Fungus Gnat Killer
MaybeAn 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 / 100Ranks 2,970 of 5,777 Home & Garden niches · −1 vs the category median of 5150
- 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.
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.
Top sellers
by estimated 90-day click share
Baby Bio Houseplant Bug Killer Ultra - Fast-Acting Bug Killer Spray - Effective Insect Control for Houseplants - Protection for Houseplants 1 Litre
- Price
- £4.73
- Rating
- 4.1/5
- Reviews
- 1,769
- Age
- 2y ago

Super Ninja Fungus Gnat Killer - 30 Pack Effective Gnat Killer for Indoor Plants Non-Toxic & Nature-Friendly Safe for Kids & Pets Yellow Sticky Fly Traps Lasts Up to 3 Months
- Price
- £5.01
- Rating
- 4.2/5
- Reviews
- 10,570
- Age
- 3y ago

Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.
- Price
- £11.88
- Rating
- 3.8/5
- Reviews
- 110
- Age
- 9mo ago

Fungus Gnat Killer Spray 200ml | Organic Protection Against Sciarid Flies | Effective for Houseplants Seedlings | Safe for Indoor & Outdoor Use | Targets Adults & Larvae | Eco-Friendly Formula
- Price
- £12.61
- Rating
- 3.2/5
- Reviews
- 307
- Age
- 1y ago

Fungus Gnat Nematodes for Houseplants and Indoor Plants Natural Soil Drench Treatment for Fungus Gnat Larvae in Compost Treats up to 12 sq.m
- Price
- £13.38
- Rating
- 3.9/5
- Reviews
- 106
- Age
- 1y ago
Trending
estimated 90-day click momentum
Green Guard Fungus Gnat Killer for Indoor Plants - 125ml Concentrate Fungus Gnat Larvae Killer & Soil Treatment Fast-Acting Natural Anti Fungal Gnat Treatment Control for Houseplants
- Price
- £10.76
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

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 | 2L
- Price
- £15.24
- Rating
- 3.6/5
- Reviews
- 39
- Age
- 5mo ago

Volcanic Pumice for Plants 38mm Dust-Free Natural Plant Pot Topper to Stop Fungus Gnats Premium Perlite Alternative for Bonsai Cactus & Soil Mixes Improves Drainage & Aeration (1L)
- Price
- £7.41
- Rating
- 4.5/5
- Reviews
- 191
- Age
- 2y ago

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
- Price
- £12.53
- Rating
- 3.6/5
- Reviews
- 39
- Age
- 8mo ago

Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.
- Price
- £11.88
- Rating
- 3.8/5
- Reviews
- 110
- Age
- 9mo ago
Newest
by launch date
Green Guard Fungus Gnat Killer for Indoor Plants - 125ml Concentrate Fungus Gnat Larvae Killer & Soil Treatment Fast-Acting Natural Anti Fungal Gnat Treatment Control for Houseplants
- Price
- £10.76
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

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 | 2L
- Price
- £15.24
- Rating
- 3.6/5
- Reviews
- 39
- Age
- 5mo ago

Fungus Gnat Killer Spray 200ml for Houseplants Seedlings and Young Plants Organic Insecticidal Soap Formula Targets Sciarid Flies Larvae and Adults for Indoor and Outdoor Soil Treatment Use
- Price
- £11.73
- Rating
- 3.1/5
- Reviews
- 40
- Age
- 6mo ago

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
- Price
- £12.53
- Rating
- 3.6/5
- Reviews
- 39
- Age
- 8mo ago

Fungus Gnat Control Gnat Attack Tablets Natural Pesticide-Free Solution for Effective Fungus Gnat & Larvae Control.
- Price
- £11.88
- Rating
- 3.8/5
- Reviews
- 110
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.
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.
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.
“Does not kill the bugs”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
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









