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GNATs! I grow hydro because I hate bugs. Help a bro out

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GNATs! I grow hydro because I hate bugs. Help a bro out

bongboy8200 4 Replies 868 Views
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bongboy8200

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3 plants 5-6week. 1 auto went to flower she’s at 3-4 weeks in flower the other 2 photos vegging.

Saw one little gnat the other day. Then 2 the day after. This morning 3-5 so not a coincidence. My roots look cleanish. Stained from nutes but not seeing the fungus build up. Put fly paper in the tent. I germ then go to rapid rooters. Could the larva be in the rapid rooters and that’s why I’m not seeing it yet?

What to do? I run Bennie’s not sterile. But H2O2 on hand. I just did res change and really don’t want too.

H2o2 5ml/gal h2o? Into the res? Hose the roots down? Poor 5ml/1gal solution over the clay so it hits the rapid rooters.
 

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Double edge sword in hydro you have zero defense of bugs. I use bugs to kill bugs. In the organic world beneficial nematodes and predator mites would be your solution.
 
yellow stickers at the edges will sort this amount out 😉
 
Maybe they aren’t gnats. They are super tiny. Like the heads of a pin and don’t really fly
 
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