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mrdreampipe
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Fungus Gnats 1
#27305724 - 05/12/21 12:32 PM (3 years, 8 months ago) |
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Hey all - first timer - PF Tek - all my cakes have done at least 1 flush - noticed some fungus gnats have taken home. I did put a sticky trap inside - my biggest concern is for at least now, while I have it some what under control - other than a nuisance; is there anything I should be worried about? I wasn’t sure if they’d have an effect on the actual fruits!
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Atomsplit



Registered: 01/16/21 
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Sounds like you have done what you needed to do.
Since your brf cakes are fully colonized I don't think it's much of a concern.
Are they more attracted to the cakes or hanging out in your substrate?
Are you using a sgfc?
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Edited by Atomsplit (05/12/21 01:01 PM)
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mrdreampipe
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Yea to sgfc - and they’re really just hanging on the cakes - they don’t really seem to be doing much, and obviously once it comes time, I’ll clean everything out - just wasn’t sure if there was anymore to worry about, or if there are some risks to fruits
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Atomsplit



Registered: 01/16/21 
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I wouldn't be too worried about it. I believe we consume many bug parts in our fruits and veggies.
I've inhaled a fruit fly before. I'm still alive 
The next dunk should keep em in check. Good job on the sticky trap.
I personally think you're good.
Maybe someone else will chime in with a different opinion.
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mrdreampipe
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Cheers my friend!
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Lieutenant Pan
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The gnats can cause mold on plants maybe mushrooms also. If you use a dehydrator to dry your fruits that'll help but one thing I know about those gnat basterds you see a few now you'll see a thousand in a few days.
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Goatrider
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Yeah, they come to lay eggs. It`s no fun having them in your tubs. Since we placed some lavender around the windows, they never returned. I once had them here, but got them fast drowned in shotglasses with soapy water and a shot of fruity red wine.
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LadysKnight
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A drop of peppermint oil in a water spray bottle, end of story.
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Lieutenant Pan
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yeah without knowing where the eggs are it'll be hard to eradicate. I've had luck spraying some neem oil water on the soil of plants but I don't know if you want that stuff on mushroom substrates.
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Failboat
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If you got gnats then it's time to clean the house. If they infest your plants use nematodes and BTI.
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Goatrider
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Quote:
Lieutenant Pan said: yeah without knowing where the eggs are it'll be hard to eradicate. I've had luck spraying some neem oil water on the soil of plants but I don't know if you want that stuff on mushroom substrates.
Yeah not really i guess.
As Quirkmeister said, if they started a cycle they multiple very fast, time to do something then.
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mrdreampipe
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For sure - I appreciate all those answers - they suck lmao - I think currently my biggest concern is the fruiting I have going on now - if those typically would be ok to consume as long as they look ok
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Goatrider
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Dry and boil tea if you get nervous 
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LadysKnight
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Lieutenant Pan
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Don't get too nervous your stomach has hydrochloric acid it can dissolve metal yo!
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sandman420
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I keep 2 INDOOR bug traps in my grow room. Don't use the zapper type that puts guts in the err .
Edited by sandman420 (05/12/21 05:24 PM)
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Failboat
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Goatrider
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Re: Fungus Gnats [Re: Failboat]
#27306471 - 05/13/21 12:27 AM (3 years, 8 months ago) |
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I know some people having a hard time getting rid of them. One had to use an ozone generator.
They are attracted by the smell of fungi and by yellow colour, they lay eggs, the matures come to eat, that`s all i know about these dickheads and that`s enough for me.
So as i mentioned, to prevent this i placed lavender near the windows, that fuckers really hate it. An exterminator once gave me the advice. I never saw only one single gnat again, even no mosquitos, and we have quite a pleasant smell in the house.
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Regis
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I had a really bad gnat infestation and nothing seemed to help. Tried peppermint oil, bti, nematodes, yellow traps. Even stopped growing for two weeks. The fuckers kept coming back. So I said fuck it and gassed them with insecticide. I think it was called "ardap fogger". Never had a problem since. From time to time one single gnat appears, but I can live with that.
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Goatrider
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Re: Fungus Gnats [Re: Regis] 1
#27306477 - 05/13/21 12:57 AM (3 years, 8 months ago) |
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Yeah if you miss to kill their larvae, you`ll run after them for the rest of your life like this
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RJ Tubs 202



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Although adult fungus gnats are attracted to moist organic materials, such as potting soil, the potential problem is with the gnat larvae, which are very tiny (barely visible) worm like creatures. Fungus gnat larvae used to destroy my young tender baby carrot plants in the lab (the larvae eat the roots) but I doubt they would harm a PF cake. Some fragrant oils (citronella, peppermint) are said to repel the adult gnats.
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starbones
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Get Mosquito dunks, Aqua-bac or something similar made with BTI bacteria. Toss it into a spray bottle with water and let it sit overnight. Spray household plants/substrates with it to kill the larvae. Doesn't appear to have a noticeable impact on mycelium, YMMV.
Fog the air with pyrethrin based insecticide, don't spray your substrate directly with it.
Repeat after one week.
Shit won't matter if you've got a wet yard though, if there's a shady area of your yard that's usually more damp than the other places you'll have fungus gnats coming inside lured by the smell of cube mycelium, trichoderma etc. It's a real cock to have spent a few months without them after struggling to get rid of them only for them to come back because a few got in through a window crack.
You can sprinkle Aqua-Bac around your yard for mosquito/gnat control though.
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Inthepit
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Ok goin out onna limb again...no one has mentioned the gnats symbiotic relationship with Trichoderma. Also the addition of diatomaceous earth... "just mix every 50lb bag with about 2 cups of diatomaceous earth. No bugs, ever.Yes a mask is a good idea when adding." The diatoms cut the larvae and they dry up.
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starbones
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Re: Fungus Gnats [Re: Inthepit] 1
#27306965 - 05/13/21 11:17 AM (3 years, 8 months ago) |
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I have mentioned it plenty of times on these forums citing the research done by Penn State and constantly getting into it with TCs regarding this. Pregnant females are hardwired to seek trichoderma as the scent causes the largest response measured in their antennae.
Anyways DE is fucking useless when it gets wet so it's useless in this hobby as the first time you mist it loses its ability to perform its function.
BTI for larvae, Pyrethrins for adults, as said.
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Inthepit
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Quote:
starbones said: Pregnant females are hardwired to seek trichoderma
Anyways DE is fucking useless when it gets wet so it's useless in this hobby as the first time you mist it loses its ability to perform its function.
BTI for larvae, Pyrethrins for adults, as said.
Thanks Starbones and I think I got that data from you.
But DE, I've used in aquarium filters, it's also an ingredient in many foods.
Edited by Inthepit (05/13/21 11:46 AM)
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the man
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Re: Fungus Gnats [Re: Inthepit]
#27306980 - 05/13/21 11:48 AM (3 years, 8 months ago) |
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ya the flies are whatever but its because they lay eggs and larva are those white worms that eat entire mushrooms from inside out but hopefully done flushing before that.
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pug_farm
Part-time dehydrator

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Re: Fungus Gnats [Re: the man]
#27307711 - 05/14/21 01:16 AM (3 years, 8 months ago) |
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I've had a few projects stall out because of them. I know rr doesn't seem to mind them but they're worse than trich in my books (at least more annoying). Have had some success with bti - been reluctant to try pyrethrin but I have some here if they come back.
Crucial bit of advice is to quarantine any projects immediately. I went from one gnat in one tub to thousands EVERYWHERE very quickly
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Failboat
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Re: Fungus Gnats [Re: pug_farm] 1
#27308049 - 05/14/21 08:43 AM (3 years, 8 months ago) |
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I only had a real problem with them in my cannabis. It's in a tent right next to mush tubs and they really preferred the soil. BTI used properly works wonders and mosquito bits will lats a long time it s3ems
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Josborne
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Re: Fungus Gnats [Re: Failboat] 1
#27309010 - 05/14/21 08:46 PM (3 years, 7 months ago) |
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I've found that once they show up, its already too late (unless you're talking a few...maybe if you get rid of them ASAP before they lay eggs you have hope). The best course of action is to move non infested tubs to a new area or stop all together. Spend that time getting rid of any leftover gnats.
They multiply quick—add more tubs and they multiply even quicker. Im talking hundreds if not more.
If you wanna cut down numbers quick, I've found a vacuum hose is ideal. suck all those fuckers away
Edited by Josborne (05/14/21 08:47 PM)
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Nichrome
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Re: Fungus Gnats [Re: Josborne]
#27309078 - 05/14/21 09:39 PM (3 years, 7 months ago) |
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Time to invest in a set of frogs.
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sandman420
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Re: Fungus Gnats [Re: Nichrome]
#27309080 - 05/14/21 09:40 PM (3 years, 7 months ago) |
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how many frogs to a set? You got a frog guy?
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Nichrome
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No trading animals on the shroomery... 
Really though, fungus gnats shit, puke, and fuck out their own microbiome just like me and you. Everything they need to proliferate. Trich included.
Frogs come standard as a bakers dozen from most places.
-------------------- discussions are a healthy alternative to arguments
There is only one electron, and it's you.
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Failboat
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Re: Fungus Gnats [Re: Nichrome]
#27309117 - 05/14/21 10:40 PM (3 years, 7 months ago) |
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I met a frog guy once...
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Ashtray161
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Re: Fungus Gnats [Re: Failboat]
#27309153 - 05/14/21 11:37 PM (3 years, 7 months ago) |
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yo if someone has frogs here they better not be holding out
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