---
title: "Trend — black aquarium sand - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/black-aquarium-sand/trend"
last_updated: "2026-07-21T22:09:01.653Z"
locale: en
meta:
  description: "Niche score 50/100 · $239K/yr market · 230K searches/yr · $17.86 avg price. Soft demand (-4.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · $239K/yr market · 230K searches/yr · $17.86 avg price. Soft demand (-4.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — black aquarium sand - Flapen"
---

# **black aquarium sand**

**Worth a look**

Shows a sweet-spot price point ($17.86 avg), but soft demand (-4.2% this quarter) keeps it on the watch list.

Market size 45Growth 23Conversion 65Competition 43Returns 80Price range 82Avg price 82Brand share 48Review moat 39Quality gap 37

**Avg price**

**Great****$17.86**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$6.51–$59.29**

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

**Returns**

**Great****1.7%**

return rate — above 6% kills the launch gate

**Conversion**

**Good****5.8%**

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

**Brand share**

**Okay****76%**

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

**Market size**

**Okay****$239K**

$239K/yr · 230K searches

**Competition**

**Okay****59%**

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

**Review moat**

**Okay****2,586.59**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-4.2%**

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