Grey/brown growth tips

The^Dude

I grow soil ecosystems that grow plants for me.
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Hey guys, it’s almost like the plants started to flower just barely and then revegged, which is a possibility. Just some of the growth tips are acting this way. Stacking a bit, looking a little pale, the larger fan leaves (just near the tips) are curling up slightly at the edges, and there’s a bit of brown in the new growth. I haven’t seen this before, but I’m guessing again they are revegging.
3 plants affected, just portions of them, noticed it a week ago, most areas affected are grouped together.
watered daily via blusoak.
living organic soil, performing perfectly everywhere else.
Days are about 15 hours right now, but there’s a stand of trees that blocks direct light til 10am.
Temps get hot, but may not break into the 90s often since both fans are running and both sides of the tunnel are open.
I was running lights that would come on briefly through the night to interrupt flowering, but those were shut off at the beginning of June.
Otherwise plants are vigorous and seem healthy. Just tied them down before this pic.
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Looks like sunburn, but I'm no expert. Do the affected tops touch the side of the tunnel? I'd say sunburn...
 
The affected tops are actually on far side that is not pictured, and most are lower on the plant. A few are higher, but many are low. That is the side that gets more sun I suppose, could be. I’ll try some spf 50 XD. But seriously, if that’s all it is that’s fine, those spots will probably all get cut off anyway during the final trim. Thanks bud
 
I just took another look, are those insects on the quilted tacoed leaves?
 
I just took another look, are those insects on the quilted tacoed leaves?
Microscope shows young thrips. Neem oil didn’t knock em down, I can reapply again in a couple days but seems pretty aggressive for just thrips. Help @Waira
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I think there’s still a likelihood of this being a really early reveg, that I shut the supplementary lights off just a wee bit early
 
I would use Spinosad.
 
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