Is this the start of nutrient burn again

Hello guys. I popped a few more seeds to test some soil. This time I did 100% coco in solo cups. Then transplanted them to a small pot. They are in week 23and we’re looking great. Today I wake up and they look like they are getting burn. Wanted to make sure though. In the pot I put a small amount of fox farms ocean about 15% then the rest coco perlite mix. I have not given any nutrients so far. Looks like the roots just hit the fox farms.

Couple more pictures? Full plant? Base leaves? I am sure someone up here will see the problem with good pics.

Yeah more pics please, you might have got leaves wet and that what u r seeing ? Maybe ?

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  1. Indoor or outdoor - size of grow, tent, toom
  2. Origin of water.
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This is what I’m seeing. Yesterday these spots were not there. They developed overnight or they were there and hardly noticeable. I went ahead and flushed with distilled water. The run off had a ph of 6.3 and ppm of 375.

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your leaves are starting to canoe as well. either your lights are too close or too strong. you can see your leaves are getting crispy.

Are you using cal/mag at all cause u may want to give a small dose of cal/mag next watering

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