So I'm growing same plant which is 2 cuttings from plant B.
Feeds are 1.3ec of A&B and sicilic acid and they are under blue spectrum 250mh bulb turned on 24/7 atmo.
Running with exact same coco Ive just the ripped out the main root ball, broke rest up to loosen it and soaked overnight in 4ml of calmag @ph5.8 to re-buffer the stuff.
Plants have been topped a few times now so fingers crossed and hopefully i should do ok with these.
Cheers guys.