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Leaf curling after Nuke Em spray

Hi Guys,

So I have about 30 small clones in a 8x8 tent. On Tuesday I flushed with a mild nute solution due to excessive runoff ec to get things back in line.

The next day they were praying and looking pretty happy. However I noticed a few pests crawling around on the underside of the leaves so I decided to spray them with a regular strength dose of Flying Skull "Nuke Em"

Today when I checked on them they were not so happy looking. About 20 percent of them had new growth leaves that were curling down "Rams Horn" look to them. I did spray them when the light was on and was wondering if that could be the issue.

I'm only running one 315cmh until they are bigger. I have a feeling I have a few different issues going on with these plants and am trying to narrow down what it is.

My rooms are 75 degrees RH 55-60 (today RH was 65) I have plenty of air circulation. I did notice RH "high" for 24 hrs was 80% So I'll be putting a dehumidifier in there tomorrow for the night cycles.

I water and feed every other day. Can anyone tell any obvious problems with these little guys?? I know I have some nute burn I just don't know why. Ive been feeding them with the "light" feeding chart from Canna with plenty of runoff.
 

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