---
title: "Trend — rock salt for grinder refill - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/rock-salt-for-grinder-refill/trend"
last_updated: "2026-07-31T21:59:55.989Z"
locale: en
meta:
  description: "Niche score 35/100 · £92K/yr market · 79K searches/yr · £4.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 35/100 · £92K/yr market · 79K searches/yr · £4.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — rock salt for grinder refill - Flapen"
---

# **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**

**Incredible****25.8%**

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

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****1,462.11**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****88%**

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

**Market size**

**Bad****£92K**

£92K/yr · 79K searches

**Quality gap**

**Bad****4.7★**

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**

**Bad****88%**

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