It looks like a bad case of nutrient burn, the damaged leaves are lost but you can prevent the spread by flushing with ph'd water until you get runoff.
How big are the pots that you're in? What's the medium? What are you feeding her and when was she last fed?
Can you take some pictures without your hid on please.
Im feeding maxibloom every other watering and i water every other day i havnt fed her this week just water cause thats what i thought but it dosnt seem like its helping
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