girl scout cookies yellowing of new growth please help!!!!

yellowing of the new growth is something thats been getting worse for the last 3 days please look at pictures and let
me know your thoughts
ph is 5,8 nutrients are at 680ppm two 400 watt lights temp 74-77 humidity 45-50% clones are in coco
maybe its to bright for how small the roots are and the
lights are telling the plant to grow and the roots are having trouble keeping up with the nutrient demands for growth?
the clones had roots coming out the bottom not a lot of roots but they had a few they were rooted in a small rock wool cubes

Can't tell cuz your pictures are all yellow. Try taking pics with the HPS off and I'm sure someone here can help. Looks like you may have PM from one of the pics though. TBH those don't look like any GSC that I have seen. Where did you get them?

How close is your lights?... clones don't need much light when they are small and sensitive

Only a guess because that HPS makes everything look yellow

I would say that for the size of those plants, your PPM looks to be extremely high! I don't get much over that in my UC setup in full bloom, never mind little clones! I pushed mine to 400PPM and the plants are much larger than yours, and I got nute burn!

Soupsah said:

Can't tell cuz your pictures are all yellow. Try taking pics with the HPS off and I'm sure someone here can help. Looks like you may have PM from one of the pics though. TBH those don't look like any GSC that I have seen. Where did you get them?

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why doesnt my strain look like girl scout cookies? what do GSC normally look like?

concentrate101 said:

why doesnt my strain look like girl scout cookies? what do GSC normally look like?

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Here's a link about GSC. You'll see my post were I got fakes as well so don't feel bad. GSC petiole is noticably long and yours doesn't look long at all. https://www.rollitup.org/california-patients/514236-girl-scout-cookies.html