Fungus gnats organic grow help

[guy6969]

my plants are a little over a month old and are getting chomped by fungus gnats. I have recently tried spraying with soapy water and coating soil with cinnamon. Still have these buggers flying around. I see a lot saying to water with hydrogen peroxide water mixture but I have also read that will wipe out all microbes in my organic grow. Want to hear some opinions on that and if there are some other ideas I should try to get rid of these things quick I also put a apple cider vinegar w soap trap but none of them are getting caught. They are chomping on leaves bad and I know I need to figure this out quick

 

[vostok]

stop over watering

tadpoles, snakes and gnats then leaf

good luck

 

[Kingrow1]

Gnats dont chomp leaves if i remember correctly, their life span is short and barely have the ability to suck up water let alone eat a leaf. Either you have somthing else or its just paranoia...

 

[Gary Goodson]

Let the top layer of soil dry out a little. Or you can use about an inch layer of hydroton or perlite on the top of the soil.

 

[Flash63]

If you have fungas gnats use nematodes...but gnats do not damage the leaves whatsoever...all damage is done by their larvae eating your roots.http://www.naturalinsectcontrol.com/productimageszoom/000000557.jpg

 

[guy6969]

Well I definitely have gnats... but my leaves are getting eaten badly from the tips of leaves back I wish it would let me upload a picture but it's not right now. Mainly on new growth. Any idea what this is??

 

[guy6969]

I haven't been over watering though I let days go by without watering and make sure the first 2 inches are dry dry dry but still they are there. But if gnats don't bite leaves I need to figure out what other problem I am having

 

[vostok]

Cold Pressed Neem Oil is your friend

its good for molds, bugs is organic and systemic

good luck

 

[chemphlegm]

get some yellow sticky traps, they help you keep an eye on pest populations/species and will eliminate them often.
apply your spray to the soil tops/plant containers, drip trays daily till gone. walk through your space, clean up some, vacuum flying bugs, hang some yellow strips from the ceiling too, maybe one in each plant pot, you'll find their base, and wipe them out with one sprayed/misted application of any cooking oil, mixed with soap and water. keep fresh strips out to nip outbreaks in the bud next time.
they do most of their damage to new roots, like clones and seedling. but they stick in buds and look like shit.

 

[Bugeye]

Put some BT in your next watering (product like Mosquito Bits, Mosquito Dunks). Or you can run some HotShot (slow release Dichlorvos) and not have problems with most pests. Probably doesn't qualify as organic but has very short half life and will not be on your final product.

 

[Bareback]

Check out growweedeasy.com plant problems . I just read a whole bunch of stuff while I was waiting on RIU to come back. There is a butt load of information .

 

[guy6969]

Cold Pressed Neem Oil is your friend

its good for molds, bugs is organic and systemic

good luck

All I could find is bon neem in the store so I have some of that but have been afraid to use it it has for ingredients .02% pyrethins .20% piperonyl butoxide technical and .90% clarified hydrophobic extract of neem oil and "other ingredients" 98.88%

Is this safe to use

 

[chemphlegm]

way safer than hanging a Hot Shot strip in your medical garden I think

 

[zeddd]

Dr zymes

 

[Jubilant]

Diatomaceous Earth (FOOD GRADE) destroys them and won't hurt your microbiology even a little. (It's even used as a soil conditioner by some for it's water retention and micro nutrient levels) Make sure to let the top of your medium dry out between watering and just mix the D.E. into the top 1/4" or so. Life cycle is about 10-14 days for these guys so if you can keep the top dry and D.E. laden the larvae will die by the D.E and the adults will all die without being able to breed. When ever I get new EWC from the store I get new fungus gnat and I just do this and continually foliar spray with just water to assure the plants are getting some water in this time. Never had it not work.

 

[Wavels]

I use DE in combination with sticky tape fly traps.
As mentioned above...never fails.

http://www.target.com/p/victor-fly-magnet-4-pack-ribbon-safer-brand/-/A-50971001?ref=tgt_adv_XS000000&AFID=google_pla_df&CPNG=PLA_Patio+Garden+Shopping&adgroup=SC_Patio+Garden&LID=700000001170770pgs&network=g&device=m&location=9011935&gclid=Cj0KEQiA5vXEBRChycOl36LPn5EBEiQAJV2-bBDvfyIRR_bXtI7B7EE90Jn-g5jnSX_4ATgJtxxcug4aAsWX8P8HAQ&gclsrc=aw.ds

 

[Richard Drysift]

DE on top layer of soil and sticky traps for the win. Let your soil dry out more and mulch the top layer in combo with the DE. Adding neem seed meal as a soil amendment when you recycle your soil will prevent pests.

 

[BobCajun]

The dunks combined with the stickies keeps them way down. Never actually wipes em out but makes em manageable. Or maybe I just didn't apply the dunks often enough. Damn near wiped em out though. I just break off a little piece of dunk and crumble and mix it into the nutrient solution before watering with it.

 

[Kingrow1]

Off the many ways off killing or riding yourself of gnats i just live with them. Adults are harmless and larvae rarely get but an inch into soil. My inline deals with population growth and even when i have taken the effort to rid myself of them they come back far too easily. They stick to clothes, hair, come through any gap in the house, with fruit, soil and the list goes on.

The best you can hope for is a grow environment that dosent aid their growth. Windy, dry, fast sucking inline fans, dont overwater, let top layer dry etc etc...

 

[Budley Doright]

They drove me to hydro indoors and haven't looked back. God damn things drive me nuts. I think OP better look at other pests if the leaves are being eaten though, never had that !