Leaves turning yellow after flushing, please help!

Ok so here's a little back story to help. My plant had burnt tips and the leaves were curling down so I cut back on the nutrients which resulted in the plant turning lighter green and wilting, so I slightly raised nute levels and once again had burnt tips with edges burnt as well. I tried a flush with ph balanced tap water and now the next day a handful of leaves have turned yellow and died! I just got my PPM meter in the mail today and already bought distilled water (in case I have mineral build up in my soil) Can someone please help me out!
Oh and before I flushed it yesterday I had noticed the glossy leaves, and today that looks a lot better. Idk if that means anything!

Feed them Nitrogen

Looks like your light has burnt a few of them too

max316420 said:

Looks like your light has burnt a few of them too

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most certainly, and i dont really see a problem other then that...looks pretty healthy dude good job.

the lighter coloration is just newer growth...a N def. will usually start at the bottom, and will be noticeably yellow.

Yes they look pretty good. I would resume regular feeding or you will eventually run into a def. Are they starting to flower?

actually...NO MORE NUTES!! do you see how the leaves are starting to curl downward? early stages of " nitrogen claw" when did you flush? give it a few days, between flushing...but i'd flush again if it doesnt improve within that time frame.

Yea I did give them a foliar feed once a few days ago maybe that was why, I'm a first time grower so it's really hard to figure out what's going on thank you guys a lot! I'm not flowering yet, I had an issue with spider mites and I'm still trying to get rid of the last few.

One more question, does the run off PPM matter? I flushed it almost 2 days ago but it wasn't distilled water I think that was my mistake.