Mutation or some kind of deficiency?

Never grow at 24/0.......18/6 is optimal. ALL cannabis plants NEED "sleep".

Nitrogen toxicity

Can’t see much under those orange lamps but my advice is check all your parameters like temp, humidity , light distance etc. Calibrate your ph pen. It could be that your light is too strong or it’s heating up your grow space too much . Maybe a bigger pot than 3.5l . An update on one of your previous questions about getting a sponsor I listed a lot of what I have had luck with but today I received some more from divine seeds for their competition. I received: 3x auto overdose 3x auto white widow 3x auto big demon 3x northern light 6 x opium And some stickers