---
title: "Reviews — 培養土 25リットル - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/25/reviews"
last_updated: "2026-08-08T10:13:44.636Z"
locale: en
meta:
  description: "Niche score 59/100 · ¥1.2M/yr market · 18K searches/yr · ¥1692.93 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · ¥1.2M/yr market · 18K searches/yr · ¥1692.93 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Reviews — 培養土 25リットル - Flapen"
---

# **培養土 25リットル**

**Launch it**

A $1.2M/yr market growing +12.8% this quarter with returns at 0.2% — clears our launch bar.

Market size 80Growth 41Conversion 47Competition 55Returns 99Price range 0Avg price 0Brand share 54Review moat 73Quality gap 88

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Market size**

**Great****¥1.2M**

¥1.2M/yr · 18K searches

**Review moat**

**Good****560.78**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****52%**

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

**Brand share**

**Good****72%**

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

**Conversion**

**Okay****3.7%**

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

**Growth**

**Okay****+12.8%**

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

**Avg price**

**Bad****¥1692.93**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥466.19–¥4049.33**

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

**Signals**[** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")

## Reviews