The leaves do look like calcium deficiency…
To second Hydro-420, what do your roots look like? Are you running a sterile res? What are you using at what dosage to sterilize? if not are you using beneficial bacteria? Basically, If the roots are brown and smell bad, that’d be your issue for sure. If they have a spicy smell you’re likely good there.
If the roots are good, what are your ppm’s doing daily? Going down? Going up? If they’re going up and the PH is going down, its either too hot for the plant or its totally out of balance, regardless, she’s not eating. If they’re going down WITH the PH dropping, she’s at least eating.