Need some help with sour d

A friend gave me a beautiful mother of sour d and a bunch of clones. The mother is in some soil mix. The clones have taken root and are running in cap ebb and gro threw hydroton, they are a month old. I'm running GH floral at 700ppm/ph 5.6ish water temp 68-70, canopy 70-75 rh 35 under 4/600watt. I flood every 4 hrs/ 15 min. Flush the rez weekly. The mother is under T5 and her foliage is deep green and soft/flexible to touch. Now the girls are not so pretty, not as deep green and a little crispy. The soil is giving the mother her needs well ,so whats missing with the girls. Any help out would be much appreciated, thanks
 
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