19.81 (sweet spot $15–$100). The average incumbent carries 198 reviews — the moat a new listing must climb.

limestone

limestone market data

Competition & brand share

Demand & seasonality

Top limestone search terms

Top limestone products on Amazon

Top sellers

Newest

Trending

What buyers say about limestone

What buyers love

What buyers complain about

Top return reasons

Common questions

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