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Fungus Gnat Killer

Maybe

An estimated 0.1% of orders come back. But prices span $2.56–$15.24, mostly outside the sweet spot, so Fungus Gnat Killer is a Maybe.

Flapen Score
50
50 / 100
Ranks 2,970 of 5,777 Home & Garden niches · −1 vs the category median of 51
Market size
£294K/yr304K searches / yr
90-day growth
-29.4%search demand this quarter
Competition
64%top-5 click share · 15 brands · 68 sellers

Flapen Score

Fungus Gnat Killer against its category

The dotted line is the Home & Garden average. Past it, Fungus Gnat Killer is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Fungus Gnat Killer market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Fungus Gnat Killer 304K times last year and spent an estimated £294K. The top 5 brands take 73% of clicks. Demand peaks in Jan–Nov–Dec. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 10.8% of those searches ended in a purchase.

Shoppers searched for this 304K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.8% of those searches ended in a purchase. Searches in the last 90 days moved -29.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £294K a year.

Searches, last 12 months
304K
Growth, 90 days vs prior 90
-29.4%
Conversion, latest week
10.8%
Market size, estimated
£294Ka year
Peak month
November2.1× the quietest month
Top search term
fungus gnat killer90K searches a year

02 · Price

A sale here is worth £8.98.

Listings sell for £8.98 on average, from £2.56 to £15.24. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 1,250 to 1,500 of them. At £8.98 that is £11K to £13K a year per listing.

Average price
£8.98under the $15 to $100 sweet spot
Price range
£2.56–£15.24
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
1,250–1,500
Revenue per listing a year
£11K–£13K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

95% of listings pay for placement with sponsored ads. 81% ship with Prime. On an average day, 5.6% of listings are out of stock. The average listing ranks #135 within Plant Protection & Pest Control. It carries 4,023 reviews at 4.04 stars, so a new listing needs social proof before a better product.

Sponsored listings
95%
Prime listings
81%
Out of stock, average day
5.6%
Average rank
#135in Plant Protection & Pest Control
Average rating
4.04 starsAmazon United Kingdom average 4.36 stars
Average reviews
4,023per listing
Listings tracked
21

04 · Newcomers

1 of last year's 6 launches cleared the first-year sales bar.

6 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.

Launched, last 12 months
6
Successful launches
1Amazon's first-year sales bar
Average brand age
49 months

Products

Top Fungus Gnat Killer products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 26, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.

£0£29K£59K£88K£118K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

68

Est. top-5 brand share

73%

Top 20: 100%

Est. top-5 click share

64%

Top 20: 99%

Open market

21%

  • Baby Bio24%
  • Super Ninja17%
  • READY STEADY DEFEND13%
  • PLANT NURSE12%
  • Provanto7%
  • Gardening Naturally6%

Demand

Fungus Gnat Killer search demand

Weekly searches over the year, seasonality beneath. Pick a range.

9K7KSpike '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.1×

Search terms

Top Fungus Gnat Killer search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • fungus gnat killer90K/yr
  • gnats killer indoor plants40K/yr
  • fungus gnat killer for indoor plants51K/yr
  • fungus gnat23K/yr
  • gnat killer19K/yr
  • bti for fungus gnats9K/yr
  • fungal gnat treatment10K/yr
  • gnat spray10K/yr
  • fungus gnats8K/yr
  • gnat7K/yr

Reviews and returns

What reviews say buyers love and hate about Fungus Gnat Killer

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Pest/Insect Control”
25%of negative reviews mention “Pest/Insect Control”
0.1%of orders come back
“Does not kill the bugs”
A buyer, on “Pest/Insect Control”25% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Fungus Gnat Killer questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data