---
title: "Nematodes Fungus Gnats — £64K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/nematodes-fungus-gnats"
last_updated: "2026-08-01T01:34:10.091Z"
locale: en
meta:
description: "Niche score 44/100 · £64K/yr market · 47K searches/yr · £11.55 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £64K/yr market · 47K searches/yr · £11.55 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nematodes Fungus Gnats — £64K/yr Amazon UK Niche (2026) - Flapen"
---
# **nematodes fungus gnats**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 16Growth 18Conversion 95Competition 21Returns 99Price range 26Avg price 46Brand share 8Review moat 54Quality gap 95
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,358.23**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****£11.55**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£5.01–£18.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-14.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£64K**
£64K/yr · 47K searches
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United Kingdom niche tracking, nematodes fungus gnats is a £64K/yr Amazon United Kingdom market (47K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 44/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nematodes fungus gnats market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **£58K–£69K**
- units × avg price
- **Conversion rate**
- **11.9%**
- **Avg BSR**
- **#120**
- **Page quality**
- **0%**
- **Prime**
- **38%**
- **Sponsored**
- **85%**
- **Out of stock**
- **8.1%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**10**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**1%**
- Gardening Naturally40% - Nemasys33% - READY STEADY DEFEND11% - PLANT NURSE9% - Detox Organica4% - Generic2% - Open — no brand owns it (1 brand, 1%)
## **Demand & seasonality**
Weekly Amazon search volume, last 88 weeks — -14.9% search growth over the last 90 days.
1K600Spike '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/home-garden/nematodes-fungus-gnats/trend)
## **Top nematodes fungus gnats search terms**
- **nematodes fungus gnats**22K/yr-37.5%9.6% conv. - **fungus gnat nematodes**11K/yr-14.1%11.0% conv. - **steinernema feltiae**5K/yr+32.5%5.6% conv. - **beneficial nematodes**5K/yr+38.7%5.0% conv. - **sciarid fly nematodes**4K/yr-16.4%14.9% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/nematodes-fungus-gnats/search-terms)
## **Top nematodes fungus gnats 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%10%£6K20%£13K30%£19K40%£26K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fungus Gnat Nematodes for Houseplants and Indoor Plants Natural Soil Drench Treatment for Fungus Gnat Larvae in Compost Treats up to 12 sq.m**Gardening Naturally**£13.38**3.9★106 rev](https://www.amazon.co.uk/dp/B0F74B44ZX) [2**Sciarid Fly Nematodes Fungus Gnat Compost Fly Organic Natural Killer Treatment Treats 12.sqm**Gardening Naturally**£13.14**4.1★1,006 rev](https://www.amazon.co.uk/dp/B07RRBX6Q7) [3**Nemasys Natural Fruit and Veg Protection Nematodes**Nemasys**£8.85**4.2★1,857 rev](https://www.amazon.co.uk/dp/B004R2GQ2S) [4**Sciarid Fly Killer Nematodes 15 sqm**Nemasys**£10.50**4.4★843 rev](https://www.amazon.co.uk/dp/B00BBF9FGS) [5**Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.**PLANT NURSE**£11.88**3.8★110 rev](https://www.amazon.co.uk/dp/B0FVG3JX3G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fungus Gnat Control Granules for Indoor Plants | Natural Diatomaceous Earth Soil Topper | Breaks Gnat Life Cycle & Prevents Larvae | Pesticide-Free Fungus Gnat Killer Spray Alternative | 1L**READY STEADY DEFEND**£12.53**39 rev8mo ago](https://www.amazon.co.uk/dp/B0G1CJ2S75) [**Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.**PLANT NURSE**£11.88**110 rev9mo ago](https://www.amazon.co.uk/dp/B0FVG3JX3G) [**Detox Organica Anti-Fungus Gnat Soil Treatment 100g - Powder 100% Soluble - Multi-Pest Control for Gnats Black Flies and Mosquito Larvae - with 5g Measuring Scoop**Detox Organica**£10.64**40 rev1y ago](https://www.amazon.co.uk/dp/B0FC6J4NCQ) [**Fungus Gnat Nematodes for Houseplants and Indoor Plants Natural Soil Drench Treatment for Fungus Gnat Larvae in Compost Treats up to 12 sq.m**Gardening Naturally**£13.38**106 rev1y ago](https://www.amazon.co.uk/dp/B0F74B44ZX) [**Fungus Gnat Killer Nematodes 10 m (5 million) Indoor Plants - Effective Biological Control Ideal Gnats Killer Indoor Plants Comprehensive Scairid Fly Killer for Houseplants**READY STEADY DEFEND**£13.23**118 rev1y ago](https://www.amazon.co.uk/dp/B0D155QS82)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nemasys no ant 16sqm pack**Nemasys**£11.52**3.8★**▲ 300%**](https://www.amazon.co.uk/dp/B000QU4Z1O) [**Nemasys Leatherjacket Killer nematode treatment (100 sqm)**Nemasys**£18.51**4.3★**▲ 106%**](https://www.amazon.co.uk/dp/B0753F65J5) [**Detox Organica Anti-Fungus Gnat Soil Treatment 100g - Powder 100% Soluble - Multi-Pest Control for Gnats Black Flies and Mosquito Larvae - with 5g Measuring Scoop**Detox Organica**£10.64**3.6★**▲ 89%**](https://www.amazon.co.uk/dp/B0FC6J4NCQ) [**Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.**PLANT NURSE**£11.88**3.8★**▲ 60%**](https://www.amazon.co.uk/dp/B0FVG3JX3G) [**Fungus Gnat Control Granules for Indoor Plants | Natural Diatomaceous Earth Soil Topper | Breaks Gnat Life Cycle & Prevents Larvae | Pesticide-Free Fungus Gnat Killer Spray Alternative | 1L**READY STEADY DEFEND**£12.53**3.6★**▲ 40%**](https://www.amazon.co.uk/dp/B0G1CJ2S75)
**~~View all trending →~~**
## **What buyers say about nematodes fungus gnats**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**15%
*“As advertised”*
**Quality-Overall**14%
*“Good quality”*
**Ease Of Use**13%
*“Easy to Use”*
**Pest/Insect Control**13%
*“Work well and clears up small plant insects”*
**Value For Money**10%
*“Good value”*
**Instructions/User Manual/Troubleshooting**7%
*“The instructions are clear”*
**Strength**4%
*“Sturdy and easy to use,”*
**Adhesion/Stickiness**4%
*“Very good combined with yellow stickys”*
**Plant Growth**3%
*“our grass has finally started growing again”*
**Efficiency**2%
*“Works excellent”*
### **What buyers complain about **
**Functionality-Overall**37%
*“Did not work”*
**Pest/Insect Control**15%
*“No gnats”*
**Adhesion/Stickiness**9%
*“Not Sticky Atall”*
**Value For Money**9%
*“Not cheap”*
**Spray/Flow**3%
*“I tried all the usual solutions. but dislike chemical sprays.”*
**Smell**3%
*“Apart from smelling fresh”*
**Strength**3%
*“too flimsy”*
**Instructions/User Manual/Troubleshooting**3%
*“instructions could be better”*
**Quality-Overall**2%
*“Absolute rubbish, does not work”*
**Size-Overall**2%
*“Bigger than I thought”*
### **Top return reasons **
**Functionality-Overall**29%
**Adhesion/Stickiness**13%
**Pest/Insect Control**11%
**Advertised Vs Actual Product**11%
**Leak-Proof**6%
**Defective Material/Parts**5%
**Size-Overall**4%
**Smell**3%
**Instructions/User Manual/Troubleshooting**3%
**Spray/Flow**3%
## **Common questions**
- **Is nematodes fungus gnats profitable to sell on Amazon United Kingdom?**
- The niche generates £64K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Skip it (44/100).
- **How competitive is the nematodes fungus gnats niche?**
- 7 brands and 10 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in nematodes fungus gnats?**
- Top complaints mined from reviews: Functionality-Overall, Pest/Insect Control, Adhesion/Stickiness. The return rate is 0.1%.
- **When does demand for nematodes fungus gnats peak?**
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- **What does it cost to enter the nematodes fungus gnats niche?**
- Listings span £5.01–£18.51; the average listing price is £11.55 (sweet spot $15–$100). The average incumbent carries 1,358 reviews — the moat a new listing must climb.
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