Nice grow jats. Those are some big girls.
I'm a RTW coco grower and I love the stuff.
I have used the auto pots as well, but with perlite and with good results.
Check out OziMagic organic products. They compliment the coco wonderfully & are available locally.
IMHO coco works best as a run to waste medium.
Many small automated feeding throughout the day rather than 1 or 2 big feeds.
This way the coco maintains the optimum moisture to oxygen ratio.
Supercropping is a little bit different to dropping a power strip on your plant.
You should be able to splint the main stem and wrap firmly.
Carefully cut the tape or whatever off after a week or so and see what happens.
Not T5's but awesome lights. Just bought 2 of these for clone/vege.
PowerPlant - Professional Horticultural Lighting - Product Information - 110w Sun Mate Propagate Light