I need help can someone tell me what this is

Can you post pics without the purple lights, it’ll be easier to see the leaves.
Thanks :+1::facepunch:t2:

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Looks like Nitrogen toxicity to me, how old are the plants? What are you feeding them? Could possibly be overwatering…More details about your environment etc. would really help. I see your tips turning up and that looks like overfeeding to me. But still more info would be great.

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Thanks it was to much nitrogen toxicity of flush them and then I just put some manure in the pots with them and just been hitting them with straight water and this is the result