Fungus Gnat Larvae

Just curious if anybody has seen plants bounce back to health after being yellow and fairly droopy for about a week or two now.

I have used probably 3 Azamax soil drenches before i used the soil and a couple times when in use with plants in them.. Roots organics... seriously contemplating dumping the rest of the Super soil i made that is in a trash can.

I actually have nearly no adults in the room.. Havent seen one in a week, and have never had A LOT. Everything seems fine, till you really focus on the soil. The larvae are fucking eevvvvverywhere and dont seem fazed by much.

I have topped soil with DE, ground up 4 mosquito dunks and gave some to each pot. Got some Azamax and drenched each plant. This was 3 days ago. I understand that the dunks/BTi will need some time to effect them.

Does anybody know the correct timing for Azamax soil drench? Ive heard every 10-14 days, ive heard every 3-4, and then i hear dont over water.. whats your experience?

Kinda feeling like FUCK ROOTS ORGANICS right now... but im sure im making a mistake somewhere and this can be fixed.

Have u considered other benefical predators?

when i see some gnats flying around ill top with wormcasting and they seem to disappear.

Try garlic spray
also try cillarntro spray

Any of these or all of these suggestions should work

How are there larvae everywhere and no adults? Unless they just had a big breeding boom, or the products are starting to work (are the larvae moving at all?). Otherwise is it possibly something other than gnats? Maybe you have some gnats and something else as well, it is not uncommon. Fungus gnat larvae look like little white worms, typically with a little black dot for a head. They are up to about a quarter inch long (2-6 mm).

There are other bugs which love to eat fungus gnat eggs and larvae and do no harm to the plant, including predator mites (e.g. Hypoaspis) and beneficial nematodes attack and parasitize gnat larvae. If any of these are available to you or you don't mind ordering them online I would if you planned to keep growing in soil.

The Bti should start killing gnat larvae as soon as they eat enough of it, so perhaps the lack of adults is an indication it is working. For a really bad infestation you need multiple controls, though, and IMO the biological ones are the best.

Personally, I would stop pounding your soil with Azamax. The mosquito dunk WILL work, you just need to be persistent with it. Soak a half a dunk (crumbled/ground up) overnight in a 5-gal bucket of water, and give this to the plants 3-4 waterings in a row (while allowing the soil to dry out a little more than usual between waterings). You should be rid of them quickly.

Also look into predatory nematodes for prevention in the future. For these, it's best to order directly from the supplier, so you know you are receiving a fresh, lively batch instead of one that's been sitting in the hydro shop refrigerator for months...

If you plan to reuse the soil (recommended), I would add neem seed meal and crab meal when you remix it. This will add another layer of prevention.

To be effective DE needs to be dry.

DE is affective against hard-bodied pests with exoskeletons. Gnat larvae are soft-bodied. Also, as mentioned, the DE needs to be dry and powdery so that it will coat the pests in dry DE dust when they walk over it. The dust actually scrapes and slices up the outer layer of the insects' exoskeletons, causing it to loose too much moisture, dehydrate, and die.

Gnats are usually easy to control. Mosquito dunks (Bacillus Thurengesis) works after a couple weeks, only kills the larvae in the soil.

No pictures were offered but I bet you got something else going on. Everyone has a few gnats in soil.

Overwatering and having the soil surface wet constantly will give you the gnats.

I am familiar with fungus gnats from previous hydyo grows and have found signs of some in a new coco grow, never used this before and it looks like they would like this type of medium. I have seen and killed a few flyers and also have seen some 1st and 2nd stage larvae upon close inspection in some of the small containers so I know that immediate action is necessary. I will be using sticky traps to monitor adult population and have stated to add BTI to my water. I plan on using nematodes and other pediatory soldiers to do the one on one battle as well.
Fungus gnat larvae thrive in damp conditions...not the time to overwater.