---
title: "Reviews — ammonium sulfate - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/ammonium-sulfate/reviews"
last_updated: "2026-08-09T09:16:11.894Z"
locale: en
meta:
  description: "Niche score 66/100 · $177K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 66/100 · $177K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — ammonium sulfate - Flapen"
---

# **ammonium sulfate**

**Worth a look**

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 36Growth 86Conversion 57Competition 52Returns 98Price range 89Avg price 95Brand share 73Review moat 72Quality gap 43

**Returns**

**Incredible****0.4%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$30.14**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$9.63–$76.95**

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

**Growth**

**Great****+87.4%**

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

**Brand share**

**Good****61%**

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

**Review moat**

**Good****612.22**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Good****4.8%**

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

**Competition**

**Good****54%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$177K**

$177K/yr · 122K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

## Reviews