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🌱 Say goodbye to gnats, hello to thriving greens!
This 200ml Fungus Gnat Killer Spray from Ready Steady Defend uses a biodegradable, insecticidal soap formula with potassium salts and natural soya oils to safely and effectively target both adult fungus gnats and larvae. Suitable for indoor and outdoor use on houseplants, seedlings, and garden plants, it disrupts the pest life cycle over time, promoting healthier roots and vibrant growth without harsh chemicals.





| ASIN | B0DNTNFTZW |
| Active Ingredients | potassium salts, soya oils |
| Active ingredients | potassium salts, soya oils |
| Best Sellers Rank | 4,269 in Garden ( See Top 100 in Garden ) 31 in Outdoor Multi-Insect Control |
| Brand | READY STEADY DEFEND |
| Brand Name | READY STEADY DEFEND |
| Country of Origin | United Kingdom |
| Customer Reviews | 3.3 out of 5 stars 301 Reviews |
| Included Components | Spray |
| Item Form | Spray |
| Item form | Spray |
| Liquid Volume | 200 Millilitres |
| Liquid volume | 200 Millilitres |
| Manufacturer | Ready Steady Defend |
| Part Number | FGS200ML |
| Target Species | fungus gnats, sciarid flies |
| Target species | fungus gnats, sciarid flies |
A**Y
It does work but takes time.
It is effective but you need to soak them a few times over a few weeks.
J**H
Don't bother - it doesn't work
Everywhere I go in my house I see tiny black flies. As soon as I sit down they come looking for me and annoy me by flying around in front of my eyes. When I go to swat them they disappear, only to reappear a few moments later! I bought this Fungus Gnat Killer and used it as per the instructions. However, it has made not a ha'porth of difference. We still have flies. They are obviously coming from the compost I bought to repot a Peace Lily plant that had outgrown its pot. It was so big I split it into two plants so have twice the number of flies I would have had if I'd just repotted it as one plant! I put yellow bug catcher stickies in all of my plants which, as you can see, have been very effective. The photos show both sides of the two stickies I put in the worst affected plant just a week ago!
E**A
Good
Very good spray. I gave it 4 stars because it’s a bit pricey and it doesn’t last very long
G**T
Numbers go down but then comeback
Hasn’t seemed to have worked - it kills them off initially but then they come back.
M**.
Unsure if works
Unsure if it works. Sprayed directly onto a fungus gnat and just flew off so no idea if it's done the job. Yellow sticky things seem to work better and cheaper...
J**P
It’s early days but appears to work
It seems to be working but time will tell. Needed to also put gravel on the soil surface as part of a thirty day treatment plan
R**D
….
Hello, I recommend the seller and his product range, I am satisfied with the order received, good quality, delivery on time
S**T
Useless - does not work
Absolutely hopeless. Do not buy this stuff - it does not work. The pump mechanism failed after a couple of days. The fungus gnats seem to thrive on the stuff. I’ve had to move the plants outside to a shed to try and clear the house of small flies. In short - an absolute rip-off. Avoid!
Trustpilot
1 month ago
1 month ago