Rapid leaf death/curling what do.

What's going on folks,

It's my first grow and I've been doing nothing but suffering since j flipped my ladies to 12/12, I seem to be having some issues I can't quite put my finger on and I'm afraid my harvest will be shit. I've attached a few photos of what's going on. I've done my fair share of googling but no pictures seem to quite define what I'm seeing. Thanks for the help in advance!

How often are you watering? Imo it looks like they are being over watered.

MA MED Grower said:

How often are you watering? Imo it looks like they are being over watered.

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Hey brother thanks for the reply. Watered them yesterday. but other than that i feel as if i was UNDER watering them because they got to bone dry a few times, enough to make the leaves begin to droop. but lucky they perked back up. BUT i did add calimagic to my water when i watered, perhaps i overdid it? Maybe a good flush with floraKleen?

Bump