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mosquito dunks in soil Q?

ataxia
Well-Known Member
evilpyro26
Well-Known Member

I’ve used Mosquito dunks before and they definitely work. The dunks will kill the fungus gnats in the larval stage, but will have no effect on the adult flying gnats. This is because Mosquito Dunks are a biological insecticide utilizing the Bacillus Thuringiensis (BT) bacteria to infect and kill the larvae. This breaks the life cycle of the fungus gnat, and eventually the adults die off, and it’ll be bye, bye fungus gnats.

Here’s how I do it:
1) Crush up one mosquito dunk
2) Dissolve in a five gallon bucket of water for at least overnight.
3) Place the problem plant into the bucket (pot and all)
4) Let it soak for 10-15 minutes.
5) Remove.

This should start killing the fungus gnat larvae relatively quickly. If you want to get rid of the adult flying fungus gnats, get some yellow sticky traps. Another thing worthy of mentioning is to make sure that you don’t over-water because an overly moist soil is the preferred environment for fungus gnats, since they only lay their eggs in wet soil. If you let your soil dry out a little in between waterings, this problem won’t ever occur.

Builder’s/Play sand spread over the top of the soil in a 1″ layer will discourage fungus gnats from laying their eggs.

ataxia
Well-Known Member

I’ve used Mosquito dunks before and they definitely work. The dunks will kill the fungus gnats in the larval stage, but will have no effect on the adult flying gnats. This is because Mosquito Dunks are a biological insecticide utilizing the Bacillus Thuringiensis (BT) bacteria to infect and kill the larvae. This breaks the life cycle of the fungus gnat, and eventually the adults die off, and it’ll be bye, bye fungus gnats.

Here’s how I do it:
1) Crush up one mosquito dunk
2) Dissolve in a five gallon bucket of water for at least overnight.
3) Place the problem plant into the bucket (pot and all)
4) Let it soak for 10-15 minutes.
5) Remove.

This should start killing the fungus gnat larvae relatively quickly. If you want to get rid of the adult flying fungus gnats, get some yellow sticky traps. Another thing worthy of mentioning is to make sure that you don’t over-water because an overly moist soil is the preferred environment for fungus gnats, since they only lay their eggs in wet soil. If you let your soil dry out a little in between waterings, this problem won’t ever occur.

Builder’s/Play sand spread over the top of the soil in a 1″ layer will discourage fungus gnats from laying their eggs.

thanks man! same advice i’ve read about. My problem is the adults . i’ve been putting off going to homedepot to grab the sand.
thanks for the tip though . I did exactly what you described last night.. It just seemed to make sense to dunk the whole pot in the bucket. I have yet to see results since i have so many adult gnats and they’re gonna be next to impossible to get rid of em all due to my location. but thanks again.
One thing i notice about my gnats is . I notice one of their favorite places besides the soil is in the crevices and cracks of my milk crates they my plants are elevated on. I’ve been attacking these bastards for days .

just picked up a few packs to try and control these fuckingnats i hate these motherfuckers! ok …. so how exactly are they used and when should they not…

Mosquito dunk question

  • Oct 26, 2019
  • #1
  • Moonchild90
    Active Member

    So I’m fighting fungus gnats a little bit and want to get going on fighting them before it gets too out of control. I’m going to get some mosquito dunks and sticky cards. My question is do you mix those dunks in with a regular feeding or just a straight water feeding? Thank you in advance!

    • Oct 26, 2019
  • #2
  • bobrown14
    Grow Journal of the Month: Dec 2017 – Photo of the Month: May 2020

    Try spinosad – those 2 items you speak of are poison. The cards off gas poison and the mosquito dunks put the poison in your soil. yuk

    A small fan is enough to get rid of the fungus gnats. If you dont get rid of them with a fan you likely have something other than gnats. Leaf Hoppers are an example. You will know when the plants are being eaten. fungus gnats dont eat plants. Sometimes the larvae will eat roots. Best to blow them away with a fan pointed at the soil line. The gnats dont fly very well.

    Again spinosad will get rid of them you can water in and or foliar on. I foliar and never get gnats.

    The product I use is Monterey Garden Spray (spinosad). It’s a bacteria that kills many pests in your gardens including spider mites and is organic. Mix with water foliar on and or water in.

    Hey guys, So I’m fighting fungus gnats a little bit and want to get going on fighting them before it gets too out of control. I’m going to get some…