I see u have calcium in ur feed.. I think u need to add iron and magnesium.if u are not already lol .and try watering longer between feeds..then go down check list.. Temperature chk.. humidity chk..ph chk on feed...wind movement chk...if all above chk ...then chk ur nutrients mix it might be to strong for the size roots.. U might need to flush her with ph. Filtered water let her re cuope