She is dying, pale young leaves and their dark tip wrinkles

No diary = no information. My guess is that you are overwatering her (crinkled leaves) and have probably got some nitrogen toxicity going on here... but without a diary, I can't be sure... If you suspected a cal/mag deficiency, you would need to figure out WHY it occured to be able to fix it.... that deficiency usually results from overfeeding nitrogen causing a lockout or a pH that is not in the proper range - it is rarely a result of not having enough calcium or magnesium in the nute solution unless you're making up your own nutes.... Since your pH is at the lowest possible reading for calcium/magnesium absorbtion in soil, I would check your meter if you use one... recalibrate it frequently... make sure it's working properly... and I would bring the pH up to 6.2... if it dips below 6.0, the plant can't get at those nutes even if you throw a whole bottle at it.... Start a diary... fill in as much information for as many weeks back as you can (even 1 week will be better than nothing!).... diaries help us to help you when problems/concerns crop up.. Good luck...

Throw it in the trash, an auto with so many lost days won't be worth anything, it looks like it's stalled.

Your nutrition has been too strong. Which has caused the ph to likely be off. If in soil you want about a 6.5 ph. Measure the ph of run off to see what soil ph is.

It could be many things wrong Starting with too rich soil Posible wind damage or too intense wind Too low humidity with high temps Even bad watering regime ... Bad ph ??? But her youngest grow is healthy kind off, so nothing is lost. Make sure all above is not about you and that plant should thrive !!!