

🌿 Grow pest-free, grow proud — naturally unstoppable!
The Mosquito Company Anti Gnat Neem Cake Powder offers a natural, chemical-free solution targeting fungus gnats and larvae with systemic, long-term control. It doubles as a natural fertilizer, enriching soil with essential nutrients (NPK) while being safe for pets, humans, and aquatic life. Designed for flexible application—either as a soil drench or mixed into soil—this premium neem powder supports sustainable pest management and healthier plants.






| ASIN | B0BNQTCL97 |
| Batteries Required? | No |
| Best Sellers Rank | 83,580 in Garden ( See Top 100 in Garden ) 686 in Indoor Multi-Insect Control |
| Customer Reviews | 3.0 3.0 out of 5 stars (113) |
| Date First Available | 1 Dec. 2022 |
| Included components | Powder |
| Item Weight | 620 g |
| Manufacturer | Vince of London |
| Manufacturer reference | NCP-1L |
| Package Dimensions | 25 x 17.3 x 5.5 cm; 620 g |
| Part number | NCP-1L |
J**N
100% effective but prepare for the stink!
I tried a number of different solutions to get rid of fungas gnats on indoor chilli plants; e.g. nilnat (expensive and completely ineffective), an inch of fine sand over the growing media, (equally ineffective), yellow sticky labels, (effective at controlling the gnats but not addressing the underlying issue). However, within the space of two days, this neem powder was 100% effective and I've had no gnats anywhere near the treated plants since. However, it does reek for the first week after treatment, so bear this in mind when using it indoors.
S**D
It doesn't really work and smells bad
In our attempts to get rid of fungus knats in our indoor Dragon trees, we have tried lots of different things. Changing the potting soil, yellow sticky traps, washed the roots and also NEEM. None of these seem to solve the problem, but let me focus on the NEEM. We have applied the neem as a dry powder on the top of the soil and we have also mixed the neem into a solution and followed all instructions. The neem does reduce the knat infestation but does nothing to break the cycle and eradicate the problem. The powder has a strong smell of dried onions, which can be objectionable. Customers would not mind the smell if the product did all it claimed. We have bought two lots of Neem of the last year, so no one can say we haven't given this product a fair try. If the product was effective as the the makers claim the fungus knats would not keep returning. I'm told that fungus knat larvae can also be in potting soil, so changing the potting soil is also a roll of the dice. My take away from all this is that Anti Gnat Neem Cake Powder is NOT an effective way to control fungus knats and is very overpriced for its under preformance.
D**C
Very smelly. Questionable effectiveness.
Am on the third application, used a week apart each time. The gnats are reduced in numbers but still present. The powder when mixed is pretty odourless, but once you add the solution to the plants, the smell is unbelievably horrible. Like sour stale B. O. It's rank.
Q**N
Works but stinks
I used the product a little differently, I've had a heavy fungus gnat infestation, so I mixed up a large amount of this product and then placed the plant pots directly into the 'bath' to soak the soil and roots for an hour each, it worked brilliantly, the fungus gnat numbers drastically dropped overnight. It's now a few days on, and the smell is awful, at first it was kind of like old coffee, now it's more eau de poop, unfortunately for me, all my houseplants are in my bedroom, so I now have a lovely selection of air fresheners pinned just above my pillow for night time, and windows are opened during the day.
S**S
Effective Solution for Gnat Infestation
After months of dealing with a serious gnat infestation, I was at my wit's end. I tried every solution I could find, but nothing seemed to work. As a last resort, I decided to try out this product, and I'm thrilled to say that it was incredibly effective. After just one use, I was able to completely rid my home of gnats. I couldn't be happier with the results.
R**E
Avoid
This product does not work,also the stench is intolerable,I'm beyond upset as I had over 50 healthy plants that I have had for years! And this disgusting stuff has killed nearly all of them! The mould grows like wildfire! Even after rinsing as much out of my plants as possible the smell is still there and most have died,even my biggest plants are still fighting to stay alive over 2 months later! AVOID AVOID AVOID!
M**Y
Did not work for fungus gnats
Did not work to control fungus gnats. Has peculiar smell when watering plants with it in the mix. Some plants did not like it.
P**E
It seems to have worked
I sprinkled this onto the top of the soil and mixed into the top inch or so using a skewer, used in conjunction with yellow sticky pads placed in the pot we’re now clear of gnats. The smell is strong but not as bad as I expected having read other comments
Trustpilot
1 day ago
2 weeks ago