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Old 05-22-2016, 06:28 PM #11
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https://www.forestrydistributing.com/...de-omri-listed

Gnatrol WDG, yellow sticky traps. Use both regulary and with a little patience your gnat free. Idk why people mess with anything else.

If you believe they are laying dormant in your compressed brick, add it to your final flush water when rehydrating your brick.
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Old 05-22-2016, 06:34 PM #12
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Quote:
Originally Posted by justanotherbozo View Post
if you're growing in a confined space, say a tent or a cab, then all you need is a few yellow sticky traps and a bit of patience to rid yourself of gnats, easy peasy.

...it's the larvae that are the problem feasting on your roots so if you have a bunch of fliers in your veg tent then they are laying eggs in your coco that are happily munching on your roots until they develop and morph into the fliers who don't have a mouth so are not a threat, just a nuisance, ...except that they are the egg layers.

...a few yellow sticky traps in your space and you start taking out the fliers and within a couple weeks your gnat problem should be a thing of the past, no boiling water, no re-innoculation, just a few sticky traps.

...you could also put a 1inch layer of hydroton or grorocks or gravel on the top of your pots and deny the fliers a place to lay their eggs, if they can't reach the top of the medium they can't lay their eggs.

a key part of your strategy with any pest should be a study of the lifecycle of that pest so you can figure out a way to interrupt that cycle.

peace, bozo

I stopped using coco because of the ggoddammedggnats. this sounds like it might just do that ... "stop the life cycle". Good tipski. Cheap too.
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Old 05-22-2016, 06:46 PM #13
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I got a 8 quart bag of MG perlite with gnat eggs in it! ...hempy buckets, rule!
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Old 05-22-2016, 07:25 PM #14
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hydrate with 5ml per gallon SM90 and 10ml Cal Mag
no more bugs
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Old 05-22-2016, 10:43 PM #15
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Quote:
Originally Posted by caljim View Post
https://www.forestrydistributing.com/...de-omri-listed

Gnatrol WDG, yellow sticky traps. Use both regulary and with a little patience your gnat free. Idk why people mess with anything else.

If you believe they are laying dormant in your compressed brick, add it to your final flush water when rehydrating your brick.
The problem ive found with this is that gnatrol only kills larvae at a specific stage in the life cycle that lasts about a day, and they stay larvae for 30 days before maturing and laying eggs for a few days, so you have to use gnattol every day for a month in coco daily feeding to even have a chance at breaking the life cycle, and thats not counting that there are bti resistant gnats because of monsanto corn stock that produces bti to try to keep corn borers off. Nothing is immune to boiling water, its cheap and kills all life cycles instantly. Works on aphids and thrips that might be hiding in there also, where as sm90 and gnatrol wont
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Old 05-22-2016, 11:34 PM #16
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The gnatrol web site shows a 14 day effective period, from the larval hatch to the pupa stage.

Has always worked well here, but to each their own methods. Can't really knock it, when it works for you.

https://rinconvitova.com/bulletins_pr...natrol_BUL.htm

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Old 05-22-2016, 11:40 PM #17
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This is great info. Thanks for sharing
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Old 05-23-2016, 12:42 AM #18
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The problem with stickys is the adult stage is a few days and the larval stage is much longer, and adults lay so many larvae if you have a few fliers your soil is full of larvae and the larvae are the only stage that damages the plants. The sand layer can slow em down but ive heard and had mixed results, and found it slowed my wet/dry cycle in my coco up too much for the multifeed. Ive found the heat gets rid of em instantly, and cheap strong h202 drenches make sure they stay gone
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Old 07-09-2016, 12:55 AM #19
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Had the Problem With very cheap Coco bricks. I just expanded Them With lots of boiling water. Kills all dormant eggs. Then Fluh with ph'ed water AT 6ph. Also you might want to add neemoil with early waterings just in case
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Old 11-08-2016, 04:51 AM #20
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Im gonna try this, its getting out of hand.
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