What is this deficiency?

newguy123

Well-Known Member
I have 4 that plants in dwc that are 1 week old under 300W of cob vero 29 3000k that are dimmed to around 40%

what are those? I have white blIMG_1498_LI.jpg IMG_1499.JPG IMG_1500.JPG bleach-like spots and a large brown spot that we can't really see on the picture
 
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