last 2 photos 4&5 show a magnesium def. light green and darker @ the viens
photo 5 shows the leaf margins curled upwards........ classic Mag def. signs

the curling downwards maybe from all the watering? fix the Mg first and we shall see

1 tabelspoon epsom salts to a gal of water, however they have had quite a bit of water lately so foliar spray the mixture on both top and bottom sides of leaves, if you see any difference within 48 go ahead and give them a drink with the remainder of the mix