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 NotE
Stranger
Registered: 12/21/23
Posts: 91
Last seen: 4 months, 7 days
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 How do I rid of Fungus gnats. 
#864590 - 02/12/24 11:22 PM (8 months, 13 days ago) |
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How do I get rid of gnats?
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 yoosername
Strange
Registered: 06/09/17
Posts: 761
Loc: Somewhere under the Sun
Last seen: 5 minutes, 56 seconds
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Re: How do I rid of Fungus gnats. [Re: NotE]
#864591 - 02/12/24 11:28 PM (8 months, 13 days ago) |
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Sticky traps for the adults, drench the medium with gnatrol to kill the larvae. May take several applications.
Sometimes they can nest in the sink drain too, best to bleach it if in doubt.
You need to wage holy war, nothing is acceptable but the complete and utter annihilation of every single fungus gnat in your home. Otherwise they will keep showing up.
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Versicolour
Registered: 01/20/24
Posts: 704
Last seen: 5 months, 20 days
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Re: How do I rid of Fungus gnats. [Re: yoosername]
#864594 - 02/13/24 04:19 AM (8 months, 13 days ago) |
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The more plants that you have in your house, the more it becomes impossible.
I have tons of house plants all over my whole house, so fungus gnats have become a part of my life permanently.
There is absolutely no way to get rid of them at all until all my plants go outside for the spring, and then the cycle repeats every fall when I bring them all back inside.
The only thing that I can do is manage them, so that they don't totally get out of hand, but eradicate them 100%, just forget about it. It can not be done 
Good luck brother 
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NotE
Stranger
Registered: 12/21/23
Posts: 91
Last seen: 4 months, 7 days
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Re: How do I rid of Fungus gnats. [Re: Versicolour]
#864636 - 02/14/24 12:46 PM (8 months, 11 days ago) |
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Ok I read 1:4 hydrogen peroxide kills eggs. And yes there are much less around lately. So repeated applications will get rid of em for good j just don’t want any malathion near my plants or I’d sprinkle seven on the soil. 1:4 not strong enough I suggest 1qt container per half gallon. Cause it didn’t really work till I poured some full strength 3% on there.
Edited by NotE (02/14/24 12:48 PM)
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Versicolour
Registered: 01/20/24
Posts: 704
Last seen: 5 months, 20 days
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Re: How do I rid of Fungus gnats. [Re: NotE]
#864640 - 02/14/24 02:15 PM (8 months, 11 days ago) |
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Let us know how it turns out
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 resincoatedlungs
Brickweed Aficionado
Registered: 09/05/12
Posts: 503
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Re: How do I rid of Fungus gnats. [Re: NotE]
#865314 - 03/07/24 06:34 AM (7 months, 21 days ago) |
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Hm, kinda late here but in personal experience, this combination works:
- Sticky traps for flying adults
- Mosquito Dunks for larvae
- ~½" - ¾" layer of sand on top of soil to prevent adults that fly out from getting back down into the soil to lay eggs. Once they're gone, scoop as much sand out as possible to prevent suffocation of roots.
Speculation here, but I'd be careful with using a lot of H2O2; i'd worry how stressful it is on the roots as well as how much microbio it's killing off, which may or may not come into play later down the road 
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Additional
Stranger
Registered: 04/18/24
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Quote:
resincoatedlungs said:
Hm, kinda late here but in personal experience, this combination works:
- Sticky traps for flying adults
- Mosquito Dunks for larvae
- ~½" - ¾" layer of sand on top of soil to prevent adults that fly out from getting back down into the soil to lay eggs. Once they're gone, scoop as much sand out as possible to prevent suffocation of roots.
I used the sticky trap & dunk method. Put the traps in each pot, put the dunk in my compost tea bubbler. It cut the number of gnats sharply at the end of my first grow, and I have not seen another gnat since then (1.5 years).
I have not used sand, though I did purchase a bag of diatomaceous earth that is now just sitting around.
Currently starting a bunch of outdoor plants in the tent, though, so things may change.
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Learyfan
The new guy
Registered: 04/20/08
Posts: 135
Last seen: 6 hours, 44 minutes
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Re: How do I rid of Fungus gnats. [Re: NotE]
#866217 - 04/20/24 09:45 AM (6 months, 8 days ago) |
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I'm no expert, but I was able to stave them off by putting the sticky traps in right away. They never even got a hold on the place.
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brainsOplenty
ganja farmer
Registered: 05/14/11
Posts: 769
Loc: zion
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Re: How do I rid of Fungus gnats. [Re: NotE]
#868925 - 09/15/24 06:58 AM (1 month, 15 days ago) |
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I use fabric pots in my grow tent. I just let the top of the soil dry out. I cover the top of the soil with DE and feed(water) from the bottom. Gets rid of them on the quick. And there are no Chems involved.
--------------------
it's written right here.
it's absolutely clear.
the ganja herb is the healing of the nation.
 
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brainsOplenty
ganja farmer
Registered: 05/14/11
Posts: 769
Loc: zion
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Re: How do I rid of Fungus gnats. [Re: NotE]
#868926 - 09/15/24 06:59 AM (1 month, 15 days ago) |
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I also dress all my houseplants with DE. Keeps soil pests away
--------------------
it's written right here.
it's absolutely clear.
the ganja herb is the healing of the nation.
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Deadkndys420
Registered: 08/28/12
Posts: 8,703
Loc: █████
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Re: How do I rid of Fungus gnats. [Re: NotE]
#868934 - 09/15/24 12:49 PM (1 month, 14 days ago) |
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The easiest way I found is to pasturize whatever soil you're using. Adding boiling water is not good and kills beneficial microbes. So getting water to around 115°f - 125°f should be hot enough to kill the eggs and not anything else beneficial. Per google eggs die at 115°f
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brainsOplenty
ganja farmer
Registered: 05/14/11
Posts: 769
Loc: zion
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Re: How do I rid of Fungus gnats. [Re: Deadkndys420]
#868936 - 09/15/24 03:56 PM (1 month, 14 days ago) |
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Quote:
Deadkndys420 said:
The easiest way I found is to pasturize whatever soil you're using. Adding boiling water is not good and kills beneficial microbes. So getting water to around 115°f - 125°f should be hot enough to kill the eggs and not anything else beneficial. Per google eggs die at 115°f
Prevention is the best method, no doubt. But that’s not the case here
--------------------
it's written right here.
it's absolutely clear.
the ganja herb is the healing of the nation.
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SC2
Stranger
Registered: 02/16/22
Posts: 18
Last seen: 16 hours, 58 minutes
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Re: How do I rid of Fungus gnats. [Re: NotE]
#869397 - 10/30/24 10:03 AM (1 day, 50 minutes ago) |
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I used to get overwhelmed by them. Simple solution is to use “mosquito bits”, when planting add about 1-2” of soil, then sprinkle the bits. Fill remaining soil until 1-2” from top, sprinkle more bits, add remaining soil. No more gnats.
Been oil sprayed on surface or spray hydrogen peroxide on surface will kill existing gnats. Also the yellow sticky traps will reduce them.
Best choice is the bits, you will not get any gnats to begin with
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