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35

rock salt for grinder refill

Skip it

Prices mostly outside the sweet spot ($1.46–$10.01) — this niche doesn't clear our bar today.

Market size 23Growth 15Conversion 100Competition 10Returns 100Price range 0Avg price 13Brand share 28Review moat 51Quality gap 21

Conversion

Incredible25.8%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Good1,462.11

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay88%

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

Market size

Bad£92K

£92K/yr · 79K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-19.0%

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

Avg price

Bad£4.57

avg listing price — sweet spot $15–$100

Competition

Bad88%

top-5 click share — a locked-up shelf

Price range

Bad£1.46–£10.01

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

According to Flapen's Amazon United Kingdom niche tracking, rock salt for grinder refill is a £92K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 35/100.

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

rock salt for grinder refill market data

Units sold / yr
15K–20K
avg 1,250–1,500/product
Revenue / yr
£69K–£91K
units × avg price
Conversion rate
25.8%
Avg BSR
#12
Page quality
0%
Prime
100%
Sponsored
78%
Out of stock
6.5%
Avg brand age
64 months
Avg seller age
173 days

Competition & brand share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

45

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

9%

  • Tidmans56%
  • Saxa12%
  • Minton & Donello11%
  • JustIngredients5%
  • Organic Wonders4%
  • Wholefood Earth3%
  • Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 79 weeks — -19.0% search growth over the last 90 days.
2K1KPrime Day '25Black Friday '25Holiday '25Spike '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Dec · busiest ÷ quietest = 1.9×

Top rock salt for grinder refill search terms

  • salt for grinder21K/yr
  • rock salt for grinder refill22K/yr
  • rock salt for cooking6K/yr
  • sea salt for grinder5K/yr
  • salt crystals5K/yr
  • coarse salt for grinder3K/yr
  • salt for grinder refill4K/yr
  • grinder salt3K/yr
  • rock salt for grinder4K/yr
  • cooking rock salt2K/yr
All search terms

Top rock salt for grinder refill 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%15%£14K30%£28K45%£42K60%£55K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about rock salt for grinder refill

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

What buyers love

Salt Content33%

“Good quality salt”

Quality-Overall19%

“Good consistant quality”

Value For Money17%

“Good value for money”

Advertised Vs Actual Product8%

“As advertised”

Taste-Overall5%

“Taste as you would expect”

Size-Overall3%

“Great size”

Durability2%

“Good and strong”

Ease Of Use1%

“Easy”

Flavor1%

“The flavour is clean, subtle, and natural”

Cooking Instructions1%

“Good cooks know”

What buyers complain about

Salt Content46%

“A bit salty”

Ease Of Use9%

“Can be a little hard to press if your hands are as weak as mine”

Value For Money6%

“Very good maybe just a bit expensive”

Size-Overall5%

“Crystals are quite big”

Quality-Overall5%

“necr disappointed with the quality”

Taste-Overall1%

“Horrible taste of chemicals”

Advertised Vs Actual Product1%

“Not really as described”

Bitter1%

“Kind of bitters rather than salty”

Color1%

“not blue as I was expecting”

Top return reasons

Salt Content63%
Contamination13%
Ease Of Use13%
Size-Overall13%

Common questions

Is rock salt for grinder refill profitable to sell on Amazon United Kingdom?
The niche generates £92K/yr across 9 tracked products. 90-day search growth is -19.0%. Flapen's verdict: Skip it (35/100).
How competitive is the rock salt for grinder refill niche?
9 brands and 45 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in rock salt for grinder refill?
Top complaints mined from reviews: Salt Content, Ease Of Use, Value For Money. The return rate is 0.0%.
When does demand for rock salt for grinder refill peak?
Demand peaks in Jan–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the rock salt for grinder refill niche?
Listings span £1.46–£10.01; the average listing price is £4.57 (sweet spot $15–$100). The average incumbent carries 1,462 reviews — the moat a new listing must climb.